用于 nEXO 的 $^{127}$Xe 校准源研制
仪器与探测器
2022-08-03 v1 核实验
摘要
我们研究了一种使用 Xe 电子俘获源对 nEXO 实验进行校准的可能技术。nEXO 是下一代无中微子双贝塔衰变（）搜寻实验，将采用一个5吨级整体式液氙时间投影室（TPC）。既作源又作探测介质的氙将被富集至 Xe 含量90%。为优化事件重建与能量分辨率，需要校准以映射探测器响应随位置和时间的变化。Xe 的半衰期为36.3天，且其 值相较于 Xe 较小，可在正常运行期间于探测器中持续维持低活度而不引入额外本底，从而实现探测器响应的原位校准与监测。本工作中我们描述了源的生产流程与初步实验测试。随后我们利用模拟来预测该源校准 nEXO TPC 光与电荷响应空间修正的精度。
引用
@article{arxiv.2201.04681,
title = {Development of a $^{127}$Xe calibration source for nEXO},
author = {B. G. Lenardo and C. A. Hardy and R. H. M. Tsang and J. C. Nzobadila Ondze and A. Piepke and S. Triambak and A. Jamil and G. Adhikari and S. Al Kharusi and E. Angelico and I. J. Arnquist and V. Belov and E. P. Bernard and A. Bhat and T. Bhatta and A. Bolotnikov and P. A. Breur and J. P. Brodsky and E. Brown and T. Brunner and E. Caden and G. F. Cao and L. Cao and B. Chana and S. A. Charlebois and D. Chernyak and M. Chiu and J. R. Cohen and R. Collister and J. Dalmasson and T. Daniels and L. Darroch and R. DeVoe and M. L. di Vacri and Y. Y. Ding and M. J. Dolinski and J. Echevers and B. Eckert and M. Elbeltagi and L. Fabris and D. Fairbank and W. Fairbank and J. Farine and Y. S. Fu and G. Gallina and P. Gautam and G. Giacomini and W. Gillis and C. Gingras and R. Gornea and G. Gratta and K. Harouaka and M. Heffner and E. Hein and J. Hößl and A. House and A. Iverson and X. S. Jiang and A. Karelin and L. J. Kaufman and R. Krücken and A. Kuchenkov and K. S. Kumar and A. Larson and K. G. Leach and D. S. Leonard and G. Li and S. Li and Z. Li and C. Licciardi and R. Lindsay and R. MacLellan and J. Masbou and K. McMichael and M. Medina Peregrina and B. Mong and D. C. Moore and K. Murray and J. Nattress and C. R. Natzke and X. E. Ngwadla and K. Ni and Z. Ning and J. L. Orrell and G. S. Ortega and I. Ostrovskiy and C. T. Overman and A. Perna and T. Pinto Franco and A. Pocar and J. F. Pratte and N. Priel and E. Raguzin and G. J. Ramonnye and H. Rasiwala and K. Raymond and G. Richardson and M. Richman and J. Ringuette and P. C. Rowson and R. Saldanha and S. Sangiorgio and X. Shang and A. K. Soma and F. Spadoni and V. