NSWPublicResults < AtlasPublic

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---+ Introduction

The plots shown below have been approved by the *NSW Project* and may be shown by ATLAS speakers at conferences. *Do not add plots on your own* but contact the NSW project leader to arrange a plot approval.

---++ Plot Approval Procedure

Plots and data concerning NSW detector performance, *including test beam and/or module-0 results*,  can only be shown publicly if approved. Plots/results are approved by the NSW project leader after a discussion in the NSW Steering Group. Before requesting the approval of a plot, it should be presented, discussed and agreed on in the appropriate community, eg using the <noup>MicroMegas or sTGC Weekly meetings. %BR%

The official plot approval procedure is in place since October 2014, it was defined together with and endorsed by the Muon IB in its session on October 16 2014.

---+ Technical Design Report

[[https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/UPGRADE/CERN-LHCC-2013-006/index.html][Here]] is the Technical Design Report from 2013. The link also provides access to the individual figures of the TDR.

---+ Conference Contributions

[[https://atlas-speakers-committee.web.cern.ch/atlas-speakers-committee/MuonSystem/ConfTalks.html][Here]] is a list of Muon System talks given at conferences.

[[ListOfTalks][Here]] is a list of NSW, sTGC and MM talks given at conferences.

---+ <noup>MicroMegas Results and Plots
---++ MM Chamber Construction
---+++ Public Talks at conferences
---+++ Public Plots

---++ MM Performance
---+++ Public Talks at conferences
---+++ Public Plots

<table bgcolor="#f5f5fa" border="1" cellpadding="10" cellspacing="10" style="width: 100%;"> <tbody> 

<tr> <td bgcolor="#eeeeee">  In the following, performance studies of Micromegas detectors performed with test-beams on several small (10x10 cm<sup>2</sup>) / medium(1x0.5 m<sup>2</sup>) size resistive chambers will be reported. %BR%
In particular the chambers that will be referred to are:%BR%
   * *Tmm* type bulk resistive MM(Tmm2,..., 6) with 10 cm x10 cm active area, with strips 150 &mu;m wide and with a pitch of 250 &mu;m. The resistive strips follow the readout strips geometry with resistivity 40 MOhm/cm. The woven stainless steel mesh structure has a wire diameter of 18 &mu;m and is segmented in 400 lines/inch corresponding to a mesh pitch of &approx 63.5 &mu;m. The support pillars have a diameter of 300 &mu;m with a pitch of 2.5 mm.
   * *Tmb* similar to Tmm type. The support pillars have a diameter of 500 &mu;m with a pitch of 5 mm.
   * *T* type bulk resistive MM (T1,..., T8) with 10 cm x 10 cm active area, readout strips 300 &mu;m wide with 400 &mu;m pitch. The resistive strips follow the readout strips geometry with resistivity 20 MOhm/cm. The woven stainless steel mesh structure has a wire diameter of 18 &mu;m and is segmented in 400 lines/inch corresponding to a mesh pitch of 63.5&mu;m. The drift electrode had also a mesh structure with a density of 325 lines/inch (wires of 30 &mu;m diameter with a pitch of 80 &mu;m).
   * *TQF* chamber similar to T type but with four areas of different resistive strip pattern with respect to the readout strips (normal, half pitch offset, -1 degree and +2 degrees rotation). The resistivity is a bit lower than the T 10 MOhm/cm
   * *MMSW* (MM for the Small Wheel): the first 4-layers prototype, 1 m x 0.5 m, in a configuration similar to that of the MM for the NSW. It has two planes with parallel strips (precision) and two planes with (stereo) strips rotated by (+/-) 1.5 degrees with respect to the precision ones for second coordinate measurement. The strip pitch is 415 &mu;m and it has a "floating mesh" as opposed to the bulk technique. The mesh structure has a wire diameter of 30 &mu;m and a pitch of 80 &mu;m.  The resistivity used in the resistive strips is 10 MOhm/cm.%BR%

All chambers have a 5 mm drift gap and a 128 &mu;m amplification gap. 
When not explicitly specified the chambers were operated with a gas mixture of Ar+7%CO<sub>2</sub>, a drift electrical field of 600 V/cm and an amplification HV in the range 540-580 V corresponding to a gain roughly 10000.  The chambers are always readout with APV25 chips connected to the SRS system.

 </td> <td align="center"><img alt="H6_hd.jpg" src="%ATTACHURL%/H6_hd.jpg" width="600" /></td> </tr>

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<tr> <td bgcolor="#eeeeee"> *Fig. 1:* *Integrated charge for one APV channel for a single event* %BR% 
Typical integrated charge from one MicroMegas strip readout with the APV25 hybrid
cards (through the Scalable Readout System) operated at 40 MHz with 27 samples.
A fit with a Fermi-Dirac function with an additional baseline is performed to determine
the strip-hit time, which is defined as the inflection point of the fitted function.
Strip-hit charge is measured in the anlayses from the maximum of this distribution or
from the plateau of the FD function, in both cases subtracting the fitted baseline.%BR%

[[%ATTACHURL%/apv.pdf][pdf1]]%BR%
[[%ATTACHURL%/apv_function.pdf][pdf2]]

</td> <td align="center"><img alt="apv.png" src="%ATTACHURL%/apv.png" width="400" /> </td> <td align="center"> <img alt="apv_function.png" src="%ATTACHURL%/apv_function.png" width="400" /></td> </tr>

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<table bgcolor="#f5f5fa" border="1" cellpadding="10" cellspacing="10" style="width: 100%;"> <tbody> 


<tr> <td bgcolor="#eeeeee"> *Fig. 2:* *Event display (&mu;TPC and Centroid)* %BR% 
Display of an event acquired with chamber
T4 on particles with a 30 degrees inclination
during a test beam at H4. (Bottom)
charge read by each of the strips. (Top)
reconstructed centroid and &mu;TPC track.%BR%

[[%ATTACHURL%/display3.pdf][pdf]]%BR%

</td> <td align="center"><img alt="display3.png" src="%ATTACHURL%/display3.png" width="400" /></td> </tr>

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<table bgcolor="#f5f5fa" border="1" cellpadding="10" cellspacing="10" style="width: 100%;"> <tbody> 


<tr> <td bgcolor="#eeeeee"> *Fig. 3:* *Efficiency map* %BR% 2D hit reconstruction in a Tmm chamber during a high statistics run. For this study the chamber was kept perpendicular to the beam axis. The hit position in both X and Y readouts is calculated using the centroid method and only events with a single cluster per readout (perpendicular tracks) are used. The inefficient spots appearing every 2.5 mm, corresponding to the pillar structure supporting the mesh of the chamber, are visible. Four different representations of the same plot are shown. %BR%
The measurements were performed with  a Tmm type MM bulk resistive chamber operated with  an amplification voltage of HV<sub>amp</sub> = 540 V.  The data were acquired during PS/T9  with a 10 GeV/c &pi;<sup>+</sup>/p beam.%BR%

[[%ATTACHURL%/tmm2_pillars_colz3.pdf][pdf1]]%BR%
[[%ATTACHURL%/tmm2_pillars_colz.pdf][pdf2]]
 
</td> <td align="center"><img alt="tmm2_pillars_colz3.png" src="%ATTACHURL%/tmm2_pillars_colz3.png" width="400" /> <td align="center"><img alt="tmm2_pillars_colz.png" src="%ATTACHURL%/tmm2_pillars_colz.png" width="400" />  </td>  </tr>

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<tr> <td bgcolor="#eeeeee"> *Fig. 4:* *Efficiency map* %BR% 
Hit reconstruction efficiency as a function of the extrapolated reference track hit position for a 2D readout chamber of Tmm type. The reference track is reconstructed from 3 Tmm chambers and is then extrapolated to the fourth Tmm under study. Left column corresponds to X and right column corresponds to Y.%BR%

The first row shows the efficiency for an irradiated area 20 mm wide. The efficiency dips 15% appearing every 2.5 mm correspond to the pillar structure supporting the mesh. The second row focuses only on selected areas on the Y readout of the chamber which are around the pillar region (bands 500&mu;m). The effect of the pillars is more severe in these regions reaching local efficiency dips of the order of 40%. By scanning only the region in between the pillars the efficiency is uniform along the readout channels and a high efficiency is measured for both layers (above 98%). The Y readout shows higher efficiency owing to the fact that it is right below the resistive strips and thus it accumulates more charge than the X layer. %BR%

The measurements were performed with  a Tmm type MM bulk resistive chamber operated with  an amplification voltage of HV<sub>amp</sub> = 540 V.  The data were acquired during PS/T9  with a 10 GeV/c &pi;<sup>+</sup>/p beam.%BR%

[[%ATTACHURL%/efficiency_tmm_pillarregions_centroid_perpendiculartracks.pdf][pdf]]

</td> <td align="center"><img alt="efficiency_tmm_pillarregions_centroid_perpendiculartracks.png" src="%ATTACHURL%/efficiency_tmm_pillarregions_centroid_perpendiculartracks.png" width="600" />  </td>  </tr>

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<table bgcolor="#f5f5fa" border="1" cellpadding="10" cellspacing="10" style="width: 100%;"> <tbody> 


<tr> <td bgcolor="#eeeeee"> *Fig. 5:* *Efficiency map* %BR% 

Hit reconstruction efficiency as a function of the extrapolated reference track hit for 2 small T type bulk resistive MM chambers namely TQF, T2. The reference track is reconstructed from 4 Tmm chambers and is then extrapolated to the chamber under study. The two plots on the left correspond to data acquried with the chambers perpendicular to the beam axis while for the two right plots the chambers were inclined by 30 degrees. In both cases the centroid method is used for the reconstruction of the hits. The efficiency dips (5%) appearing every 5 and 2.5 mm respectively correspond to the pillar structure supporting the mesh. The pitch between the pillars and their size are different for the two chambers under study as it is evident from the plots. The TQF chamber has 500 &mu;m wide pillars with a pitch of 5 mm while the T2 pillars are $300&mu;m wide with a pitch of 2.5 mm. In the case of the inclined chambers the particles traverse the chambers under an angle inducing signal in larger number of strips compared to the 0 degrees case. In this case  the efficiency is expected to be unaffected by the pillars as it is shown on the two plots corresponding to the 30 degrees case (above 99%).%BR%

