Public Muon Spectrometer Plots for Collision Data

Introduction

Approved plots that can be shown by ATLAS speakers at conferences and similar events.
Please do not add figures on your own. Contact the responsible project leader in case of questions and/or suggestions.

See the Muon combined performance public plots page for muon performance results.

Figures

Title	Plots and more info	Date
RPC performance in full 2018 dataset: Preliminary Public Plots by Muon Performance and Muon RPC Groups	Plots, more info; ATL-COM-MUON-2018-065	November 2018
Momentum calibration validation with Υ→μμ using 2015 and 2016 data: Preliminary Public Plots	Plots, more info; ATL-COM-PHYS-2018-1627	November 2018
Reconstruction efficiency on full 2018 pp data set using Z→μμ events: Preliminary Public Plots	Plots, more info; ATL-COM-PHYS-2018-1624	November 2018
Z→μμ reconstruction efficiency studies on 2018 pp data: Preliminary Public Plots	Plots, more info; ATL-COM-PHYS-2018-1236	September 2018
Low-pT Muon Selection: Preliminary Public Plots	Plots, more info; ATL-COM-PHYS-2018-844	July 2018
Reconstruction Efficiency for Muons Close to Jets: Preliminary Public Plots	Plots, more info; ATL-COM-PHYS-2018-939	July 2018
Momentum resolution improvements with the inclusion of the Alignment Errors On Track: Preliminary Public Plots by Muon Performance and Muon Software Groups	Plots, more info; ATL-COM-PHYS-2018-826	June 2018
Optimization of Isolation Selection at High-μ: Preliminary Public Plots	Plots, more info; ATL-COM-PHYS-2018-733	June 2018
Muon performance plots with first 2018 data: efficiency, scale and resolution	Plots, more info; ATL-COM-PHYS-2018-661	May 2018
High-µ Muon Reconstruction and Isolation Studies on 2017 Data	Plots, more info; ATL-COM-PHYS-2017-1684	November 2017
Isolation selection efficiency with improved background subtraction on 2016 Data	Plots, more info; ATL-COM-PHYS-2017-1685	November 2017
Muon Phase II TDR: Preliminary Public Plots	Plots, more info; ATL-COM-PHYS-2017-1581	October 2017
Muon reconstruction early performance in 2017 collision data (15.4/fb)	Plots, more info	September 2017
Muon reconstruction performance in 2016 collision data (33.3/fb)	Plots, more info	March 2017
Muon reconstruction performance in 2016 collision data (10.6/fb)	Plots, more info	July 2016
Muon alignment performance for run 2	Plots, more info; ATL-COM-MUON-2016-017	May 2016
Muon reconstruction performance in early 2016 collision data	Plots, more info;
Plots on RPC / L1 Muon Barrel Trigger Performance in 2015	Plots; ATL-COM-MUON-2016-005	Feb 2016
Performance plots on impact parameter reconstruction	Plots, more info; ATL-COM-MUON-2015-099	Dec 2015
Performance plots based on the EOYE calibration	Plots, more info; ATL-COM-MUON-2015-093	Dec 2015
Single hit resolution in Run 2	Plots, more info; ATL-COM-MUON-2015-069	Oct 2015
Plots for Summer 2015 PubNote (LeptonPhoton) based on 85 pb of 50 ns data	Plots, more info; ATL-PHYS-PUB-2015-037	Jul 2015
More MCP public plots on 2015 collision data (6pb-1)	Plots, more info; ATL-COM-MUON-2015-030	Jul 2015
First MCP public plots on 2015 collision datan(6pb-1)	Plots, more info; ATL-COM-MUON-2015-029	Jul 2015
2015 J/Psi and Z events to mu mu	Plots, more info; Events	Jul 2015
Acceptance plots for phase-II upgrade of the RPC L1 Barrel muon system	Plots, more info; ATL-COM-MUON-2015-013	May 2015
MDT Tube Resolution and Efficiency	Plots, more info; ATL-COM-MUON-2014-046	Dec 2014
Upgrades: Expected Muon Momentum Resolution for Different High-Eta Extension Scenarios	Plots, more info; ATL-COM-PHYS-2014-1329	Nov 2014
RPC cavern background plots	Plots, more info; ATL-COM-MUON-2014-044	Feb 2014
L1 Rate Reduction by adding RPCs to BIS7,8	Plots, more info; ATL-COM-MUON-2014-008	Feb 2014
RPC efficiency, coverage, and timing in 2012 data	Plots, more info; ATL-COM-MUON-2014-009	Feb 2014
RPC time resolution after off-line calibration in 2011 data	Plots, more info; ATLAS-PLOT-MUON-2012-001	Mar 2012
RPC efficiency, coverage, and timing in 2011 data	Plots, more info; ATLAS-PLOT-MUON-2012-001	Mar 2012
TGC alignment in 2011 data	Plots, more info; ATLAS-PLOT-MUON-2012-004	May 2012
MDT drift tube spatial resolution	Plots, more info; ATLAS-PLOT-MUON-2011-006	Nov 2011
Performance of the muon alignment system in 2011 data (release 16)	Plots, more info; ATL-COM-PHYS-2011-460	May 2011
MDT calibrations in 2010 and early 2011 data taking periods	Plots, more info; ATLAS-PLOT-MUON-2011-002	June 2011
Performance of the muon alignment system in 2011 data (release 17)	Plots, more info; ATLAS-PLOT-MUON-2011-003	Sep 2011
RPC Cavern Background measurements	Plots, more info; ATLAS-PLOT-MUON-2011-005	Oct 2011

