Pulse-shape discrimination with PbWO4 crystal scintillators

被引：29
作者：
Bardelli, L. [1 ,2 ]
Bini, M. [1 ,2 ]
Bizzeti, P. G. [1 ,2 ]
Danevich, F. A. [3 ]
Fazzini, T. F. [1 ,2 ]
Krutyak, N. [4 ]
Kobychev, V. V. [3 ]
Maurenzig, P. R. [1 ,2 ]
Mokina, V. M. [3 ]
Nagorny, S. S. [3 ]
Pashkovskii, M. [5 ]
Poda, D. V. [3 ]
Tretyak, V. I. [3 ]
Yurchenko, S. S. [3 ]
机构：
[1] Univ Florence, Dipartimento Fis, I-50019 Florence, Italy
[2] Ist Nazl Fis Nucl, I-50019 Florence, Italy
[3] Inst Nucl Res, UA-03680 Kiev, Ukraine
[4] Moscow MV Lomonosov State Univ, Skobeltsyn Inst Nucl Phys, Moscow 119992, Russia
[5] Ivan Franko Natl Univ, Dept Semicond Phys, UA-79005 Lvov, Ukraine
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2008年 / 584卷 / 01期
关键词：
scintillation detector; PbWO4; crystals; doping; pulse-shape discrimination;
D O I：
10.1016/j.nima.2007.10.021
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
Light output, alpha/beta ratio, and pulse shape have been investigated at -25 degrees C with PbWO4 crystal scintillators undoped, and doped by F, Eu, Mo, Gd and S. The fast 0.01-0.06 mu s and middle 0.1-0.5 mu s components of scintillation decay were observed for all the samples. Slow components of scintillation signal with decay times 1-3 and 13-28 mu s with total intensity up to approximate to 50% have been recognized for several samples doped by Molybdenum. We found some indications of a pulse-shape discrimination between alpha particles and gamma quanta with PbWO4 (Mo doped) crystal scintillators. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：129 / 134
页数：6
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