The measurements were performed with T type MM bulk resistive chambers operated with an amplification voltage HV<sub>amp</sub> = 540 V. The data were acquired during PS/T10  with a 6 GeV/c &pi;<sup>+</sup>/p$ beam.%BR%

[[%ATTACHURL%/efficiency_tqf_t2_centroid_perpendiculartracks_angletext.pdf][pdf1]]%BR%
[[%ATTACHURL%/efficiency_tqf_t2_centroid_30degtracks_angletext.pdf][pdf2]]

</td> <td align="center"><img alt="efficiency_tqf_t2_centroid_perpendiculartracks_angletext.png" src="%ATTACHURL%/efficiency_tqf_t2_centroid_perpendiculartracks_angletext.png" width="800" /> %BR% <img alt="efficiency_tqf_t2_centroid_30degtracks_angletext.png" src="%ATTACHURL%/efficiency_tqf_t2_centroid_30degtracks_angletext.png" width="800" />  </td>  </tr>

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<table bgcolor="#f5f5fa" border="1" cellpadding="10" cellspacing="10" style="width: 100%;"> <tbody> 

<tr> <td bgcolor="#eeeeee"> *Fig. 6:* *Effect of the pillars on the hit reconstruction* %BR% 
Apart from the efficiency the pillar structure affects also the hit reconstruction intriducing a bias in the hits reconstructed in their region. This effect (bias) is studied using a set of three Tmm chambers to reconstruct a reference track which is then extrapolated to a fourth Tmm chamber. Chambers are kept perpendicular to the beam and the hit in each chamber is reconstructed using the centroid method. In the top plot, the residuals between the hit reconstructed in the chamber under study and the reference tracks are plotted versus the reconstructed hit position. In the bottom plot the reconstructed 2-D hit position in the same chamber is plotted. The position of the pillars is clearly visible in the bottom plot and the observed bias in the reconstructed hit position can be associasated with the position of the pillars comapring the two plots. The bias is evident in each pillar region with a maximum value 150&mu;m.%BR%

The measurements were performed with Tmm type MM bulk resistive chambers operated with an amplification voltage HV<sub>amp</sub> = 540 V. The data were acquired during PS/T9  with a 6 GeV/c &pi;<sup>+</sup>/p$ beam.%BR%

[[%ATTACHURL%/tmm_pillarseffect_centroid_perpendiculartracks_aligned.pdf][pdf]]


</td> <td align="center"><img alt="tmm_pillarseffect_centroid_perpendiculartracks_aligned.png" src="%ATTACHURL%/tmm_pillarseffect_centroid_perpendiculartracks_aligned.png" width="400" />  </td>  </tr>

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<table bgcolor="#f5f5fa" border="1" cellpadding="10" cellspacing="10" style="width: 100%;"> <tbody> 

<tr> <td bgcolor="#eeeeee"> *Fig. 7:* *Spatial resolution of precision coordinate of Tmm/Tmb chambers* %BR% 

Residual distributions from the hit position difference between a Tmm and a Tmb chamber, divided by &radic;2 (assuming similar resolution for both chambers sice the effect of the different pillar pattern is negligible), featuring a 2D readout. The left plot corresponds to the residuals of the X readouts while the right one shows the Y hit residuals. For this measurement the chambers were kept perpendicular to the beam and the hit reconstruction was done using the centroid method selecting single cluster events in both chambers. A similar performance, in terms of spatial resolution, for X and Y readouts is observed.%BR%

&sigma;<sub>core</sub> corresponds to the width of the core gaussian while &sigma;<sub>weight</sub> is the weighted average of the two gaussians %BR%
 &sigma;<sub>weight</sub><sup>2</sup>=f<sub>core</sub>&sigma;<sub>core</sub><sup>2</sup>+f<sub>tails</sub>&sigma;<sub>tails</sub><sup>2</sup>, f<sub>core,tails</sub>=p<sub>core,tails</sub>&sigma;<sub>core,tails</sub>/(p<sub>core</sub>&sigma;<sub>core</sub>+p<sub>tails</sub>&sigma;<sub>tails</sub>)%BR%

The measurements were performed with Tmm and Tmb type MM bulk resistive chambers operated with an amplification voltage HV<sub>amp</sub> = 540 V. The data were acquired during SPS/H4 testbeam with a 150 GeV/c &mu;/&pi;<sup>+</sup> beam.%BR%

[[%ATTACHURL%/spatial_resolution_tmm_tmb_x.pdf][pdf1]]%BR%
[[%ATTACHURL%/spatial_resolution_tmm_tmb_y.pdf][pdf2]]


</td> <td align="center"><img alt="spatial_resolution_tmm_tmb_x.png" src="%ATTACHURL%/spatial_resolution_tmm_tmb_x.png" width="400" /> <td align="center"><img alt="spatial_resolution_tmm_tmb_x.png" src="%ATTACHURL%/spatial_resolution_tmm_tmb_y.png" width="400" /> </td> </tr> 

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<table bgcolor="#f5f5fa" border="1" cellpadding="10" cellspacing="10" style="width: 100%;"> <tbody> 

<tr> <td bgcolor="#eeeeee"> *Fig. 8:* *Spatial resolution of the T chambers* %BR% 
Residual distributions from the hit position difference between two T type MM chambers (T2,T4) , divided by &radic;2. For this measurement the chambers were kept perpendicular to the beam and the hit reconstruction was done using the centroid method selecting single cluster events in both chambers.%BR%

&sigma;<sub>core</sub> corresponds to the width of the core gaussian while &sigma;<sub>weight</sub> is the weighted average of the two gaussians %BR%
 &sigma;<sub>weight</sub><sup>2</sup>=f<sub>core</sub>&sigma;<sub>core</sub><sup>2</sup>+f<sub>tails</sub>&sigma;<sub>tails</sub><sup>2</sup>, f<sub>core,tails</sub>=p<sub>core,tails</sub>&sigma;<sub>core,tails</sub>/(p<sub>core</sub>&sigma;<sub>core</sub>+p<sub>tails</sub>&sigma;<sub>tails</sub>)%BR%

The measurements were performed with T type MM bulk resistive chambers operated with an amplification voltage HV<sub>amp</sub> = 550 V.The data were acquired during SPS/H4 testbeam with a 150 GeV/c &mu;/&pi;<sup>+</sup> beam.%BR%

[[%ATTACHURL%/spatial_residuals_t2_t4_H4.pdf][pdf]]

</td> <td align="center"><img alt="residuals_t2_t4_H4.png" src="%ATTACHURL%/residuals_t2_t4_H4.png" width="400" /></td> </tr> 

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<table bgcolor="#f5f5fa" border="1" cellpadding="10" cellspacing="10" style="width: 100%;"> <tbody> 

<tr> <td bgcolor="#eeeeee"> *Fig. 9:* *Spatial resolution of precision coordinate of the MMSW* %BR% The MMSW is the Micromegas Quadruplet Prototype. Residuals between the first and the second layer of the MMSW, both with strips 
measuring the precision coordinate, divided by &radic;2 (assuming similar resolution for both layers). %BR%

&sigma;<sub>core</sub> corresponds to the width of the core gaussian while &sigma;<sub>weight</sub> is the weighted average of the two gaussians %BR%
 &sigma;<sub>weight</sub><sup>2</sup>=f<sub>core</sub>&sigma;<sub>core</sub><sup>2</sup>+f<sub>tails</sub>&sigma;<sub>tails</sub><sup>2</sup>, f<sub>core,tails</sub>=p<sub>core,tails</sub>&sigma;<sub>core,tails</sub>/(p<sub>core</sub>&sigma;<sub>core</sub>+p<sub>tails</sub>&sigma;<sub>tails</sub>)%BR%

The measurements were performed with the MMSW quadruplet operated with an amplification voltage $HV<sub>amp</sub> = 580 V. The data were acquired during PS/T9  with a 6 GeV/c &pi;<sup>+</sup>/p$ beam.%BR%

[[%ATTACHURL%/spatial_resolution_mmsw1_layer1layer2.pdf][pdf]]


</td>
 

<td align="center"><img alt="spatial_resolution_mmsw1_layer1layer2.png" src="%ATTACHURL%/spatial_resolution_mmsw1_layer1layer2.png" width="400" /></td> </tr> 

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<table bgcolor="#f5f5fa" border="1" cellpadding="10" cellspacing="10" style="width: 100%;"> <tbody> 


<tr> <td bgcolor="#eeeeee"> *Fig. 10:* *Spatial resolution of precision coordinate of the MMSW* %BR% 
Left: Residuals between the  second and the combination of the two stereo readout layers. 
Right: Residuals between the  first and the combination of the two stereo readout layers. 
The residuals are divided by &radic;1.5 (assuming similar resolution for all 3 layers) because the second hit is reconstructed by combining the two stereo layers (T.Alexopoulos et al., ATL-MUON-INT-2014-005}).\\
The observed degradation of the measured spatial resolution is mainly owing to the multiple scattering in the material between the layers under study and thus is proportional to the distance separating them (L<sub>1,2</sub><L<sub>2,34</sub><L<sub>1,34</sub>). The worse resolution measured compared to the Tmm case is mainly attributed to the different strip pitch.%BR%

&sigma;<sub>core</sub> corresponds to the width of the core gaussian while &sigma;<sub>weight</sub> is the weighted average of the two gaussians %BR%
 &sigma;<sub>weight</sub><sup>2</sup>=f<sub>core</sub>&sigma;<sub>core</sub><sup>2</sup>+f<sub>tails</sub>&sigma;<sub>tails</sub><sup>2</sup>, f<sub>core,tails</sub>=p<sub>core,tails</sub>&sigma;<sub>core,tails</sub>/(p<sub>core</sub>&sigma;<sub>core</sub>+p<sub>tails</sub>&sigma;<sub>tails</sub>)%BR%

The measurements were performed with the MMSW quadruplet operated with an amplification voltage $HV<sub>amp</sub> = 580 V. The data were acquired during PS/T9  with a 6 GeV/c &pi;<sup>+</sup>/p$ beam.%BR%

[[%ATTACHURL%/spatial_resolution_mmsw1_layer2layer34.pdf][pdf1]]%BR%
[[%ATTACHURL%/spatial_resolution_mmsw1_layer1layer34.pdf][pdf2]]


