基于^6Li掺杂脉冲分形判别塑料光敏器的反应器反中子探测器原型
仪器与探测器
2025-11-12 v2 高能物理 - 实验
摘要
描述了一个包含36个^6Li掺杂脉冲形态敏感塑料光敏器条形的2维阵列构成的地面60kg反应器反中子探测器原型。每根条形长度为50cm，十字截面为5.5cm。掺杂^6Li浓度为质量的0.1%，该探测器能够识别反应器反中子通过逆碰撞β衰变反应的相关能量沉积。每根条形被漆面反射材料包裹，将光子引导至两端安装的PMT。本文概述了该系统的构建、关键特征及主要性能特征。该系统依赖于多个可观测量，如脉冲形态分离(PSD)、能量、位置和时间，能够检测IBD类中子相关背景、长寿命衰变链以及宇宙射线同位素。
引用
@article{arxiv.2505.05696,
title = {A prototype reactor-antineutrino detector based on $^6$Li-doped pulse-shaping-discriminating plastic scintillator},
author = {O. Benevides Rodrigues and E. P. Bernard and N. S. Bowden and C. Bravo and R. Carr and T. M. Classen and A. J. Conant and S. A. Dazeley and M. T. Dunbrack and S. R. Durham and A. S. Erickson and A. Haghighat and K. M. Heeger and P. Huber and A. Irani and O. Kyzylova and V. A. Li and J. M. Link and B. R. Littlejohn and F. Machado and M. P. Mendenhall and H. P. Mumm and J. Newby and C. Roca and J. Ross and F. Sutanto and K. Walkup and J. Wilhelmi and X. Zhang},
journal= {arXiv preprint arXiv:2505.05696},
year = {2025}
}
备注
Accepted version (Physical Review Applied)