XENON100 暗物质实验的中子本底
天体物理仪器与方法
2015-06-16 v2 仪器与探测器
摘要
安装于格兰萨索国家实验室 (LNGS) 地下的 XENON100 实验旨在通过弱相互作用大质量粒子 (WIMPs) 与氙核的弹性散射直接探测暗物质。本文介绍了对该实验核反冲本底的研究，考虑了由探测器和屏蔽材料中的天然放射性引起的 (,n) 反应和自发裂变产生的中子本底，以及缪子诱导的中子。基于蒙特卡洛模拟并利用所有探测器组件测得的放射性污染数据，我们预测了 XENON100 实验在 2011 年和 2012 年发布的 WIMP 搜寻结果对应的核反冲本底，分别为 0.11 个事件和 0.17 个事件，并得出结论认为它们并未限制实验的灵敏度。
引用
@article{arxiv.1306.2303,
title = {The neutron background of the XENON100 dark matter experiment},
author = {E. Aprile and M. Alfonsi and K. Arisaka and F. Arneodo and C. Balan and L. Baudis and B. Bauermeister and A. Behrens and P. Beltrame and K. Bokeloh and A. Brown and E. Brown and G. Bruno and R. Budnik and J. M. R. Cardoso and W. -T. Chen and B. Choi and A. P. Colijn and H. Contreras and J. P. Cussonneau and M. P. Decowski and E. Duchovni and S. Fattori and A. D. Ferella and W. Fulgione and F. Gao and M. Garbini and C. Ghag and K. -L. Giboni and L. W. Goetzke and C. Grignon and E. Gross and W. Hampel and F. Kaether and A. Kish and J. Lamblin and H. Landsman and R. F. Lang and M. Le Calloch and C. Levy and K. E. Lim and Q. Lin and S. Lindemann and M. Lindner and J. A. M. Lopes and K. Lung and T. Marrodan Undagoitia and F. V. Massoli and A. J. Melgarejo Fernandez and Y. Meng and M. Messina and A. Molinario and K. Ni and U. Oberlack and S. E. A. Orrigo and E. Pantic and R. Persiani and G. Plante and N. Priel and A. Rizzo and S. Rosendahl and J. M. F. dos Santos and G. Sartorelli and J. Schreiner and M. Schumann and L. ScottoLavina and P. R. Scovell and M. Selvi and P. Shagin and H. Simgen and A. Teymourian and D. Thers and E. Tziaferi and O. Vitells and H. Wang and M. Weber and C. Weinheimer},
journal= {arXiv preprint arXiv:1306.2303},
year = {2015}
}