</td> <td align="center"><img alt="spatial_resolution_mmsw1_layer2layer34.png" src="%ATTACHURL%/spatial_resolution_mmsw1_layer2layer34.png" width="400" /> <td align="center"><img alt="spatial_resolution_mmsw1_layer1layer34.png" src="%ATTACHURL%/spatial_resolution_mmsw1_layer1layer34.png" width="400" /> </td> </tr> 

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<tr> <td bgcolor="#eeeeee"> *Fig. 11:* *Spatial resolution of second coordinate of the MMSW* %BR% 
Left : Residual distributions from the hit position difference between the 2<sup>nd</sup> coordinate hit,
reconstructed using the stereo readout 3 and 4 layers of MMSW, with a 2<sup>nd</sup> coordinate hit reconstructed in one reference chamber at a distance 20 cm from the first plane of the MMSW. Both chambers wee perpendicular to the beam axis and the hit per layer is reconstructed using the
centroid method. Right : MC simulation of the ratio between the resolution of the 2<sup>nd</sup> hit reconstructed combining two stereo layers with the precision coordinate resolution of each stereo layer as a function of the stereo angle value ([[https://cds.cern.ch/record/1956434][T.Alexopoulos et al., ATL-MUON-INT-2014-005]]). For a stereo angle of 1.5 degrees, as in the MMSW case, we expect this ratio to be 27 which is in good agreement with our measurement.%BR%

&sigma;<sub>core</sub> corresponds to the width of the core gaussian while &sigma;<sub>weight</sub> is the weighted average of the two gaussians %BR%
 &sigma;<sub>weight</sub><sup>2</sup>=f<sub>core</sub>&sigma;<sub>core</sub><sup>2</sup>+f<sub>tails</sub>&sigma;<sub>tails</sub><sup>2</sup>, f<sub>core,tails</sub>=p<sub>core,tails</sub>&sigma;<sub>core,tails</sub>/(p<sub>core</sub>&sigma;<sub>core</sub>+p<sub>tails</sub>&sigma;<sub>tails</sub>)%BR%

The measurements were performed with the MMSW quadruplet operated with an amplification voltage $HV<sub>amp</sub> = 580 V. The data were acquired during PS/T9  with a 6 GeV/c &pi;<sup>+</sup>/p$ beam.%BR%

[[%ATTACHURL%/spatial_resolution_mmsw1_layer34ytmm6y.pdf][pdf1]]%BR%
[[%ATTACHURL%/phiError.pdf][pdf2]]

</td> 

<td align="center"><img alt="spatial_resolution_mmsw1_layer34ytmm6y.png" src="%ATTACHURL%/spatial_resolution_mmsw1_layer34ytmm6y.png" width="400" /> <td align="center"><img alt="phiError.png" src="%ATTACHURL%/phiError.png" width="400" /></td> </tr> 

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<tr> <td bgcolor="#eeeeee"> *Fig. 12:* *&mu;TPC refinement - Angular Dsitributions* %BR% 

Angular distributions reconstructed with a T type MM chamber with the &mu;TPC method for four different chamber inclination angles with respect to the beam axis (10, 20, 30, 40 degrees). The long tails correspond to badly reconstructed tracks because of wrong timing determination or owing to clusters with small number of strips. The mean reconstructed angle is estimated by fitting a gaussian on the peak of the distribution. The angular resolution (width of the gaussian) improves with increasing the incidence angle of the track owing to the fact that there is a larger number of points (strips) to be used for the reconstruction of the track. %BR%

The measurements were performed with T type MM bulk resistive chambers operated with an amplification voltage HV<sub>amp</sub> = 510 V.The data were acquired during SPS/H4 testbeam with a 150 GeV/c &mu;/&pi;<sup>+</sup> beam.%BR%

[[%ATTACHURL%/angle_10deg_aftercor.pdf][pdf1]]%BR%
[[%ATTACHURL%/angle_10deg_aftercor.pdf][pdf2]]%BR%
[[%ATTACHURL%/angle_10deg_aftercor.pdf][pdf3]]%BR%
[[%ATTACHURL%/angle_10deg_aftercor.pdf][pdf4]]

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<td align="center"><img alt="angle_10deg_aftercor.png" src="%ATTACHURL%/angle_10deg_aftercor.png" width="400" /> %BR%  <img alt="angle_30deg_aftercor.png" src="%ATTACHURL%/angle_30deg_aftercor.png" width="400" /> <td align="center"><img alt="angle_20deg_aftercor.png" src="%ATTACHURL%/angle_20deg_aftercor.png" width="400" /> %BR% <img alt="angle_40deg_aftercor.png" src="%ATTACHURL%/angle_40deg_aftercor.png" width="400" />
 </td> </tr> 

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<tr> <td bgcolor="#eeeeee"> *Fig. 13:* *&mu;TPC refinement - Angle Reconstruction and Spatial Resolution* %BR% 

Left: Comparison of the  mean reconstructed angle for different chamber inclination angles with respect to the beam axis before (blue markers) and after (red markers) the refinement of the &mu;TPC method. When the &mu;TPC method is corrected for the effect of the capacitive coupling between neighboring strips and the charge position assignment in the edges of the cluster a significant reduction in the observed mean reconstructed angle bias is observed. The remaining bias is attributed to the remaining effect of the capacitive coupling between the middle strips of the cluster.%BR% 
Right: Comparison of the spatial resolution measured for different chamber inclination angles with respect to the beam axis (blue markers) and after (red markers) the refinement of the &mu;TPC method. The refinement of the &mu;TPC method results in a siginficant improvement in the measured spatial resolution (especially for the 10, 20 degrees case). The residual distributions that are used for the extraction of the resolution are fitted with a double gaussian to take into account also the tails. For the resolution plot shown here the resolution is defined as the &sigma; of the core gaussian. %BR%

The measurements were performed with T type MM bulk resistive chambers operated with an amplification voltage HV<sub>amp</sub> = 510 V.The data were acquired during SPS/H4 testbeam with a 150 GeV/c &mu;/&pi;<sup>+</sup> beam.%BR%

[[%ATTACHURL%/reco_angle_beforeaftercor_errors.pdf][pdf1]]%BR%
[[%ATTACHURL%/spatial_resolution_utpc_beforeaftercor_atlasnsw.pdf][pdf2]]

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<td align="center"><img alt="reco_angle_beforeaftercor_errors.png" src="%ATTACHURL%/reco_angle_beforeaftercor_errors.png" width="400" /> <td align="center"><img alt="spatial_resolution_utpc_beforeaftercor_atlasnsw.png" src="%ATTACHURL%/spatial_resolution_utpc_beforeaftercor_atlasnsw.png" width="400" />
 </td> </tr> 

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<tr> <td bgcolor="#eeeeee"> *Fig. 14:* *Spatial resolution of a single Micromegas chamber vs incident angle* %BR% Spatial resolution using the charge centroid method (blue triangles), the &mu;TPC method (full red circles) and the combination of the two (black open circles)” as a function of the particle incident angle. The resolution is obtained from the residual distribution of the hit position difference between two Micromegas chambers separated by a small distance.</td> 
<td align="center"><img alt="mm_single_plane_spatial_resolution.png" src="%ATTACHURL%/mm_single_plane_spatial_resolution.png" width="400" /> </td> </tr>

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<table bgcolor="#f5f5fa" border="1" cellpadding="10" cellspacing="10" style="width: 100%;"> <tbody> 

<tr> <td bgcolor="#eeeeee"> *Fig. 15:* *Ageing studies on a Micromegas chamber irradiated with x-rays* %BR% Mesh current measured in a MM test prototype chamber similar to a "Tmm type" prototype irradiated with x-rays and compared with that measured in a reference, non-irradiated detector. The total irradiation dose is 230 mC/cm<sup>2</sup>, corresponding to 5 years of operation at the high-luminosity LHC with a safety factor above 7. The measurement has been performed at the CEA-Saclay site. 2013 JINST 8 P04028. </td> 
<td align="center"><img alt="mm_single_plane_spatial_resolution.png" src="%ATTACHURL%/xray_ageing.png" width="400" /> </td> </tr>

</tbody> 
</table>

<table bgcolor="#f5f5fa" border="1" cellpadding="10" cellspacing="10" style="width: 100%;"> <tbody> 

<tr> <td bgcolor="#eeeeee"> *Fig. 16:* *Ageing studies on a Micromegas chamber irradiated with neutrons* %BR% Mesh current measured in a MM test prototype chamber similar to a "Tmm type" prototype irradiated with a 8 · 10<sup>8</sup>n/s · cm<sup>2</sup> flux of thermal neutrons at Orphee reactor at CEA-Saclay. The total exposition, which lasted 40 hours, is equivalent to 5 years of operation at the high-luminosity LHC with a safety factor above 10. 2013 JINST 8 P04028. </td> 
<td align="center"><img alt="mm_single_plane_spatial_resolution.png" src="%ATTACHURL%/neutron_ageing.png" width="400" /> </td> </tr>


<table bgcolor="#f5f5fa" border="1" cellpadding="10" cellspacing="10" style="width: 100%;"> <tbody> 

<tr> <td bgcolor="#eeeeee"> *Fig. 17:* *Ageing studies on a Micromegas chamber irradiated with gamma-rays* %BR% Mesh current measured in a MM test prototype chamber similar to a "Tmm type" prototype during an exposure to gamma-rays produced by a <sup>60</sup>Co radioactive source at the COCASE facility at CEA-Saclay. The total exposure time is 480 hours, and the total integrated charge is 1484 mC, corresponding to 5 years of high-luminosity LHC with a safety factor above 3. A zoom of the current evolution and of the humidity measurement is also shown. 2013 JINST 8 P04028 </td> 
<td align="center"><img alt="mm_single_plane_spatial_resolution.png" src="%ATTACHURL%/gamma_ageing.png" width="400" /> </td> </tr>

</tbody> 
</table>
---++ Micromegas Results from Cosmic Rays Data at BB5

<table bgcolor="#f5f5fa" border="1" cellpadding="10" cellspacing="10" style="width: 100%;"> <tbody> 

