Beam test of the CsI(Tl) calorimeter for the BELLE detector at the KEK-B factory

被引:8
作者
Ohshima, Y
Ahn, HS
Aoki, M
Awa, S
Fukushima, M
Hayashii, H
Hu, XQ
Hur, TW
Igarashi, S
Ikeda, H
Jeong, HC
Kaneyuki, K
Kim, DY
Kim, SK
Kuzmin, A
Lee, MH
Noguchi, S
Ochi, A
Sagawa, H
Sato, N
Sugiyama, I
Tamai, K
Tanimori, T
Toomi, N
Wang, TJ
Watanabe, K
Watanabe, Y
Zhong, XC
Zhu, YC
机构
[1] SEOUL NATL UNIV,DEPT PHYS,SEOUL 151742,SOUTH KOREA
[2] NARA WOMENS UNIV,DEPT PHYS,NARA 630,JAPAN
[3] KEK NAT LAB HIGH ENERGY PHYS,TSUKUBA,IBARAKI 305,JAPAN
[4] INST HIGH ENERGY PHYS,BEIJING 100039,PEOPLES R CHINA
[5] KOREA UNIV,DEPT PHYS,SEOUL 136701,SOUTH KOREA
[6] BUDKER INST NUCL PHYS,RU-630090 NOVOSIBIRSK,RUSSIA
基金
日本学术振兴会;
关键词
D O I
10.1016/0168-9002(96)00706-1
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
We studied the performance of a prototype electromagnetic calorimeter for the BELLE detector at the KEK proton synchrotron for an energy range of 0.25-3.5 GeV. The prototype consisted of an array of 6 x 5 CsI(Tl) crystals with 30 cm length (16.2 radiation lengths) and about 6 cm x 6 cm cross section. The scintillation light of each CsI(Tl) crystal was read out by two large-area PIN photodiodes and charge-sensitive preamplifiers attached at the rear face of the crystal. We measured the energy and position resolution for electrons and the e/pi separation for two sets of matrix configurations: one corresponded to the center and the other to the edge of the barrel calorimeter. The overall performance measured by the test proves that the prototype calorimeter is satisfactory for the use in the BELLE detector.
引用
收藏
页码:517 / 523
页数:7
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