Study of the radiation hardness of CsI(Tl) crystals for the BELLE detector

被引：21

作者：

Kazui, K

Watanabe, A

Osone, S

Cheon, BG

Fukushima, M

Hayashii, H

Hu, XQ

Ichizawa, S

Igarashi, S

Ikeda, H

Kaneyuki, K

Lee, MH

Miyabayashi, K

Noguchi, S

Sagawa, H

Satpathy, A

Suzuki, R

Tamai, K

Tsukamoto, T

Watanabe, Y

Zhong, XC

机构：

[1] NARA WOMENS UNIV,DEPT PHYS,KITA KU,NISHI,NARA 630,JAPAN

[2] SEOUL NATL UNIV,DEPT PHYS,SEOUL 151742,SOUTH KOREA

[3] KEK NAT LAB HIGH ENERGY PHYS,TSUKUBA,IBARAKI 305,JAPAN

[4] INST HIGH ENERGY PHYS,BEIJING 100039,PEOPLES R CHINA

[5] UTKAL UNIV,DEPT PHYS,BHUBANESWAR 751004,ORISSA,INDIA

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1997年 / 394卷 / 1-2期

关键词：

D O I：

10.1016/S0168-9002(97)00643-8

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The radiation hardness of prototype CsI(Tl) crystals has been tested for the barrel electromagnetic calorimeter for the BELLE detector of the KEK B factory. Although samples made by one of the producers were found to be soft under irradiation, the problem was quickly improved when this information was fed back. All the tested crystals were found to meet our requirement. The light output was found to be almost uniform along a crystal, even when the front part was damaged by radiation. The damage causes a degradation of the attenuation length due to the formation of color centers; this conclusion was confirmed by a Monte Carlo ray-tracing study.

引用

页码：46 / 56

页数：11

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