<tr> <td bgcolor="#eeeeee"> *Fig. 18:* Mean Micromegas cluster charge vs the incident angle $\theta$ taken from the track reconstruction using the other layers of the double-wedge. The layers used for the plot are of the eta type (with the strips orthogonal to the longitudinal axis of the double wedge). The BB5 runs used are: 1590923157 (A16 - NL ON), 1590844191 (A16 - NL OFF), 1592067227 (A08 - NL ON), 1592071100 (A08 - neigh OFF). The cluster are defined with at most two consecutive holes, the highest strip charge is greater than \SI{1.2}{\femto\coulomb} and the other strips charge is grater than \SI{0.4}{\femto\coulomb} and its associated position is calculated using the centroid method. The clusters are used in the plot only if the residuals (cluster - track position) is less than 5 mm (if there are more than one cluster per event, the closest to the extrapolated position is chosen) </td> 
<td align="center"><img alt="Cluster_charge_meanONOFF.png" src="%ATTACHURL%/Cluster_charge_meanONOFF.png" width="400" /> </td> </tr>

</td> </tr> </tbody> </table>

<table bgcolor="#f5f5fa" border="1" cellpadding="10" cellspacing="10" style="width: 100%;"> <tbody> 

<tr> <td bgcolor="#eeeeee"> *Fig. 19:* Micromegas cluster width (number of hits+holes per cluster) vs the incident angle $\theta$ taken from the track reconstruction using the other layers of the double-wedge. The geometrical projection is also shown and it is defined as the number of strip hitten by the muon using a simple geometrical projection ($1 + tan(\theta)*h_{drift\ gap}/pitch$). The layers used for the plot are of the eta type (with the strips orthogonal to the longitudinal axis of the double wedge). The BB5 runs used are: 1590923157 (A16 - NL ON), 1590844191 (A16 - NL OFF), 1592067227 (A08 - NL ON), 1592071100 (A08 - neigh OFF). The cluster are defined with at most two consecutive holes, the highest strip charge is greater than \SI{1.2}{\femto\coulomb} and the other strips charge is grater than \SI{0.4}{\femto\coulomb} and its associated position is calculated using the centroid method. The clusters are used in the plot only if the residuals (cluster - track position) is less than 5 mm (if there are more than one cluster per event, the closest to the extrapolated position is chosen </td> 
<td align="center"><img alt="Cluster_widthONOFF.png" src="%ATTACHURL%/Cluster_widthONOFF.png" width="400" /> </td> </tr>

</td> </tr> </tbody> </table>


</td> </tr> </tbody> </table>

<table bgcolor="#f5f5fa" border="1" cellpadding="10" cellspacing="10" style="width: 100%;"> <tbody> 

<tr> <td bgcolor="#eeeeee"> *Fig. 20:* Micromegas cluster width (number of hits+holes per cluster) vs amplification voltage (HV). The cluster are defined with at most two consecutive holes, the highest strip charge is greater than \SI{1.2}{\femto\coulomb} and the other strips charge is grater than \SI{0.4}{\femto\coulomb} and its associated position is calculated using the centroid method. The clusters are used in the plot only if the residuals (cluster - track position reconstructed using the other layers of the double wedge) is less than 5 mm for the eta layers or 10 mm for the stereo layer (if there are more than one cluster per event, the closest to the extrapolated position is chosen). </td> 
<td align="center"><img alt="Cluster_width_vs_HV.png" src="%ATTACHURL%/Cluster_width_vs_HV.png" width="400" /> </td> </tr>

</td> </tr> </tbody> </table>

<table bgcolor="#f5f5fa" border="1" cellpadding="10" cellspacing="10" style="width: 100%;"> <tbody> 

<tr> <td bgcolor="#eeeeee"> *Fig. 21:* Mean Micromegas cluster charge vs amplification voltage (HV). The cluster are defined with at most two consecutive holes, the highest strip charge is greater than \SI{1.2}{\femto\coulomb} and the other strips charge is grater than \SI{0.4}{\femto\coulomb} and its associated position is calculated using the centroid method. The clusters are used in the plot only if the residuals (cluster - track position reconstructed using the other layers of the double wedge) is less than 5 mm for the eta layers or 10 mm for the stereo layer (if there are more than one cluster per event, the closest to the extrapolated position is chosen) </td> 
<td align="center"><img alt="Mean_cluster_charge_vs_HV.png" src="%ATTACHURL%/Mean_cluster_charge_vs_HV.png" width="400" /> </td> </tr>

</td> </tr> </tbody> </table>

<table bgcolor="#f5f5fa" border="1" cellpadding="10" cellspacing="10" style="width: 100%;"> <tbody> 

<tr> <td bgcolor="#eeeeee"> *Fig. 22:* Micromegas efficiency map at 570 V. The position of the interconnections is visible in the point with less efficiency. The efficiency is evaluated using the tag and probe method. The probe is the track reconstructed using at least 5 other layers of the double wedge while the tag is a cluster that is within $\pm$ 5 mm for the eta layers respect to extrapolated track position. The clusters are defined with at most two consecutive holes, the highest strip charge is greater than \SI{1.2}{\femto\coulomb} and the other strips charge is grater than \SI{0.4}{\femto\coulomb} and its associated position is calculated using the centroid method </td> 
<td align="center"><img alt="Efficiency_Layer6.png" src="%ATTACHURL%/Efficiency_Layer6.png" width="400" /> </td> </tr>

</td> </tr> </tbody> </table>

</td> </tr> </tbody> </table>

<table bgcolor="#f5f5fa" border="1" cellpadding="10" cellspacing="10" style="width: 100%;"> <tbody> 

<tr> <td bgcolor="#eeeeee"> *Fig. 23:* Micromegas efficiency vs amplification voltage (HV). The efficiency is evaluated using the tag and probe method. The probe is the track reconstructed using at least 5 other layers of the double wedge while the tag is a cluster that is within $\pm$ 5 mm for the eta layers and $\pm$ 10 mm for the stereo ones respect to extrapolated track position. The clusters are defined with at most two consecutive holes, the highest strip charge is greater than \SI{1.2}{\femto\coulomb} and the other strips charge is grater than \SI{0.4}{\femto\coulomb} and its associated position is calculated using the centroid method  </td> 
<td align="center"><img alt="Efficiency_vs_HV.png" src="%ATTACHURL%/Efficiency_vs_HV.png" width="400" /> </td> </tr>

</td> </tr> </tbody> </table>





---+ sTGC Results and Plots
---++ sTGC Chamber and Wedge Construction
---+++ Public Talks at conferences
---+++ Public Plots

<table bgcolor="#f5f5fa" border="1" cellpadding="10" cellspacing="10" style="width: 100%;"> <tbody> <tr> <td bgcolor="#eeeeee"> 
*Fig. 1:* *Distribution of the pulse peak values of sTGC strip hits during a typical data acquisition run with X-rays.* 
%BR% 
  During the run, the X-ray gun
      is positioned over the QS3 module of an sTGC wedge.  The module is flushed
      with pure CO<sub>2</sub> and operates at 2.925 kV.  Hits from the strips of the
      second gas volume from the top and in the vicinity of the X-ray beam are
      shown.  The sTGC module under test is read out with VMM3a ASICs mounted on
      strip front-end boards (sFEB) rev. 2.1.  The VMM3a is configured with
      neighbour triggering enabled, a gain of 1.0 mV/fC and an integration time
      of 50 ns.  The voltage threshold of the electronic channels is tuned on a
      channel-by-channel basis to be 20 mV above the voltage baseline. 
</td> <td align="center">
<img alt="pdo_all.png" src="%ATTACHURL%/pdo_all.png" width="400" />
</td> </tr> </tbody> </table>



<table bgcolor="#f5f5fa" border="1" cellpadding="10" cellspacing="10" style="width: 100%;"> <tbody> <tr> <td bgcolor="#eeeeee"> 
*Fig. 2:* *Number of strips making up charge clusters during a typical X-ray data acquisition run.* 
%BR% 
    During the run, the X-ray gun is positioned over the
    QS3 module of an sTGC wedge.  The module is flushed with pure CO<sub>2</sub> and
    operates at 2.925 kV.  Hits from the strips of the second gas volume from
    the top and in the vicinity of the X-ray beam are shown.  The sTGC module
    under test is read out with VMM3a ASICs mounted on strip front-end boards
    (sFEB) rev. 2.1.  The VMM3a is configured with neighbour triggering enabled,
    a gain of 1.0 mV/fC and an integration time of 50 ns.  The voltage threshold
    of the electronic channels is tuned on a channel-by-channel basis to be
    20 mV above the voltage baseline.  Charge clusters are defined as a
    collection of contiguous strip hits read out within a time window of 3 BCID
    (75 ns).  The charge clusters selected for analysis must be made up of
    neighbour-triggered hits from the outer strips and above-threshold hits from
    the inner strips which implies a minimum strip multiplicity of 3.  Charge
    clusters with strip-multiplicities below or equal to 5 are used for the
    analysis of X-ray data.
</td> <td align="center">
<img alt="cluster_size.png" src="%ATTACHURL%/cluster_size.png" width="400" />
</td> </tr> </tbody> </table>


<table bgcolor="#f5f5fa" border="1" cellpadding="10" cellspacing="10" style="width: 100%;"> <tbody> <tr> <td bgcolor="#eeeeee"> 
*Fig. 3:* *Sum of the pulse peak values of hits making up a charge cluster during a typical X-ray data acquisition run.* 
%BR% 
     During the run, the X-ray gun
    is positioned over the QS3 module of an sTGC wedge.  The module is flushed
    with pure CO<sub>2</sub> and operates at 2.925 kV.  Hits from the strips of the
    second gas volume from the top and in the vicinity of the X-ray beam are
    shown.  The sTGC module under test is read out with VMM3a ASICs mounted on
    strip front-end boards (sFEB) rev. 2.1.  The VMM3a is configured with
    neighbour triggering enabled, a gain of 1.0 mV/fC and an integration time of
    50 ns.  The voltage threshold of the electronic channels is tuned on a
    channel-by-channel basis to be 20 mV above the voltage baseline.  Charge
    clusters are defined as a collection of contiguous strip hits read out
    within a time window of 3 BCID (75 ns).  Results for charge clusters with
    strip-multiplicities of 3 to 5 are shown.
</td> <td align="center">
<img alt="sum_pdo.png" src="%ATTACHURL%/sum_pdo.png" width="400" />
</td> </tr> </tbody> </table>



