Recent developments in deuterated scintillators for neutron measurements at low-energy accelerators

被引：9

作者：

Becchetti, F. D. ^{[1
]}

Raymond, R. S. ^{[1
]}

Torres-Isea, R. O. ^{[1
]}

Di Fulvio, A. ^{[2
]}

Clarke, S. D. ^{[2
]}

Pozzi, S. A. ^{[2
]}

Febbraro, M. ^{[3
]}

机构：

[1] Univ Michigan, Dept Phys, Ann Arbor, MI 48109 USA

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

[3] Oak Ridge Natl Lab, Oak Ridge, TN 37830 USA

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2017年 / 874卷

基金：

美国国家科学基金会;

关键词：

Neutron detection; Organic scintillators; Deuterated scintillators; LIQUID SCINTILLATORS; EJ315;

D O I：

10.1016/j.nima.2017.08.034

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Deuterated (H-2-based) organic scintillators, unlike conventional H-1-based scintillators can generate pulse-shape gated neutron energy spectra 1 to 30 MeV without need for time-of-flight (ToF). They are especially appropriate for measurements at high-intensity, low-energy accelerators where a pulsed beam is not available. Even when the latter is available, the loss in effective beam intensity combined with the need for suitable long-path ToF measurements can be very inefficient. In contrast, as we demonstrate, arrays of d-benzene scintillators (NE230, BC537, EJ315) and recently xylene-d10 (EJ301D) together with related digital signal processing (DSP) can provide highly efficient neutron energy measurements w/o n-ToF. We also report the recent synthesis and initial testing of crystalline d-stilbene as a neutron detector. (C) 2017 Elsevier B.V. All rights reserved.

引用

页码：72 / 78

页数：7

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