nEXO中采用分段瓦片进行电荷读出的模拟
仪器与探测器
2019-10-21 v2 核实验
摘要
nEXO是一项拟议中的实验，旨在吨量级液氙时间投影室（TPC）中搜寻Xe的无中微子双贝塔衰变（）。nEXO TPC将配备电荷收集瓦片以构成阳极。本工作中，利用专用模拟软件包研究了该阳极设计的电荷重建性能。开发了多变量方法和深度神经网络，以区分模拟的信号与探测器材料微量天然放射性所产生的本底。这些模拟表明，采用电荷收集瓦片的nEXO TPC展现出区分信号与本底的良好能力。相对于nEXO预概念设计报告中估计的灵敏度，此处考虑的多变量（深度神经网络）方法将衰变的半衰期灵敏度估计值提高了约20（32）%。
引用
@article{arxiv.1907.07512,
title = {Simulation of charge readout with segmented tiles in nEXO},
author = {Z. Li and W. R. Cen and A. Robinson and D. C. Moore and L. J. Wen and A. Odian and S. Al Kharusi and G. Anton and I. J. Arnquist and I. Badhrees and P. S. Barbeau and D. Beck and V. Belov and T. Bhatta and J. P. Brodsky and E. Brown and T. Brunner and E. Caden and G. F. Cao and L. Cao and C. Chambers and B. Chana and S. A. Charlebois and M. Chiu and B. Cleveland and M. Coon and A. Craycraft and J. Dalmasson and T. Daniels and L. Darroch and S. J. Daugherty and A. De St. Croix and A. Der Mesrobian-Kabakian and R. DeVoe and M. L. Di Vacri and J. Dilling and Y. Y. Ding and M. J. Dolinski and A. Dragone and J. Echevers and M. Elbeltagi and L. Fabris and D. Fairbank and W. Fairbank and J. Farine and S. Ferrara and S. Feyzbakhsh and R. Fontaine and A. Fucarino and G. Gallina and P. Gautam and G. Giacomini and D. Goeldi and R. Gornea and G. Gratta and E. V. Hansen and M. Heffner and E. W. Hoppe and J. Hößl and A. House and M. Hughes and A. Iverson and A. Jamil and M. J. Jewell and X. S. Jiang and A. Karelin and L. J. Kaufman and D. Kodroff and T. Koffas and R. Krücken and A. Kuchenkov and K. S. Kumar and Y. Lan and A. Larson and K. G. Leach and B. G. Lenardo and D. S. Leonard and G. Li and S. Li and C. Licciardi and Y. H. Lin and P. Lv and R. MacLellan and T. McElroy and M. Medina-Peregrina and T. Michel and B. Mong and K. Murray and P. Nakarmi and C. R. Natzke and R. J. Newby and Z. Ning and O. Njoya and F. Nolet and O. Nusair and K. Odgers and M. Oriunno and J. L. Orrell and G. S. Ortega and I. Ostrovskiy and C. T. Overman and S. Parent and A. Piepke and A. Pocar and J. -F. Pratte and V. Radeka and E. Raguzin and S. Rescia and F. Retière and M. Richman and T. Rossignol and P. C. Rowson and N. Roy and J. Runge and R. Saldanha and S. Sangiorgio and K. Skarpaas VIII and A. K. Soma and G. St-Hilaire and V. Stekhanov and T. Stiegler and X. L. Sun and M. Tarka and J. Todd and T. Tolba and T. I. Totev and R. Tsang and T. Tsang and F. Vachon and V. Veeraraghavan and S. Viel and G. Visser and C. Vivo-Vilches and J. -L. Vuilleumier and M. Wagenpfeil and M. Walent and Q. Wang and M. Ward and J. Watkins and M. Weber and W. Wei and U. Wichoski and S. X. Wu and W. H. Wu and X. Wu and Q. Xia and H. Yang and L. Yang and Y. -R. Yen and O. Zeldovich and J. Zhao and Y. Zhou and T. Ziegler},
journal= {arXiv preprint arXiv:1907.07512},
year = {2019}
}