<table bgcolor="#f5f5fa" border="1" cellpadding="10" cellspacing="10" style="width: 100%;"> <tbody> <tr> <td bgcolor="#eeeeee"> 
*Fig. 4:* *Centroid position of strip charge clusters during an X-ray run with the collimator removed for strip multiplicities of (a)-(e) 3, (b)-(f) 4 and (c)-(g) 5 as well as for clusters multiplicities (d)-(h) 3 to 5 combined.* 
%BR% 
     The raw centroid positions, denoted y<sub>cl</sub>, are
      shown in (a-d) and the centroid positions corrected for differential
      non-linearity (DNL), denoted y'<sub>cl</sub>, shown in (e-h).
      The DNL bias is corrected using the formula

y'<sub>rel</sub> = y<sub>rel</sub> + &Sigma;<sup>N</sup><sub>i=1</sub> c<sub>i</sub> / (2&pi;i) sin( 2&pi;iy<sub>rel</sub>)

where y'<sub>rel</sub>  and y<sub>rel</sub> are the
        cluster centroid positions relative to the nominal strip edges.  An
        independent correction with N=3 is applied for each strip
        multiplicity.  The coefficients c<sub>i</sub> used for the correction are
        obtained based on the distributions of y<sub>rel</sub> of the run.
        Only clusters from the strips located in the plateau of the X-ray
        irradiation profile are shown and used for the calculation of the
        coefficients c<sub>i</sub>.  The pink dashed lines highlight the nominal edges
        of the strips.  During the run, the module is flushed with pure CO<sub>2</sub>
        and operates at 2.925 kV.  Hits from the strips of the second gas volume
        from the top and in the vicinity of the X-ray beam are shown.  The sTGC
        module under test is read out with VMM3a ASICs mounted on strip
        front-end boards (sFEB) rev. 2.1.  The VMM3a is configured with
        neighbour triggering enabled, a gain of 1.0mV/fC and an integration
        time of 50 ns.  The voltage threshold of the electronic channels is
        tuned on a channel-by-channel basis to be 20 mV above the voltage
        baseline.  Charge clusters are defined as a collection of contiguous
        strip hits read out within a time window of 3 BCID (75 ns). 
</td> <td align="center">
<img alt="ypos_no_collimator.png" src="%ATTACHURL%/ypos_no_collimator.png" width="400" />
</td> </tr> </tbody> </table>


<table bgcolor="#f5f5fa" border="1" cellpadding="10" cellspacing="10" style="width: 100%;"> <tbody> <tr> <td bgcolor="#eeeeee"> 
*Fig. 5:* *Cluster centroid position relative to the strip edges, denoted y<sub>rel</sub>, during an X-ray run without collimator for strip-multiplicities of (a) 3, (b) 4 and (c) 5.* 
The distributions are fitted to the sum of cosines

f(y<sub>rel</sub>) = 1 + &Sigma;<sup>N</sup><sub>i=1</sub> c<sub>i</sub> cos( 2&pi;i y<sub>rel</sub>)

with N=3.  The fitted coefficients c<sub>i</sub> are used to correct
        the differential non-linearity bias of runs with collimator.  Only
        clusters from strips located in the plateau of the X-ray irradiation
        profile are shown and used for the calculation of the coefficients
        c<sub>i</sub>.  During the run, the module is flushed with pure CO<sub>2</sub> and
        operates at 2.925 kV.  Hits from the strips of the second gas volume
        from the top and in the vicinity of the X-ray beam are shown.  The sTGC
        module under test is read out with VMM3a ASICs mounted on strip
        front-end boards (sFEB) rev. 2.1.  The VMM3a is configured with
        neighbour triggering enabled, a gain of 1.0 mV/fC and an integration
        time of 50 ns.  The voltage threshold of the electronic channels is
        tuned on a channel-by-channel basis to be 20 mV above the voltage
        baseline.  Charge clusters are defined as a collection of contiguous
        strip hits read out within a time window of 3 BCID (75 ns).
</td> <td align="center">
<img alt="yrel_no_collimator.png" src="%ATTACHURL%/yrel_no_collimator.png" width="400" />
</td> </tr> </tbody> </table>


<table bgcolor="#f5f5fa" border="1" cellpadding="10" cellspacing="10" style="width: 100%;"> <tbody> <tr> <td bgcolor="#eeeeee"> 
*Fig. 6:* *Centroid position of strip charge clusters* during a typical X-ray
      run with collimator for strip multiplicities of (a)-(e) 3, (b)-(f) 4 and
      (c)-(g) 5 as well as for clusters multiplicities (d)-(h) 3 to 5 combined.
      The raw centroid positions, denoted y<sub>cl</sub>, are shown in
      (a-d) and the centroid positions corrected for differential non-linearity
      (DNL), denoted y'<sub>cl</sub>, shown in (e-h).  The DNL bias is
      corrected using the formula

y'<sub>rel</sub> = y<sub>rel</sub> + &Sigma;<sup>N</sup><sub>i=1</sub> c<sub>i</sub>/(2&pi;i) sin(2&pi;iy<sub>rel</sub>)

where y'<sub>rel</sub> and y<sub>rel</sub> are the
        cluster centroid positions relative to the nominal strip edges.  An
        independent correction with N=3 is applied for each strip
        multiplicity.  The coefficients c<sub>i</sub> used for the correction are
        obtained based on the y<sub>rel</sub> distributions of runs without
        collimator.  The pink dashed lines highlight the nominal edges of the
        strips.  The distribution of Fig. (h) is fitted to a Gaussian
        function. The mean parameter &mu;<sub>fit</sub> of the fitted function
        is used as the centroid position of the X-ray profile.  During the run,
        the module is flushed with pure CO<sub>2</sub> and operates at 2.925 kV.  Hits
        from the strips of the second gas volume from the top and in the
        vicinity of the X-ray beam are shown.  The sTGC module under test is
        read out with VMM3a ASICs mounted on strip front-end boards (sFEB)
        rev. 2.1.  The VMM3a is configured with neighbour triggering enabled, a
        gain of 1.0 mV/fC and an integration time of 50 ns.  The voltage
	threshold of the electronic channels is tuned on a channel-by-channel
        basis to be 20 mV above the voltage baseline.  Charge clusters are
        defined as a collection of contiguous strip hits read out within a time
        window of 3 BCID (75 ns).
</td> <td align="center">
<img alt="ypos_collimator.png" src="%ATTACHURL%/ypos_collimator.png" width="400" />
</td> </tr> </tbody> </table>


<table bgcolor="#f5f5fa" border="1" cellpadding="10" cellspacing="10" style="width: 100%;"> <tbody> <tr> <td bgcolor="#eeeeee"> 
*Fig. 7:* *Centroid position of the X-ray irradiation profile as a function of the position of a micrometric screw* pushing the X-ray gun perpendicularly to
    the strips over the surface of an sTGC wedge. The X-ray gun is inserted in
    the holder piece. A square edge is glued to the surface of the wedge to
    guide the movement of the holder.  The charge clusters making up the
    irradiation profile are corrected for differential non-linearity using
    correction coefficients obtained with an X-ray run without the collimator.
    The measurements are fitted to a first-order polynomial with the slope fixed
    to unity.  The fit residuals, shown in the bottom panel, are consistent with
    a spatial resolution better than 40 microns.  During the run, the module is
    flushed with pure CO<sub>2</sub> and operates at 2.925 kV.  Hits from the strips of
    the second gas volume from the top and in the vicinity of the X-ray beam are
    shown.  The sTGC module under test is read out with VMM3a ASICs mounted on
    strip front-end boards (sFEB) rev. 2.1.  The VMM3a is configured with
    neighbour triggering enabled, a gain of 1.0 mV/fC and an integration time of
    50 ns.  The voltage threshold of the electronic channels is tuned on a
    channel-by-channel basis to be 20 mV above the voltage baseline.  Charge
    clusters are defined as a collection of contiguous strip hits read out
    within a time window of 3 BCID (75 ns).
</td> <td align="center">
<img alt="screw.png" src="%ATTACHURL%/screw.png" width="400" />
</td> </tr> </tbody> </table>

<table bgcolor="#f5f5fa" border="1" cellpadding="10" cellspacing="10" style="width: 100%;"> <tbody> <tr> <td bgcolor="#eeeeee"> 
*Fig. 8:* *Pictures of the equipment used for the X-ray test.*
%BR% 
   Top left: X-ray gun
  inserted in the holder piece and the base plate. Top right: Drawing of the X-ray gun
  holder. Bottom left: Source plate for the NSW alignment system. Bottom right:
  Brass collimator inserted in the tip of the gun. The tip of the gun is screwed
  in the gun body.
</td> <td align="center">
<img alt="xray_equipment.jpg" src="%ATTACHURL%/xray_equipment.jpg" width="400" />
</td> </tr> </tbody> </table>


<table bgcolor="#f5f5fa" border="1" cellpadding="10" cellspacing="10" style="width: 100%;"> <tbody> <tr> <td bgcolor="#eeeeee"> 
*Fig. 9:* *Photograph of the interlocked test area used to carry out X-ray measurements.*
%BR% 
</td> <td align="center">
<img alt="test_area.jpg" src="%ATTACHURL%/test_area.jpg" width="400" />
</td> </tr> </tbody> </table>

<table bgcolor="#f5f5fa" border="1" cellpadding="10" cellspacing="10" style="width: 100%;"> <tbody> <tr> <td bgcolor="#eeeeee"> 
*Fig. 10:* *Photograph of the setup used to measure the intrinsic spatial resolution of the technique using a micrometric screw.*
%BR% 
 A square angle is glued on the
  surface of the wedge to guide the holder piece in a perpendicular direction
  with respect to the strips. The micrometric screw is also glued on the wedge
  and is used to push the holder by a known distance.
</td> <td align="center">
<img alt="screw_setup.jpg" src="%ATTACHURL%/screw_setup.jpg" width="400" />
</td> </tr> </tbody> </table>