Figures

A clear-cut description of the figure on the right hand side.	Link to figure, or direct upload to TWiki. Please provide a png (or gif, jpg) and an eps version. Do not forget the "ATLAS preliminary" label on the plot.
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Fig. 1: Drift time spectrum in the ATLAS MDT chambers.
Fig. 2: Space time relationship of the ATLAS MDT chambers.
Fig. 3: Occupancy in the MDT chambers in beam splash events.
Fig. 4: Raw TDC spectra for beams 1 and 2 in splash events.
Fig. 5: Comparison of the MDT chamber t0s obtained for beams 1 and 2 in splash events.
Fig. 6: Comparison of the MDT chamber t0s obtained with beam splash events in 2009 and 2010.
Fig. 7: Maximum MDT drift time as measured by the gas monitor chamber as a function of the time.
Fig. 8: MDT chamber t0s obtained from segment fits using the beam spash t0 constants.
Fig. 9: MDT segment residuals with beam splash t0s. The hit under consideration is excluded from the segment fit. The fitted curve is a double Gaussian function. Centre-of-mass energy: 900 GeV.
Fig. 10: MDT segment residuals with beam splash t0s. The hit under consideration is excluded from the segment fit. The fitted curve is a double Gaussian function. Centre-of-mass energy: 7 TeV.
Fig. 11: MDT segment residuals with beam splash t0s as a function of the distance of the reconstructed segment from the anode wire of the tube under consideration. The hit under consideration is included in the segment fit. The fitted curve is a double Gaussian function. Centre-of-mass energy: 7 TeV.

Links

• Link to the group's main TWiki

Responsible: Project leaders
Last reviewed by: Never reviewed

• muon-TDC-spectrum.png:
  

• Distributions of times to create calibration ntuples at the Rome Calibration center for time period 15-Jul-2012 to 10-Oct-2012:
  

• Distributions of times to create calibration ntuples at the Rome Calibration center for time period 15-Jul-2012 to 10-Oct-2012 vs date:
  

• Example of MDT DQMF plots from produced with calibration stream on a calibration splitter for chamber BIL1A01, for run 208261:
  

• Difference of T0s (T0 - initial T0) averaged over all MDT chambers for calibrations performed from April 8 2012 to Oct 15 2012:
  

• Diagram of ATLAS MDT calibration loop from the formation of the calibration stream in the level-2 trigger processors, transfer of calibration stream to calibration centers, ntuple creation and calibrations at calib centers, and loading of COOL DB with calibration constants:
  

• L1 Rate Reduction by Adding RPCs to BIS: The picture shows in black the difference between the Eta coordinate of mboy segments reconstrucet in BIS7 chamber and the Eta coordinate of L1MU20 ROIs, using data from a 25 ns enhanced bias stream. The DeltaEta calculated using ROIs associated to positive muons is drawn in red, while the one calculated using ROIs associated to negative muons is drawn in blue. Applying a cut of |DeltaEta|<0.04 it is possible to reject about 40% of background, especially low pT muons.: