Digital pulse shape analysis for the capture-gated liquid scintillator BC-523A

被引：27

作者：

Flaska, Marek ^{[1
]}

Pozzi, Sara A. ^{[1
]}

机构：

[1] Univ Michigan, Dept Nucl Engn & Radiol Sci, Ann Arbor, MI 48109 USA

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2009年 / 599卷 / 2-3期

关键词：

Capture-gated detector; Liquid scintillator; Neutron spectroscopy; Special nuclear material; PLASTIC SCINTILLATOR; FAST-NEUTRONS; GAMMA-RAYS; DISCRIMINATION; SPECTROMETER;

D O I：

10.1016/j.nima.2008.10.030

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The BC-523A detector is a boron-10-loaded liquid scintillation detector that is sensitive to not only fast neutrons and gamma rays, but also to thermal neutrons. This detector has recently attracted the attention of several researchers and has shown promise for neutron spectroscopy. Several efforts have been made to accurately characterize this detector for several neutron and gamma-ray energies. In this paper, we show, for the first time, that neutron capture pulses can be visually distinguished from neutron scattering pulses by using an offline digital pulse shape discrimination method based on charge integration. In addition, new Monte Carlo simulation and measurement results for time to capture are compared and reasonable agreement is achieved. This work has applications in fields such as nuclear safeguards, nuclear nonproliferation, and national security. (c) 2008 Elsevier B.V. All rights reserved.

引用

页码：221 / 225

页数：5

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