---++ sTGC Performance
---+++ Public Talks at conferences
---+++ Public Plots

<table bgcolor="#f5f5fa" border="1" cellpadding="10" cellspacing="10" style="width: 100%;"> <tbody> <tr> <td bgcolor="#eeeeee"> *Fig. 2:* *Inclusive sTGC residual* %BR% The reference track is built from all four hits in the sTGC quadruplet.</td> <td align="center"><img alt="sTGC_standalone_residuals_inc.png" src="%ATTACHURL%/sTGC_standalone_residuals_inc.png" width="400" /></td> </tr> <tr> <td bgcolor="#eeeeee"> *Fig. 2:* *Exclusive sTGC residual* %BR% The reference track is built from three hits in the sTGC quadruplet, excluding the first hit for which the residual is computed.</td> <td align="center"><img alt="sTGC_standalone_residuals_exc.png" src="%ATTACHURL%/sTGC_standalone_residuals_exc.png" width="400" /></td> </tr> <tr> <td bgcolor="#eeeeee"> *Fig. 2:* *sTGC residual* %BR% The reference track is built from hits in three pixel layers before and after the sTGC quadruplet.</td> <td align="center"><img alt="sTGC_residual_pixel.png" src="%ATTACHURL%/sTGC_residual_pixel.png" width="400" /></td> </tr> <tr> <td bgcolor="#eeeeee"> *Fig. 3:* *Intrinsic strip spatial resolution measured at the H8 beam line, without the near-neighbour logic* %BR% In-situ measurement of the sTGC strip spatial resolution as a function of the applied high-voltage using a low-rate muon beam in the H8 beam-test area at CERN using three layers of a QS3P module during 2018. </td> <td align="center"><img alt="intrinsic_sp.png" src="%ATTACHURL%/intrinsic_sp.png" width="400" /></td> </tr> <tr> <td bgcolor="#eeeeee"> *Fig. 4:* *Charge distribution from a sTGC pad at (a) the H8 beam line for the QS3 module* %BR% The sTGC pad charge distribution (PDO) for different values of applied high-voltage using a low-rate
muon beam in the H8 beam-test area at CERN with a QS3P detector during 2018.</td> <td align="center"><img alt="pdo_1.png" src="%ATTACHURL%/pdo_1.png" width="400" /></td> </tr> <tr> <td bgcolor="#eeeeee"> *Fig. 5:* *Charge distribution from a sTGC pad at the GIF++ facility for the QL1 module* %BR% The sTGC pad charge PDO distribution (normalised) for different background rates, as measured in GIF++ using a muon beam in the presence of high rate photon background in GIF++ at CERN with a QL1 detector during 2018.</td> <td align="center"><img alt="pdo_2.png" src="%ATTACHURL%/pdo_2.png" width="400" /></td> </tr> </tbody> </table></tbody> </table></tbody> </table></tbody> </table> </tbody> </table></tbody> </table>


</tbody> 
</table>
---++ sTGC Results from Cosmic Rays Data

<table bgcolor="#f5f5fa" border="1" cellpadding="10" cellspacing="10" style="width: 100%;"> <tbody> 

<tr> <td bgcolor="#eeeeee"> *Fig. 6:* Data for a QL2C module tested with cosmic rays at McGill University.
            During the test, the module is placed horizontally between two layers of plastic scintillator detectors that trigger on the passage of muons.
            Data acquisition is triggered by the coincidence of signals from the two scintillator layers.
            The total data taking time is approximately one day.
            The module is read out with VMM3 ASICs fitted on prototype front-end boards.
            Exclusive \emph{test tracks} are reconstructed using all wire and strip hits of the tested module excluding hits from the tested layer.
            The efficiency of a strip is defined as the fraction of test tracks pointing at the strip that are accompagnied with a hit on the strip.
            The large drops in efficiency are explained by the five 7-mm wide wire supports which lay parallel to the strip inside the gas volume.
            Likewise the moderate drops in efficiency between the wire supports are explained by the presence of button supports.</td> 
<td align="center"><img alt="ql2c7-eff-strips-1D.png" src="%ATTACHURL%/ql2c7-eff-strips-1D.png" width="400" /> </td> </tr>
</td> </tr> </tbody> </table>

<table bgcolor="#f5f5fa" border="1" cellpadding="10" cellspacing="10" style="width: 100%;"> <tbody> 
<tr> <td bgcolor="#eeeeee"> *Fig. 7:*             Data for a QL2C module tested with cosmic rays at McGill University.
            During the test, the module is placed horizontally between two layers of plastic scintillator detectors that trigger on the passage of muons.
            Data acquisition is triggered by the coincidence of signals from the two scintillator layers.
            The total data taking time is approximately one day.
            The module is read out with VMM3 ASICs fitted on prototype front-end boards.
            The surface of the gas volume is divided in test bins. All test bins have the same dimensions except for 5 rows of bins whose height is tuned to fully cover the wire supports.
            Exclusive \emph{test tracks} are reconstructed using all wire and strip hits of the tested module excluding hits from the tested layer.
            The efficiency associated to a test bin is defined as the fraction of test tracks pointing at the bin that are accompagnied with a strip hit in the vincinity of the bin.
            The narrow inneficient regions correspond to the five 7-mm wide wire supports which lie parallel to the strip inside the gas volume.</td> 
<td align="center"><img alt="ql2c7-eff-strips-2D.png" src="%ATTACHURL%/ql2c7-eff-strips-2D.png" width="400" /> </td> </tr>
</td> </tr> </tbody> </table>


<table bgcolor="#f5f5fa" border="1" cellpadding="10" cellspacing="10" style="width: 100%;"> <tbody> 
<tr> <td bgcolor="#eeeeee"> *Fig. 8:* Data for a QL2C module read out with VMM3 ASICs
            fitted on prototype front-end boards. The noise is the RMS of the
            baseline voltage of the strip channels measured at the monitor
            output of the VMM3. The oscilloscope is setup with a time window of
            20 microseconds and in AC coupling mode during the measurement. The
            direct voltage measurements and RMS calculation are done using an
            oscilloscope. </td> 
<td align="center"><img alt="ql2c7-noise-strips-1D.png" src="%ATTACHURL%/ql2c7-noise-strips-1D.png" width="400" /> </td> </tr>
</td> </tr> </tbody> </table>




<table bgcolor="#f5f5fa" border="1" cellpadding="10" cellspacing="10" style="width: 100%;"> <tbody> 
<tr> <td bgcolor="#eeeeee"> *Fig. 9:* Data for a QL2C module tested with cosmic rays at McGill University.
            During the test, the module is placed horizontally between two layers of plastic scintillator detectors that trigger on the passage of muons.
            Data acquisition is triggered by the coincidence of signals from the two scintillator layers.
            The total data taking time is approximately one day.
            The module is read out with VMM3 ASICs fitted on prototype front-end boards..</td> 
<td align="center"><img alt="ql2c7-pdo-pads.png" src="%ATTACHURL%/ql2c7-pdo-pads.png" width="400" /> </td> </tr>
</td> </tr> </tbody> </table>

<table bgcolor="#f5f5fa" border="1" cellpadding="10" cellspacing="10" style="width: 100%;"> <tbody> 
<tr> <td bgcolor="#eeeeee"> *Fig. 10:* Data for a QL2C module tested with cosmic rays at McGill University.
            During the test, the module is placed horizontally between two layers of plastic scintillator detectors that trigger on the passage of muons.
            Data acquisition is triggered by the coincidence of signals from the two scintillator layers.
            The total data taking time is approximately one day.
            The module is read out with VMM3 ASICs fitted on prototype front-end boards.
            Neighbour triggered hits are included in the histogram.</td> 
<td align="center"><img alt="ql2c7-pdo-strips.png" src="%ATTACHURL%/ql2c7-pdo-strips.png" width="400" /> </td> </tr>
</td> </tr> </tbody> </table>

<table bgcolor="#f5f5fa" border="1" cellpadding="10" cellspacing="10" style="width: 100%;"> <tbody> 
<tr> <td bgcolor="#eeeeee"> *Fig. 11:* Data for a QL2C module tested with cosmic rays at McGill University.
            During the test, the module is placed horizontally between two layers of plastic scintillator detectors that trigger on the passage of muons.
            Data acquisition is triggered by the coincidence of signals from the two scintillator layers.
            The total data taking time is approximately one day.
            The module is read out with VMM3 ASICs fitted on prototype front-end boards.</td> 
<td align="center"><img alt="ql2c7-pdo-wires.png" src="%ATTACHURL%/ql2c7-pdo-wires.png" width="400" /> </td> </tr>
</td> </tr> </tbody> </table>

<table bgcolor="#f5f5fa" border="1" cellpadding="10" cellspacing="10" style="width: 100%;"> <tbody> 
<tr> <td bgcolor="#eeeeee"> *Fig. 12:* Data for a QL2C module tested with cosmic rays at McGill University.
            During the test, the module is placed horizontally between two layers of plastic scintillator detectors that trigger on the passage of muons.
            Data acquisition is triggered by the coincidence of signals from the two scintillator layers.
            The total data taking time is approximately one day.
            The module is read out with VMM3 ASICs fitted on prototype front-end boards.
            Charge clusters are made up of hits from contiguous cathode strips of a layer.
            Due to neighbour triggering, the strip multiplicity is typically larger or equal to 3.
            Neighbour triggered hits with a peak value below baseline are nevertheless rejected which can reduce the multiplicity.
            Charge clusters on the edges of a strip board can also have a multiplicity lower than 3.</td> 
<td align="center"><img alt="ql2c7-raw-cluster-size.png" src="%ATTACHURL%/ql2c7-raw-cluster-size.png" width="400" /> </td> </tr>
</td> </tr> </tbody> </table>

<table bgcolor="#f5f5fa" border="1" cellpadding="10" cellspacing="10" style="width: 100%;"> <tbody> 
<tr> <td bgcolor="#eeeeee"> *Fig. 13:* Data for a QL2C module tested with cosmic rays at McGill University.
            During the test, the module is placed horizontally between two layers of plastic scintillator detectors that trigger on the passage of muons.
            Data acquisition is triggered by the coincidence of signals from the two scintillator layers.
            The total data taking time is approximately one day.
            The module is read out with VMM3 ASICs fitted on prototype front-end boards.            
            Charge clusters are made up of hits from contiguous cathode strips of a layer.
            The total charge of a cluster is the sum of the peak values of the strip hits making up the cluster after pedestal subtraction.</td> 
<td align="center"><img alt="ql2c7-sum-pdo-strips.png" src="%ATTACHURL%/ql2c7-sum-pdo-strips.png" width="400" /> </td> </tr>
</td> </tr> </tbody> </table>

