Investigations and corrections of the light output uniformity of CsI(Tl) crystals

被引：11
|
作者：
van Goethem, MJ
Wallace, MS
Nett, BE
Famiano, MA
Herner, KR
Oostdyk, DJ
Mocko, M
Lynch, WG
Tsang, MB
Schotanus, P
Telfer, J
Clark, HL
Moroni, A
de Souza, R
Sobotka, LG
机构：
[1] Michigan State Univ, Dept Phys & Astron, Natl Superconducting Cyclotron Lab, E Lansing, MI 48824 USA
[2] Scionix, NL-3980 CC Bunnik, Netherlands
[3] Thermo Hilger Crystals, Margate CT9 4JL, Kent, England
[4] Texas A&M Univ, Inst Cyclotron, Coll Stn, College Stn, TX 77840 USA
[5] Dipartimento Fis, I-20133 Milan, Italy
[6] Ist Nazl Fis Nucl, I-20133 Milan, Italy
[7] Indiana Univ, Dept Chem, Bloomington, IN 47405 USA
[8] Indiana Univ, IUCF, Bloomington, IN 47405 USA
[9] Washington Univ, Dept Chem, St Louis, MO 63130 USA
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2004年 / 526卷 / 03期
基金：
美国国家科学基金会;
关键词：
scintillators-light output; CsI(Tl) detectors; scintillator non-uniformity; resolution;
D O I：
10.1016/j.nima.2004.02.038
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The dependencies of the light output response of CsI(TI) crystals for various charged particle beams are investigated. Measurements were performed using 5.5 MeV Am-241 alpha particles, 220 MeV alpha and 110 MeV deuteron beams from the K500 Cyclotron at Texas A&M University, and p, H-2, He-3, Li-6, and Be-7 beams from the Coupled Cyclotron Facility at Michigan State University. These measurements reveal a clear correlation between the non-uniformities observed in the same crystal for the various beams. Particle dependent global corrections were applied, resulting in final light output uniformities of the order of 0.1%. Annealed and non-annealed CsI(TI) detectors and crystals with different thalium dopings are compared to determine whether annealing reduces the local variations in the light output. No significant correlation with the crystal fabrication process is observed. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：455 / 476
页数：22
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