triggerCsI(resolution) delay(circuit,cable)

triggerCsI(resolution) &
delay(circuit,cable)
G.Koreki
1
Gate幅によるtriggerCsI
1275keV分解能比較
• Gate幅比較
– 7μs 2μs 4.5μs
• それぞれGateについて pol(1) + gausで
フィット
– 7μ
μsが
が一番分解能が
一番分解能が高い
• それぞれのGateのシグナル部を抜き出し、
ピークを揃えてプロット
2
赤:7μs 青:2μs マジェ:4.5μs
file1comp
triggerCsI Red:7microsec Blue:2microsec Magenta:4.5microsec
counts/s/keV
Entries
1.279e+07
Mean
1249
RMS
116.7
1
10-1
1000
1100
1200
1300
1400
1500
keV
3
7μs
triggerCsI 7microsec
Entries
1.279e+07
χ2 / ndf 1.287e+04 / 198
20000
18000
Data
Background fit
Signal fit
16000
Global Fit
Constant 1.069e+04 ± 27
Slope
-4.954 ± 0.021
Constant 1.589e+04 ± 38
14000
Mean
Sigma
12000
1276 ± 0.1
38.39 ± 0.08
10000
8000
6000
4000
800
900
1000
1100
1200
1300
1400
1500
1600
keV
4
2μs
triggerCsI 2microsec
Entries
1.279e+07
χ2 / ndf 1.793e+04 / 210
18000
Data
Background fit
Signal fit
16000
Constant
Slope
Global Fit
14000
8785 ± 24.4
-3.952 ± 0.019
Constant 1.443e+04 ± 33
Mean
12000
Sigma
1277 ± 0.1
41.83 ± 0.08
10000
8000
6000
4000
2000
800
900
1000
1100
1200
1300
1400
1500
1600
keV
5
4.5μs
triggerCsI 4.5microsec
Entries
χ2 / ndf 1.713e+04 / 205
20000
18000
16000
1.279e+07
9603 ± 25.6
Data
Background fit
Signal fit
Constant
Global Fit
Constant 1.566e+04 ± 36
Slope
14000
Mean
12000
Sigma
-4.395 ± 0.020
1276 ± 0.1
38.83 ± 0.07
10000
8000
6000
4000
2000
800
900
1000
1100
1200
1300
1400
1500
1600
keV
6
triggerCsI 各gate幅 シグナル比較
triggerCsIsignal Red:7microsec Blue:2microsec Magenta:4.5microsec
1
0.8
0.6
0.4
0.2
0
1000
1100
1200
1300
1400
1500
7
回路とケーブル比較
• delay circuit vs delay cable
– (signal)どちらも分解能は変わらない
– (pedestal)NaISUMはほんの少し良くなった
8
CsISUM
9
NaISUM
10
CsISUM Pedestal
11
NaISUM Pedestal
12