---+ Combined Results and Plots

<table bgcolor="#f5f5fa" border="1" cellpadding="10" cellspacing="10" style="width: 100%;"> <tbody> <tr> <td bgcolor="#eeeeee"> *Fig. 1:* *Here goes the plot title/short content description and the upload date* %BR% And here goes the detailed  and background information</td> <td align="center"><img alt="MyPlotName.png" src="%ATTACHURL%/MyPlotName.png" width="400" /></td> </tr> </tbody> </table>
---+ Electronics

<table bgcolor="#f5f5fa" border="1" cellpadding="10" cellspacing="10" style="width: 100%;"> <tbody> <tr> <td bgcolor="#eeeeee"> *Fig. 1:* *Performance of sTGC serializer: "Eye" diagram* %BR% The sTGC trigger data serializer (TDS) ASIC chip is responsible for the preparation of trigger data for both pads and strips with additional task of serializing data for transmission to the circuits on the rim of the NSW detector. The serializer is realized in IBM 130 nm CMOS technology. It is adapted from the CERN GBT serializer, with changed architecture from loading 120 bits at 40 MHz to loading 30 bits in parallel at 160 MHz. The serial output is at 4.8 Gbps. The eye diagram is evaluated in a 12.5 GHz bandwidth, 50 GS/s oscilloscope with a PRBS-31 pattern. The height of the eye is measured to be about 540 mV, and the width is about 180.3 ps. Jitter analysis shows that the total jitter at a bit-error-ratio (BER) of 1E-12 is 49.7 ps. A BER test with embedded PRBS checker inside a Xilinx 7 FPGA was also performed. An error free running of three days has been achieved, which corresponds to a BER less than 1 E-15.</td> <td align="center"><img alt="sTGC_serializer_performance.png" src="%ATTACHURL%/sTGC_serializer_performance.png" width="400" /></td> </tr> </tbody> </table>

-----

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   * [[%ATTACHURL%/Cluster_charge_meanONOFF.pdf][Cluster_charge_meanONOFF.pdf]]: Mean Micromegas cluster charge vs the incident angle</verbatim>

   * [[%ATTACHURL%/Cluster_widthONOFF.pdf][Cluster_widthONOFF.pdf]]: Cluster width Vs angle</verbatim>

   * [[%ATTACHURL%/Cluster_width_vs_HV.pdf][Cluster_width_vs_HV.pdf]]: Cluster width Vs HV</verbatim>

   * [[%ATTACHURL%/Mean_cluster_charge_vs_HV.pdf][Mean_cluster_charge_vs_HV.pdf]]: Cluster charge Vs HV</verbatim>

   * [[%ATTACHURL%/Efficiency_Layer6.pdf][Efficiency_Layer6.pdf]]: Efficiency map Layer 6</verbatim>

   * [[%ATTACHURL%/Efficiency_vs_HV.pdf][Efficiency_vs_HV.pdf]]: Efficiency Vs HV</verbatim>

   * [[%ATTACHURL%/Cluster_charge_meanONOFF.png][Cluster_charge_meanONOFF.png]]: Mean Micromegas cluster charge vs the incident angle</verbatim>

   * [[%ATTACHURL%/Cluster_widthONOFF.png][Cluster_widthONOFF.png]]: Cluster width Vs angle</verbatim>

   * [[%ATTACHURL%/Cluster_width_vs_HV.png][Cluster_width_vs_HV.png]]: Cluster width Vs HV</verbatim>

   * [[%ATTACHURL%/Mean_cluster_charge_vs_HV.png][Mean_cluster_charge_vs_HV.png]]: Cluster charge Vs HV</verbatim>

   * [[%ATTACHURL%/Efficiency_Layer6.png][Efficiency_Layer6.png]]: Efficiency map Layer 6</verbatim>

   * [[%ATTACHURL%/Efficiency_vs_HV.png][Efficiency_vs_HV.png]]: Efficiency Vs HV</verbatim>

   * [[%ATTACHURL%/ql2c7-eff-strips-1D.pdf][ql2c7-eff-strips-1D.pdf]]: sTGC strips Efficiency</verbatim>

