Study of n-γ discrimination by zero-crossing method with SiPM based scintillation detectors

被引：17

作者：

Grodzicka-Kobylka, M. ^{[1
]}

Szczesniak, T. ^{[1
]}

Moszynski, M. ^{[1
]}

Swiderski, L. ^{[1
]}

Wolski, D. ^{[1
]}

Baszak, J. ^{[2
]}

Korolczuk, S. ^{[1
]}

Schotanus, P. ^{[3
]}

机构：

[1] Natl Ctr Nucl Res, A Soltana 7, PL-05400 Otwock, Poland

[2] Hamamatsu Photon Deutschland GmbH, Arzbergerstr 10, D-82211 Herrsching, Germany

[3] Scionix, POB 143, NL-3980 CC Bunnik, Netherlands

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2018年 / 883卷

关键词：

n/gamma discrimination; Stilbene; EJ299-33; plastic; MPPC arrays; PULSE-SHAPE DISCRIMINATION; SILICON PHOTOMULTIPLIERS; ORGANIC SCINTILLATORS; LIQUID SCINTILLATORS; NEUTRON DETECTORS; PERFORMANCE; READOUT; TESTS; PET;

D O I：

10.1016/j.nima.2017.11.045

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The paper presents a study of n/gamma discrimination with 4x4 ch and 8x8 ch Multi Pixel Photon Counter (MPPC) arrays in neutron detectors based on Stilbene and EJ299-33 plastic scintillators. The n/gamma discrimination showed an excellent capability of the MPPC arrays, comparable to that observed earlier with the classical PMTs. Particularly, an application of a zero-crossing method of n - gamma discrimination prevented deterioration of the discrimination by the slow response of the Silicon Photomultiplier (SiPM, or MPPC interchangeably) array related to its large capacitance. It was confirmed by a good agreement of the Figure of Merit normalized to the number of photoelectrons determined for the MPPC arrays and XP5500 PMT. (c) 2017 Published by Elsevier B.V.

引用

页码：159 / 165

页数：7

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