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

页码：129 / 134

页数：6

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