T545 : TEM analysis(1)
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Transcript of T545 : TEM analysis(1)
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2004/5/19 GLC cal meeting 1
T545: TEM analysis(1)Trigger cutSpatial resolutionAngle measurementResponse uniformityClusterConclusion
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2004/5/19 GLC cal meeting 2
Trigger cut electronTr1 mean±2σTr3 mean±2σMu < ped 5 σCere > ped 5 σ
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2004/5/19 GLC cal meeting 3
Trigger cut pionTr1 mean±2σTr3 mean±2σMu mean±2σCere < ped 5 σ
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2004/5/19 GLC cal meeting 4
Trigger cut muonTr1 mean±2σTr3 mean±2σMu mean±2σCere < ped 5 σ6S.L. 1-20strip sum mean±2σ
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2004/5/19 GLC cal meeting 5
Spatial resolution1-4 GeV electron5 points Gaussian fit3 point Lorentzian function
]2)+([2Δ)(
max 2112max12max+= EEEEE
EEExx -
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2004/5/19 GLC cal meeting 6
Compare Gaussian fit and Lorentzian function
Gaussian Lorentzian
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2004/5/19 GLC cal meeting 7
Compare Gaussian fit and Lorentzian function
Gaussian Lorentzian
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2004/5/19 GLC cal meeting 8
Compare T517 and T545 (gauss)spatial resolution –energy
dependence
T545T517
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2004/5/19 GLC cal meeting 9
Compare T517 and T545(gauss)angle resolution –energy
dependence T517 T545
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2004/5/19 GLC cal meeting 10
Angle measurement z correction
4 GeV incFit shower curve
Use <z>
∫∫
dzzfdzzzf
z)()(
=
)exp(=)( zβAzzf α -
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2004/5/19 GLC cal meeting 11
Compare T517 and T545Angle measurement
T517 T545
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2004/5/19 GLC cal meeting 12
Response Uniformity4 GeV inc 1S.L.,6S.L.
1 S.L. 6 S.L.
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2004/5/19 GLC cal meeting 13
Compare T517 and T5452 GeV inc
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2004/5/19 GLC cal meeting 14
Compare T517 and T5452 GeV electron
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2004/5/19 GLC cal meeting 15
Scint light leak check 15,16 strip uniformityPMT configuration
1 2 3 4
5 6 7 8
910
11
12
13
14
15
Rf
16 17 18 19
20
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2004/5/19 GLC cal meeting 16
Cluster separation 4 GeV incNoise -> 0(MIP)
P.H.< ped 4 σ P.H.x + P.H.y
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2004/5/19 GLC cal meeting 17
>=3 Cluster event
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2004/5/19 GLC cal meeting 18
ConclusionSpatial resolution
5.0mm /√E (2S.L.)Angle resolution
4.5° /√E Angle measurementy=0.92x+0.26Cluster<=3 event mapping