2004/5/19 GLC cal meeting 1

T545： TEM　 analysis(1)Trigger cutSpatial resolutionAngle measurementResponse uniformityClusterConclusion

2004/5/19 GLC cal meeting 2

Trigger cut electronTr1 mean±2σTr3 mean±2σMu < ped 5 σCere > ped 5 σ

2004/5/19 GLC cal meeting 3

Trigger cut pionTr1 mean±2σTr3 mean±2σMu mean±2σCere < ped 5 σ

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

2004/5/19 GLC cal meeting 5

Spatial resolution1-4 GeV electron5 points Gaussian fit3 point Lorentzian function

]2)+([2Δ)(

max 2112max12max+= EEEEE

EEExx -

2004/5/19 GLC cal meeting 6

Compare Gaussian fit and Lorentzian function

Gaussian Lorentzian

2004/5/19 GLC cal meeting 7

Compare Gaussian fit and Lorentzian function

Gaussian Lorentzian

2004/5/19 GLC cal meeting 8

Compare T517 and T545 (gauss)spatial resolution –energy

dependence

T545T517

2004/5/19 GLC cal meeting 9

Compare T517 and T545(gauss)angle resolution –energy

dependence T517 T545

2004/5/19 GLC cal meeting 10

Angle measurement z correction

4 GeV incFit shower curve

Use <z>

∫∫

dzzfdzzzf

z)()(

=

)exp(=)( zβAzzf α -

2004/5/19 GLC cal meeting 11

Compare T517 and T545Angle measurement

T517 T545

2004/5/19 GLC cal meeting 12

Response Uniformity4 GeV inc 1S.L.,6S.L.

1 S.L. 6 S.L.

2004/5/19 GLC cal meeting 13

Compare T517 and T5452 GeV inc

2004/5/19 GLC cal meeting 14

Compare T517 and T5452 GeV electron

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

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

2004/5/19 GLC cal meeting 17

>=3 Cluster event

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