A detailed test of the CsI(Tl) calorimeter for BELLE with photon beams of energy between 20 MeV and 5.4 GeV

被引:76
|
作者
Ikeda, H
Satpathy, A
Ahn, BS
Aulchenko, VM
Bondar, AE
Cheon, BG
Chu, TH
Fukushima, M
Garmash, AY
Hayashii, H
Jang, HK
Kaneyuki, K
Kazui, K
Kezerashvili, GY
Kim, HJ
Kremyanskaya, EV
Kuzmin, AS
Lee, MH
Miyabayashi, K
Muchnoi, NY
Naumenkov, AI
Noguchi, S
Park, CS
Popov, VG
Protopopov, IY
Pogorelov, YA
Romanov, LV
Root, NI
Sagawa, H
Shatilov, DN
Sidorov, AV
Simonov, EA
Shwartz, BA
Tamai, K
Tsukamoto, T
Usov, YV
Watanabe, Y
Zhilich, VN
机构
[1] High Energy Accelerator Res Org, KEK, Tsukuba, Ibaraki 3050801, Japan
[2] Nara Womens Univ, Dept Phys, Nara 630, Japan
[3] Utkal Univ, Dept Phys, Bhubaneswar 751004, Orissa, India
[4] Korea Univ, Dept Phys, Seoul 136701, South Korea
[5] Budker Inst Nucl Phys, Novosibirsk 630090, Russia
[6] Seoul Natl Univ, Dept Phys, Seoul 151142, South Korea
[7] Tokyo Inst Technol, Dept Phys, Tokyo 152, Japan
[8] Yonsei Univ, Dept Phys, Seoul 120749, South Korea
关键词
D O I
10.1016/S0168-9002(99)00992-4
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
The results of a beam test of a prototype of the BELLE CsI(Te) calorimeter are reported. The test used beams of photons with energies spanning the range from 20 MeV to 5.4 GeV, produced at ROKK-1M facility of the Budker Institute of Nuclear Physics. The single-counter energy-equivalent noise was measured to be similar to 200 keV. The design goals for the energy resolution, e.g. 4% at 20 MeV and 1.7% at 5.4 GeV, were achieved using the sum of energy deposits in a 5 x 5 crystal matrices with a single crystal energy threshold of 0.5 MeV; the summed energy deposit measured in the array corresponds to 97 +/- 2% of the incident photon energy over the entire energy range. The average position resolution for 470 MeV energy photons was measured to be 8 mm. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:401 / 426
页数:26
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