Attachments

Topic attachments
I	Attachment	History	Action	Size	Date	Who	Comment
png	mm_single_plane_spatial_resolution.png	r1	manage	19.1 K	2014-11-18 - 01:37	OliverStelzerChilton	MM single plane spatial resolution vs incident angle
png	mmsw_precision_coordinate.png	r1	manage	36.3 K	2014-11-18 - 01:39	OliverStelzerChilton	MMSW precision coordinate resolution
png	mmsw_second_coordinate.png	r1	manage	41.1 K	2014-11-18 - 01:39	OliverStelzerChilton	MMSW second coordinate resolution
png	sTGC_residual_pixel.png	r1	manage	45.5 K	2014-11-19 - 19:57	OliverStelzerChilton	sTGC residual with respect to a pixel track
png	sTGC_standalone_residuals_exc.png	r1	manage	131.6 K	2014-11-19 - 01:26	OliverStelzerChilton	sTGC standalone exclusive resolution
png	sTGC_standalone_residuals_inc.png	r1	manage	116.8 K	2014-11-19 - 01:26	OliverStelzerChilton	sTGC standalone inclusive resolution
png	sTGC_serializer_performance.png	r1	manage	271.4 K	2014-12-01 - 19:50	OliverStelzerChilton	sTGC serializer performance
jpg	H6_hd.jpg	r1	manage	2521.4 K	2015-05-20 - 17:46	KonstantinosNtekas	Micromegas TB photo
pdf	angle_10deg_aftercor.pdf	r1	manage	15.6 K	2015-05-20 - 16:52	KonstantinosNtekas	Micromegas angular distribution for 10 degrees
pdf	angle_20deg_aftercor.pdf	r1	manage	15.8 K	2015-05-20 - 16:52	KonstantinosNtekas	Micromegas angular distribution for 20 degrees
pdf	angle_30deg_aftercor.pdf	r1	manage	16.0 K	2015-05-20 - 16:52	KonstantinosNtekas	Micromegas angular distribution for 30 degrees
pdf	angle_40deg_aftercor.pdf	r1	manage	15.9 K	2015-05-20 - 16:52	KonstantinosNtekas	Micromegas angular distribution for 40 degrees
pdf	apv.pdf	r1	manage	28.5 K	2015-05-20 - 17:17	KonstantinosNtekas	Micromegas APV integrated charge single channel example
pdf	apv_function.pdf	r1	manage	33.2 K	2015-05-20 - 17:17	KonstantinosNtekas	Micromegas APV integrated charge single channel example
pdf	display3.pdf	r1	manage	16.3 K	2015-05-20 - 17:13	KonstantinosNtekas	Micromegas track evt display
pdf	efficiency_tmm_pillarregions_centroid_perpendiculartracks.pdf	r1	manage	31.3 K	2015-05-20 - 16:52	KonstantinosNtekas	Micromegas efficiency map for different regions with respect to the pillars
pdf	efficiency_tqf_t2_centroid_30degtracks_angletext.pdf	r1	manage	18.6 K	2015-05-20 - 16:52	KonstantinosNtekas	Micromegas efficiency map for 30 degrees inclination angle
pdf	efficiency_tqf_t2_centroid_perpendiculartracks_angletext.pdf	r1	manage	19.5 K	2015-05-20 - 16:52	KonstantinosNtekas	Micromegas efficiency map for 0 degrees inclination angle
pdf	reco_angle_beforeaftercor_errors.pdf	r1	manage	15.7 K	2015-05-20 - 16:52	KonstantinosNtekas	Micromegas reconstructed angle before and after the utpc refinement
pdf	residuals_t2_t4_H4.pdf	r1	manage	18.1 K	2015-05-20 - 16:52	KonstantinosNtekas	Micromegas resolution for T chamber type
pdf	spatial_resolution_mmsw1_layer1layer2.pdf	r1	manage	18.3 K	2015-05-20 - 16:52	KonstantinosNtekas	MMSW precision coordinate resolution (layer1-layer2)
pdf	spatial_resolution_mmsw1_layer1layer34.pdf	r1	manage	18.3 K	2015-05-20 - 16:54	KonstantinosNtekas	MMSW precision coordinate resolution using the stereo strips(layer1-layer34)
pdf	spatial_resolution_mmsw1_layer2layer34.pdf	r1	manage	18.7 K	2015-05-20 - 16:54	KonstantinosNtekas	MMSW precision coordinate resolution using the stereo strips (layer2-layer34)
pdf	spatial_resolution_mmsw1_layer34ytmm6y.pdf	r1	manage	18.8 K	2015-05-20 - 16:54	KonstantinosNtekas	MMSW second coordinate resolution using the stereo strips
pdf	spatial_resolution_tmm_tmb_x.pdf	r1	manage	18.0 K	2015-05-20 - 16:54	KonstantinosNtekas	Micromegas resolution for Tmm chamber type (X readout)
pdf	spatial_resolution_tmm_tmb_y.pdf	r1	manage	17.5 K	2015-05-20 - 16:54	KonstantinosNtekas	Micromegas resolution for Tmm chamber type (Y readout)
pdf	spatial_resolution_utpc_beforeaftercor_atlasnsw.pdf	r1	manage	14.5 K	2015-05-20 - 16:54	KonstantinosNtekas	Micromegas resolution for T chamber type with utpc before and after the refinement of the method
pdf	tmm2_pillars_colz.pdf	r1	manage	261.6 K	2015-05-20 - 16:54	KonstantinosNtekas	Micromegas efficiency map from 2d hit reconstruction (col1)
pdf	tmm2_pillars_colz3.pdf	r1	manage	816.1 K	2015-05-20 - 16:54	KonstantinosNtekas	Micromegas efficiency map from 2d hit reconstruction (col2)
pdf	tmm2_pillars_colz_log_newaxes.pdf	r1	manage	1273.0 K	2015-05-20 - 16:54	KonstantinosNtekas	Micromegas efficiency map from 2d hit reconstruction (col3)
pdf	tmm2_pillars_scatter.pdf	r1	manage	843.1 K	2015-05-20 - 16:55	KonstantinosNtekas	Micromegas efficiency map from 2d hit reconstruction (scatterplot)
pdf	tmm_pillarseffect_centroid_perpendiculartracks_aligned.pdf	r1	manage	473.1 K	2015-05-20 - 16:54	KonstantinosNtekas	Micromegas effect of the pillars (bias) on the hit reconstruction
png	angle_10deg_aftercor.png	r1	manage	105.1 K	2015-05-21 - 18:27	KonstantinosNtekas
png	angle_20deg_aftercor.png	r1	manage	112.3 K	2015-05-21 - 18:27	KonstantinosNtekas
png	angle_30deg_aftercor.png	r1	manage	118.6 K	2015-05-21 - 18:27	KonstantinosNtekas
png	angle_40deg_aftercor.png	r1	manage	116.7 K	2015-05-21 - 18:27	KonstantinosNtekas
png	apv.png	r1	manage	126.6 K	2015-05-21 - 18:52	KonstantinosNtekas
png	apv_function.png	r1	manage	163.8 K	2015-05-21 - 18:52	KonstantinosNtekas
png	display3.png	r1	manage	124.4 K	2015-05-21 - 18:52	KonstantinosNtekas
png	efficiency_tmm_pillarregions_centroid_perpendiculartracks.png	r1	manage	238.0 K	2015-05-21 - 18:27	KonstantinosNtekas
png	efficiency_tqf_t2_centroid_30degtracks_angletext.png	r1	manage	88.6 K	2015-05-21 - 18:27	KonstantinosNtekas
png	efficiency_tqf_t2_centroid_perpendiculartracks_angletext.png	r1	manage	95.3 K	2015-05-21 - 18:27	KonstantinosNtekas
pdf	phiError.pdf	r1	manage	38.9 K	2015-05-21 - 10:47	KonstantinosNtekas	MC expectation for second coordinate resolution with stereo strips
png	phiError.png	r1	manage	104.9 K	2015-05-21 - 18:27	KonstantinosNtekas
png	reco_angle_beforeaftercor_errors.png	r1	manage	129.5 K	2015-05-21 - 18:27	KonstantinosNtekas
png	residuals_t2_t4_H4.png	r1	manage	168.7 K	2015-05-21 - 18:27	KonstantinosNtekas
png	spatial_resolution_mmsw1_layer1layer2.png	r1	manage	154.6 K	2015-05-21 - 18:27	KonstantinosNtekas
png	spatial_resolution_mmsw1_layer1layer34.png	r1	manage	151.1 K	2015-05-21 - 18:27	KonstantinosNtekas
png	spatial_resolution_mmsw1_layer2layer34.png	r1	manage	162.3 K	2015-05-21 - 18:27	KonstantinosNtekas
png	spatial_resolution_mmsw1_layer34ytmm6y.png	r1	manage	160.3 K	2015-05-21 - 18:27	KonstantinosNtekas
png	spatial_resolution_tmm_tmb_x.png	r1	manage	172.4 K	2015-05-21 - 18:27	KonstantinosNtekas
png	spatial_resolution_tmm_tmb_y.png	r1	manage	162.5 K	2015-05-21 - 18:27	KonstantinosNtekas
png	spatial_resolution_utpc_beforeaftercor_atlasnsw.png	r1	manage	110.0 K	2015-05-21 - 18:27	KonstantinosNtekas
png	tmm2_pillars_colz.png	r1	manage	660.0 K	2015-05-21 - 18:27	KonstantinosNtekas
png	tmm2_pillars_colz3.png	r1	manage	1359.7 K	2015-05-21 - 18:45	KonstantinosNtekas
png	tmm2_pillars_colz_log_newaxes.png	r1	manage	1273.8 K	2015-05-21 - 18:27	KonstantinosNtekas
png	tmm_pillarseffect_centroid_perpendiculartracks_aligned.png	r1	manage	346.4 K	2015-05-21 - 18:27	KonstantinosNtekas
png	gamma_ageing.png	r1	manage	61.3 K	2015-07-01 - 18:56	MarcoVanadia	Micromegas ageing studies with gamma-rays
png	neutron_ageing.png	r1	manage	95.1 K	2015-07-01 - 18:52	MarcoVanadia	Micromegas ageing studies with neutrons
png	xray_ageing.png	r1	manage	80.2 K	2015-07-01 - 18:43	MarcoVanadia	Micromegas ageing studies with x-rays
png	cluster_size.png	r1	manage	129.6 K	2020-04-23 - 09:50	BenoitLefebvre
pdf	pdo_all.pdf	r1	manage	14.1 K	2020-04-23 - 09:40	BenoitLefebvre
png	pdo_all.png	r1	manage	91.0 K	2020-04-23 - 09:44	BenoitLefebvre
png	screw.png	r1	manage	377.4 K	2020-04-23 - 10:52	BenoitLefebvre
jpg	screw_setup.jpg	r1	manage	62.5 K	2020-04-23 - 10:56	BenoitLefebvre
png	sum_pdo.png	r1	manage	87.2 K	2020-04-23 - 10:09	BenoitLefebvre
jpg	test_area.jpg	r1	manage	103.2 K	2020-04-23 - 10:55	BenoitLefebvre
jpg	xray_equipment.jpg	r1	manage	352.4 K	2020-04-23 - 10:55	BenoitLefebvre
png	ypos_collimator.png	r1	manage	233.7 K	2020-04-23 - 10:52	BenoitLefebvre
png	ypos_no_collimator.png	r1	manage	301.3 K	2020-04-23 - 10:14	BenoitLefebvre
png	yrel_no_collimator.png	r1	manage	136.2 K	2020-04-23 - 10:40	BenoitLefebvre
png	intrinsic_sp.png	r1	manage	137.1 K	2020-05-14 - 11:09	DenisPudzha
png	pdo_1.png	r1	manage	193.6 K	2020-05-14 - 11:09	DenisPudzha
png	pdo_2.png	r1	manage	314.2 K	2020-05-14 - 11:09	DenisPudzha
pdf	Cluster_charge_meanONOFF.pdf	r1	manage	15.9 K	2020-12-03 - 12:38	MauroIodice	Mean Micromegas cluster charge vs the incident angle
pdf	Cluster_widthONOFF.pdf	r1	manage	16.5 K	2020-12-03 - 12:51	MauroIodice	Cluster width Vs angle
png	Cluster_widthONOFF.png	r1	manage	91.9 K	2020-12-03 - 17:30	MauroIodice	Micromegas Cluster width Vs angle
pdf	Cluster_width_vs_HV.pdf	r1	manage	18.9 K	2020-12-03 - 12:55	MauroIodice	Cluster width Vs HV
png	Cluster_width_vs_HV.png	r1	manage	149.8 K	2020-12-03 - 17:29	MauroIodice	Micromegas Cluster width Vs HV
pdf	Efficiency_Layer6.pdf	r1	manage	30.5 K	2020-12-03 - 12:56	MauroIodice	Efficiency map Layer 6
png	Efficiency_Layer6.png	r1	manage	127.4 K	2020-12-03 - 17:32	MauroIodice	Micromegas Layer 6 Efficiency
pdf	Efficiency_vs_HV.pdf	r1	manage	19.2 K	2020-12-03 - 12:57	MauroIodice	Efficiency Vs HV
png	Efficiency_vs_HV.png	r1	manage	153.8 K	2020-12-03 - 17:32	MauroIodice	Micromegas Efficiency Vs HV
pdf	Mean_cluster_charge_vs_HV.pdf	r1	manage	18.9 K	2020-12-03 - 12:56	MauroIodice	Cluster charge Vs HV
png	Mean_cluster_charge_vs_HV.png	r1	manage	147.6 K	2020-12-03 - 17:31	MauroIodice	Micromegas cluster charge vs HV
pdf	ql2c7-eff-strips-1D.pdf	r1	manage	16.8 K	2020-12-03 - 18:45	MauroIodice	sTGC strips Efficiency
png	ql2c7-eff-strips-1D.png	r1	manage	102.3 K	2020-12-03 - 18:45	MauroIodice	sTGC strips Efficiency
pdf	ql2c7-eff-strips-2D.pdf	r1	manage	17.7 K	2020-12-03 - 18:54	MauroIodice	sTGC efficiency map
png	ql2c7-eff-strips-2D.png	r1	manage	105.1 K	2020-12-03 - 18:54	MauroIodice	sTGC efficiency map
pdf	ql2c7-noise-strips-1D.pdf	r1	manage	17.2 K	2020-12-03 - 18:54	MauroIodice	sTGC ql2c7 strip noise
png	ql2c7-noise-strips-1D.png	r1	manage	102.8 K	2020-12-03 - 18:54	MauroIodice	sTGC ql2c7 strip noise
pdf	ql2c7-noise-strips-2D.pdf	r1	manage	17.0 K	2020-12-03 - 18:55	MauroIodice	sTGC ql2c7 noise map
png	ql2c7-noise-strips-2D.png	r1	manage	107.3 K	2020-12-03 - 18:55	MauroIodice	sTGC ql2c7 noise map
pdf	ql2c7-pdo-pads.pdf	r1	manage	14.5 K	2020-12-03 - 18:56	MauroIodice	sTGC ql2c7 PDO
png	ql2c7-pdo-pads.png	r1	manage	104.3 K	2020-12-03 - 18:56	MauroIodice	sTGC ql2c7 PDO
pdf	ql2c7-pdo-strips.pdf	r1	manage	14.5 K	2020-12-03 - 18:56	MauroIodice	sTGC ql2c7 PDO
png	ql2c7-pdo-strips.png	r1	manage	110.1 K	2020-12-03 - 18:56	MauroIodice	sTGC ql2c7 PDO
pdf	ql2c7-pdo-wires.pdf	r1	manage	14.3 K	2020-12-03 - 18:56	MauroIodice	sTGC ql2c7 PDO
png	ql2c7-pdo-wires.png	r1	manage	96.3 K	2020-12-03 - 18:56	MauroIodice	sTGC ql2c7 PDO
pdf	ql2c7-raw-cluster-size.pdf	r1	manage	14.3 K	2020-12-03 - 18:57	MauroIodice	sTGC ql2c7 cluster size
png	ql2c7-raw-cluster-size.png	r1	manage	114.0 K	2020-12-03 - 18:57	MauroIodice	sTGC ql2c7 cluster size
pdf	ql2c7-sum-pdo-strips.pdf	r1	manage	14.6 K	2020-12-03 - 18:58	MauroIodice	sTGC ql2c7 strips cluster PDO
png	ql2c7-sum-pdo-strips.png	r1	manage	110.1 K	2020-12-03 - 18:58	MauroIodice	sTGC ql2c7 strips cluster PDO

Topic revision: r24 - 2021-01-11 - AndreasHoecker

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