Radiogenic neutron yield calculations for low-background experiments

被引：33
作者：
Westerdale, S. [1 ]
Meyers, P. D. [1 ]
机构：
[1] Princeton Univ, Dept Phys, Princeton, NJ 08544 USA
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2017年 / 875卷
关键词：
Dark matter; Neutron backgrounds; (alpha; n); yields; NeuCBOT; ALPHA;
D O I：
10.1016/j.nima.2017.09.007
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
Nuclear recoil backgrounds are one of the most dangerous backgrounds for many dark matter experiments. A primary source of nuclear recoils is radiogenic neutrons produced in the detector material itself. These neutrons result from fission and (alpha,n) reactions originating from uranium and thorium contamination. In this paper, we discuss neutron yields from these sources. We compile a list of (alpha,n) yields for many materials common in low-background detectors, calculated using NeuCBOT (Neutron Calculator Based On TALYS), a new tool introduced in this paper, available at https://github.com/shawest/neucbot. These calculations are compared to computations made using data compilations and SOURCES-4C. (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码：57 / 64
页数：8
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