Difference: FlavourTaggingApprovedPlots (1 vs. 3)

Revision 32010-12-06 - PatrickJussel

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META TOPICPARENT name="FlavourTaggingPublicResultsCollisionData"
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META TOPICPARENT name="Atlas.FlavourTaggingPublicResultsCollisionData"
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FlavourTaggingApprovedPlots

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Approved plots from 900 GeV Collision Data

Changed:
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On this page you can find a collection of approved plots. For more recent plots, please check also the CONF notes.
>
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On this page you can find a collection of approved plots. For more recent plots, please check also the CONF notes.
  Contacts for these plots: Christian Weiser, Gordon Watts

Revision 22010-05-10 - PatrickJussel

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META TOPICPARENT name="FlavourTaggingPublicResultsCollisionData"
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FlavourTaggingApprovedPlots

Revision 12010-05-07 - JanStillings

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META TOPICPARENT name="FlavourTaggingPublicResultsCollisionData"
Warning
Can't INCLUDE Atlas.AtlasPublicTopic repeatedly, topic is already included.
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FlavourTaggingApprovedPlots

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Approved plots from 900 GeV Collision Data

On this page you can find a collection of approved plots. For more recent plots, please check also the CONF notes.

Contacts for these plots: Christian Weiser, Gordon Watts

Distribution of the transverse impact parameter, computed with respect to the reconstructed event primary vertex after having excluded the track under consideration from the vertex fit.
The following track selection criteria have been applied:
-pt > 1 GeV
-|eta| < 2.0
-at least 1 hit in the first pixel layer (b-layer)
eps-file
gif-file

ImpactParameter_d0_pt1GeV.gif
Distribution of the transverse impact parameter, computed with respect to the reconstructed event primary vertex after having excluded the track under consideration from the vertex fit.
The following track selection criteria have been applied:
-pt > 3 GeV
-|eta| < 2.0
-at least 1 hit in the first pixel layer (b-layer)
eps-file
gif-file
ImpactParameter_d0_pt3GeV.gif

The resolution of the transverse impact parameter, computed with respect to the reconstructed event primary vertex after having excluded the track under consideration from the vertex fit, as a function of 1/p^2sin^3(theta). The resolution in each bin is obtained from the result of a Gaussian fit within +- 3 sigma. It includes the effect of the primary vertex resolution, which may be significant at low 1/p^2sin^3(theta)
The following track selection has been applied:
Pt > 0.5 GeV
|eta| < 1.2
# Silion hits > 5
# b-layer hits = 1
where the tight cut on eta restricts us to the barrel region since the parameterisation explicitly describes a cylindrical geometry.
The resolution increases with 1/p^2sin^3(theta) showing the effect of multiple scattering and the similar slopes in the data and MC suggest a good description of the material.
eps-file
png-file

d0res.png

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<!--For significant updates to the topic, consider adding your 'signature' (beneath this editing box)-->
Major updates:
-- JanStillings - 07-May-2010

<!--Person responsible for the page: 
Either leave as is - the creator's name will be inserted; 
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Responsible: JanStillings
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Last reviewed by: Never reviewed

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