selection studies comparison between ctalk, no ctalk, first pad selected 22/05/20081simone brusa,...
TRANSCRIPT
![Page 1: SELECTION STUDIES Comparison between Ctalk, No Ctalk, first pad selected 22/05/20081Simone Brusa, INFN-Ferrara](https://reader030.vdocuments.us/reader030/viewer/2022032516/56649c785503460f9492d16a/html5/thumbnails/1.jpg)
SELECTION STUDIES
Comparison between Ctalk, No Ctalk, first pad selected
22/05/2008 1Simone Brusa, INFN-Ferrara
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OUTLINE
22/05/2008 Simone Brusa, INFN-Ferrara 2
1.B off
Aligned scenario
Misaligned scenario in X:M4Aside=3mm, M4Cside=-6mm
2.B on
Aligned scenario
Misaligned scenario in X:M4Aside=3mm, M4Cside=-6mm
Three differents possibility for each of them (in order of analisys):
1.Ctalk (big pad);
2.No Ctalk;
3.First pad selected;
New geometry and the last version of Gauss, Boole, Brunel are used in all the scenarios . M1-M5 are the fixed stations.
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22/05/2008 Simone Brusa, INFN-Ferrara 3
X residual distributions Boff, Aligned
No C
talk first pad
Ctalk
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22/05/2008 Simone Brusa, INFN-Ferrara 4
X residual distributions Bon Aligned
Ctalk
No C
talkF
irst pad
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22/05/2008 Simone Brusa, INFN-Ferrara 5
Y residual distributions Boff, Aligned
Ctalk
No C
talkF
irst pad
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22/05/2008 Simone Brusa, INFN-Ferrara 6
Y residual distributions Bon Aligned
Ctalk
No C
talkF
irst pad
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22/05/2008 Simone Brusa, INFN-Ferrara 7
X residual distributions Boff, Misaligned
Ctalk
No C
talkF
irst pad
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22/05/2008 Simone Brusa, INFN-Ferrara 8
X residual distributions Bon, Misaligned
Ctalk
No C
talkF
irst pad
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22/05/2008 Simone Brusa, INFN-Ferrara 9
Y residual distributions Boff, Misaligned
Ctalk
No C
talkF
irst pad
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22/05/2008 Simone Brusa, INFN-Ferrara 10
Y residual distributions Bon, Misaligned
Ctalk
No C
talkF
irst pad
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B off, A
ligned, first pad, Ctalk
22/05/2008 Simone Brusa, INFN-Ferrara 11
M5
M4
M3
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22/05/2008 Simone Brusa, INFN-Ferrara 12
B on, A
ligned, first pad, Ctalk
M5
M4
M3
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B off, Misaligned, first pad (R1 black, R2 red, R3 green, R4 blue), Ctalk the others one in each region 1/2
22/05/2008 Simone Brusa, INFN-Ferrara 13
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22/05/2008 Simone Brusa, INFN-Ferrara 14
B off, Misaligned, first pad (R1 black, R2 red, R3 green, R4 blue), Ctalk the others one in each region 2/2
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B on, Misaligned, first pad (R1 black, R2 red, R3 green, R4 blue), Ctalk the others one in each region 1/2
22/05/2008 Simone Brusa, INFN-Ferrara 15
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22/05/2008 Simone Brusa, INFN-Ferrara 16
B on, Misaligned, first pad (R1 black, R2 red, R3 green, R4 blue), Ctalk the others one in each region 2/2
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# Of tracks comparison
22/05/2008 Simone Brusa, INFN-Ferrara 17
B off Aligned B off Misaligned B on Aligned B on Misaligned
Region Ctalk No Ctalk % Ctalk No Ctalk % Ctalk No Ctalk % Ctalk No Ctalk %
R1 5416 2536 46 5344 2493 46 5518 2325 42 10846 4565 42
R2 15357 7427 48 15426 7443 48 19340 8120 42 38465 16187 42
R3 40804 16037 40 40838 15938 39 52800 16062 30 103267 31922 32
R4 80869 52317 65 81268 56640 70 101536 58372 57 200793 116268 58
The total number of processed tracks are not the same for all the cases
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RESULTS FROM THE COMPARISONS
Case Ctalk No Ctalk First pad
X, B off, Aligned Ok
X, B on, Aligned Ok
Y, B off, Aligned Ok
Y, B on, Aligned Ok
X, B off, Misaligned
Ok
X, B on, Misaligned
Ok
Y, B off, Misaligned
Ok
Y, B on, Misaligned
Ok
22/05/2008 Simone Brusa, INFN-Ferrara 18
But I think that rebbining for the chamber dimensions in the case of Y, we can use the Ctalk (big pad) without troubles
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CONCLUSIONS
• I think that the best selection for us is to use the “PADONE” for several reasons:
- Shape of X (Y rebbining) residual distributions
- Number of tracks respect No Ctalk selection
22/05/2008 Simone Brusa, INFN-Ferrara 19