r19 - 31 Jul 2008 - 08:28:55 - ReginaMolesYou are here: TWiki >  Atlas Web  >  SiliconForwardTracker > SiAlignment > AlignmentReprocessingFDR2

FDR2 Alignment Reprocessing

Introduction

This topic is dedicated to explain the troubles and results during the FDR2 data reprocessing.

Release and tags used for the Reprocessing exercise

Release used: 14.1.0

Checkout the necessary packages: tags for 14.1.0

  • InDetAlignExample package:
    • cmt co -r InDetAlignExample-00-00-39 InnerDetector/InDetExample/InDetAlignExample
  • InDetAlignRecExample package:
    • cmt co -r InDetRecExample-01-08-51 InnerDetector/InDetExample/InDetRecExample
  • Required package to run with cosmics:
    • cmt co -r InDetCosmicRecExample-00-03-65 InnerDetector/InDetExample/InDetCosmicRecExample

NOTE: The principal change respect the packages used for FDR2 is the new tag: SiGlobalChi2Algs-00-01-45 ( Fix the hit global position bug for release 14)

Studies for the Reprocessing FDR2 data

LEVEL 1:

TEST 1:

Samples used:

  • BS: Single Particles + Cosmics (120k + 50k): /castor/cern.ch/user/b/bvendapi/FDR2_Pi/BS_files/CalibStream/
  • RDO: Single Particles + Cosmics (120k + 50k): /castor/cern.ch/user/b/bvendapi/FDR2_Pi/RDO/
Properties to run
  • BeamSpot set to (0,0,0)
  • TrkConstraint = 4
  • InversePtConstCut = 0.0001
  • TrkD0_ErrorFactor = 1.0
  • ModCut = -1
  • Without SoftModCut

Level1 Studies RDO
Setup Level Sample ES Detectors # Events Trk::Tracks AlignTrks (used) AlignHits (used) Summary plots Cosmic Events Cosmic plots
Nominal L1 RDO Yes Silicon 120000 116567 99851(50045) 860034(470467) ps 46514 ps
Iter_1 L1 RDO Yes Silicon 120000 115929 103306(66507) 932975(647358) ps 45118 ps
Iter_2 L1 RDO Yes Silicon 120000 120408 103584(70618) 950646(695120) ps 46514 ps
Iter_3 L1 RDO Yes Silicon 120000 120609 103805(70618) 950646(695120) ps 46514 ps
Iter_4 L1 RDO Yes Silicon 120000 127014 103899(72540) 960598(717626) ps 46514 ps

The evolution of the constants: pdf

Level1 Studies BS
Setup Level Sample ES Detectors # Events Trk::Tracks AlignTrks (used) AlignHits (used) Summary plots Cosmic Events Cosmic plots
Nominal L1 BS Yes Silicon 120000 132700 114721(57023) 987344(535127) ps 46514 ps
Iter_1 L1 BS Yes Silicon 120000 137349 119559(76603) 1078296(744174) ps 46514 ps
Iter_2 L1 BS Yes Silicon 120000 137592 119919(81100) 1098405(79685) ps 46514 ps
Iter_3 L1 BS Yes Silicon 120000 137817 120189(82502) 1106610(813778) ps 46514 ps
Iter_4 L1 BS Yes Silicon 120000 137876 120289(83502) 1110611(824515) ps 46514 ps

The evolution of the constants: pdf

NOTA: We don't have the same number of tracks with RDO and BS because the BS files are filtered.

TEST 2 : Study with BeamSpot from DB

  • RDO: Single Particles + Cosmics (120k + 50k): /castor/cern.ch/user/b/bvendapi/FDR2_Pi/RDO/
Level1 Studies RDO with beamSpot from DB
Setup Level ES Detectors # Events Trk::Tracks AlignTrks (used) AlignHits (used) Summary plots Cosmic Events Cosmic plots
Nominal L1 Yes Silicon 120000 132593 114920(57054) 988831(535905) ps 46514 ps
Iter_1 L1 Yes Silicon 120000 136629 119281(76447) 1076613(743570) ps 46514 ps
Iter_2 L1 Yes Silicon 120000 136992 119741(80844) 1096853(794788) ps 46514 ps
Iter_3 L1 Yes Silicon 120000 137119 119938(82134) 1104344(810711) ps 46514 ps

The evolution of the constants: ps

Perfect Geometry Studies

We used the following files:
/castor/cern.ch/user/b/bvendapi/FDR2_Pi/BS_files/CalibStream/
Geometry description( Perfect ) : ATLAS-CSC-02-01-00

Perfect Geometry Studies
Setup Level ES Detectors # Events Trk::Tracks AlignTrks (used) AlignHits (used) SoftModeCut Summary Constants Hitmap Cons. plots
Perfect L1 No Silicon 120000 145677 128757 (116907) 1472821(1370937) No ps txt    
Perfect L2 No Silicon 120000 145677 128757 (116907) 1472821(1370937) No ps txt txt pdf
Perfect L2 No Silicon 500000 609284 536254(486501) 6132832(5705196) No ps txt txt pdf
Perfect L3 No Silicon 400000 487007 428853 (389130) 4904516 (4563085) No ps txt    
Perfect L3 No Silicon 400000 487007 428853 (389130) 4904516 (4563085) Yes ps txt    
Perfect L3 No Si-DoubleCone 500000 609284 536254 (209899) 6132832 (2341354) No pdf txt txt  
Perfect L3 No Si-DoubleCone 500000 609284 536254 (209899) 6132832 (2341354) Yes txt pdf txt txt  
Perfect L3 No Si-DoubleCone 500000 609284 536254 (209899) 6132832 (2341354) Yes (x10) txt pdf txt txt  

Results during the IDWeek

  • Started from nominal position (CSC-00-00-00)
  • Beamspot used: txt
Iter Level Collision Cosmics Options Constants
Iter Level Events Align tracks (used) Plots Events Align tracks (used) Plots
0 1 30.000 28.596 (14.249) pdf 46.514 11.744 (11.302) pdf Error Scaling On, Softmodecut off, ModCut = 2 txt
1 1 30.000 29.741 (19.457) pdf 46.514 11.755 (11.307) pdf Error Scaling On, Softmodecut off, ModCut = 4 txt
2 1 30.000 29.777 (20.164) pdf 46.514 11.756 (11.308) pdf Error Scaling On, Softmodecut off, ModCut = 4 txt
3 2 120.000 119.809 (82.453) pdf 46.514 11.754 (11.305) pdf Error Scaling On, Softmodecut on txt, ModCut = 4 txt
4 2 120.000 128.197 (113.909) pdf 46.514 11.751 (11.301) pdf Error Scaling On, Softmodecut on txt, ModCut = 4 txt
5 2 120.000 126.954 (105.607) pdf 46.514 11.757 (11.306) pdf Error Scaling Off, Softmodecut on txt, ModCut = 4 txt
6 2 1.056.452 1.116.259 (932.450) pdf N/A N/A N/A Error Scaling Off, Softmodecut on txt txt
7 2 1.056.452 1.132.564 (1.026.352) pdf N/A N/A N/A Error Scaling Off, Softmodecut on txt txt

Reconstruction with the last constants (Only Si) : pdf

-- Main.moles - 04 Jul 2008

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txttxt IDWeek_Iter6_Softmodecut.txt manage 1.3 K 25 Jul 2008 - 15:02 VicenteLacuesta IDWeek Level 3 Softmodecut
txttxt IDWeek_Iter3_Softmodecut.txt manage 1.0 K 25 Jul 2008 - 15:03 VicenteLacuesta IDWeek Level 2 Softmodecut
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