A detailed test of a BSO calorimeter with 100-800 MeV positrons

被引：18

作者：

Ishikawa, T. ^{[1
]}

Fujimura, H. ^{[1
]}

Hashimoto, R. ^{[1
]}

Kaida, S. ^{[1
]}

Kasagi, J. ^{[1
]}

Kitazawa, R. ^{[1
]}

Kuwasaki, S. ^{[1
]}

Nakamura, A. ^{[1
]}

Nawa, K. ^{[1
]}

Okada, Y. ^{[1
]}

Sato, M. ^{[1
]}

Shimizu, H. ^{[1
]}

Suzuki, K. ^{[1
]}

Tajima, Y. ^{[2
]}

Takahashi, S. ^{[1
]}

Tsuchikawa, Y. ^{[1
]}

Yamazaki, H. ^{[1
]}

Yoshida, H. Y. ^{[2
]}

机构：

[1] Tohoku Univ, Res Ctr Elect Photon Sci, Sendai, Miyagi 9820826, Japan

[2] Yamagata Univ, Dept Phys, Yamagata 9908560, Japan

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2012年 / 694卷

关键词：

Bismuth silicate; BSO; EM calorimeter; BISMUTH SILICATE BI4SI3O12; ETA PHOTOPRODUCTION; CRYSTALS; SCINTILLATORS; BI4GE3O12; LNS; BGO;

D O I：

10.1016/j.nima.2012.08.085

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

A performance test has been made for an electro-magnetic calorimeter prototype comprised four identical BSO crystals arranged in a 2 x 2 matrix by utilizing a positron beam in the energy range from 100 to 800 MeV. The size of each crystal is 40 x 40 x 210 mm(3). This is the world's largest BSO single crystal ever used as a photon detector. The obtained energy resolution is (sigma(E)/E)(2) = ((1.71% +/- 0.03%)/root E)(2) + (1.12% +/- 0.08%)(2) at room temperature, where E is the incident positron energy given in GeV. A BGO calorimeter having the same geometry has been employed in the performance test for comparison. The basic scintillation characteristics of BSO crystals measured without the beam are also presented. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：348 / 360

页数：13

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