Download - Muon DT software
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U.Gasparini CMS week, 11/06/02 1
Muon DT software
U.Gasparini, CMS week, 11 June 2002
- Organization
-Testbeam & cosmic run results
This talk can be found on:
http: //cms.pd.infn.it/software/talks/cmsweek0206/DTsoftware.ppt
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U.Gasparini CMS week, 11/06/02 2
Muon DT software
At last muon week (3/4/2002), an overview of the general muonsoftware status/ organization was presented, going through the different projects(ORCA,OSCAR) and subjects ( testbeam, PRS/HLT, DCS,database, calibration)
See:
http: //cms.pd.infn.it/software/talks/muweek_0204/
file : Agenda_Intro.ppt and talks referenced therein.
As far as the organization of DT software, the (current) organization is the following:
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U.Gasparini CMS week, 11/06/02 3
Muon DT sw: organizationL1 trigger simulation in ORCA: D.Bonacorsi (package coordinator, TS code) S.Vanini (BTI, TRACO code)
DT muon reco in ORCA : S. Lacaprara (muon package coord., DT reco, interface ORCA testbeam data) P. Ronchese (digitization)
Testbeam software : S. Vanini (monitoring), P.Ronchese (offline analysis), A.Meneguzzo, U.G.
Cosmic run tests : A.Meneguzzo, F.Cavallo, U.G.
DT measurement database: M.Passaseo, P. Checchia
Construction database: M.Passaseo, ...(1st workshop: yesterday)Detector DescriptionDatabase : ..... (=> 1st DDD workshop: 4th July 2002)DCS : M.Bellato... Calibration : .....Alignment : F. Matorras, C. Martines
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U.Gasparini CMS week, 11/06/02 4
Monday 10th June
Agenda :
- F. Cavallari Introduction 10'- R. Breedon Muon Endcap DB 10'- I. Vorobiev Muon Endcap DB 20'- D. Contardo Tracker DB 30'- M. Passaseo Muon Drift Tubes DB 20‘ -P. De Barbaro Hcal DB 20' - E. Auffray Ecal Construction and Assembly 15'- Z. Kovacs Ecal DB 30'- F. Van Lingen Outlook and General DB issues 30'- common discussion
CMS Detector Construction Database Workshop
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U.Gasparini CMS week, 11/06/02 5
DT testbeam & cosmic run data analysis
Summary:
- Test beam data analysis:
- mainly x-check of known results (MB2, testbeam 2001) - test of algorithms in controlled conditions... - used in cosmic test on MB3 chambers built in Legnaro - used in current local pattern rec. for HLT studies - Cosmic test data analysis on MB3 chambers in Legnaro
A.Meneguzzo, F.Cavallo, S.Vanini, P.Ronchese, M.Zanetti, U.G.
Also special thanks to M.De Giorgi, F.Gonella
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U.Gasparini CMS week, 11/06/02 6
Test beam data analysis
dN(t)/dt
N(t)
Time box, MB2, run 883 (= 0)
SL 1 SL 2“Effective” vdrift fit:
Tmax (TDC counts)
Res.rms
Residuals (cm)
TDC counts
N(t)
dN/dt
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U.Gasparini CMS week, 11/06/02 7
Test beam data analysis
TDC counts
378 ns
vdrift = 55.6 m/ns
(with
= 0
= 15ovdrift = + 0.9 %
Tmax = (T1+T3)/2 + T2
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U.Gasparini CMS week, 11/06/02 8
Test beam data analysis
x2 x1 23.55 cm
= 0
x2- x1 (cm)
m
slope
1.6 0.1 mrad
1.4 mm(dominated by extrap.error)
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U.Gasparini CMS week, 11/06/02 9
Test beam data analysis
= 0 Slope measurement in single SuperLayers
SL1
SL2
Slope
FullChamber
2.4 mrad
7.8 mrad
7.9 mrad
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U.Gasparini CMS week, 11/06/02 10
Test beam data analysis
= 0 Slope measurement in r-phi plane:
2.4 mrad
(dominated by beam divergency)
Slopes in different regions
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U.Gasparini CMS week, 11/06/02 11
Test beam data analysis
= 0 Residuals in Phi SL (8 points local segment):
160 mLayer 4
Layer 3
Layer 2
Layer 1
cm
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U.Gasparini CMS week, 11/06/02 12
Test beam data analysis
= 15o
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U.Gasparini CMS week, 11/06/02 13
Test beam data analysis
slope
x
SL2
SL1
x
Effect of wrong (~1%) vdrift (at fixed muon direction)
= 15o
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U.Gasparini CMS week, 11/06/02 14
Test beam data analysis
After correction for “effective” vdrift:
slope
= 15oSL1
SL2
Fullchamber
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U.Gasparini CMS week, 11/06/02 15
Test beam data analysisslope
x(cm)
Slopes in different regions
= 15o
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U.Gasparini CMS week, 11/06/02 16
Test beam data analysis
= 15o
220 m
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U.Gasparini CMS week, 11/06/02 17
Cosmic run data in Legnaro
- 4 chambers (MB3_01, MB3_02, MB3_03, MB3_04 ) have been assembled and tested under cosmic run in Legnaro
-each single SL has HV tests, pressure tests, noise/rate test, dead-channel test… with scalers before chamber assembling => not speak about it here…
Assembled chambers are the then put on a cosmic station test(1/2 chamber per time is tested) and a full DAQ => local rec. chain (ORCA, running on Obj.database; all data stored/archived there)
Results (noise,cell efficiency, MT measured in cosmic runs) stored in ‘database’on Web (M.Passaseo, P. Checchia):
http: //www.pd.infn.it/dbcms
(also: wire position measurements in SL,…)
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U.Gasparini CMS week, 11/06/02 18
Cosmic run data
Full MB3 chamber in Legnaro:
cosmic angle (rad)
x (cm)
½ chamber instrumented in this run
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U.Gasparini CMS week, 11/06/02 19
Cosmic run data
MB3_03
28116 m
0.20.15 mrad
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U.Gasparini CMS week, 11/06/02 20
Cosmic run data
270 m
(all angles)
Lay1
Lay2
Lay3
Lay4
MB3_03/ SL1
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U.Gasparini CMS week, 11/06/02 21
Cosmic run data
MB3_0276523 m
2.9 0.2 mrad
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U.Gasparini CMS week, 11/06/02 22
Cosmic run data
-41423 m
-43930 m
-45034 m
-28536 m
L4
L1
L2
L3
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U.Gasparini CMS week, 11/06/02 23
Cosmic run data
114538 m
111733 m
108531 m
104728 m
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U.Gasparini CMS week, 11/06/02 24
Cosmic run data
MB3_02, after correction(shift by 140 m L1 in SL1)
-0.7 0.2 mrad
- 34423 m
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U.Gasparini CMS week, 11/06/02 25
Cosmic run data
Summary:
Chamber Phi1-Phi2 slope Resolution ( m) misalignment ( m) (rad) (8 point fit residuals)
MB3_01
MB3_02 345 2.9 0.2 280
MB3_03 280 0.20 0.15 260
MB3_04 610 0.80 0.20 240
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U.Gasparini CMS week, 11/06/02 26
Cosmic run data
SL1 SL2Tmax fits:
= 0-5o
= 15-20o
= 10-15o
= 5-10o
MB3_03
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U.Gasparini CMS week, 11/06/02 27
Cosmic run data
Tmax vs
SL1
SL2
Theta (deg)
MB3_03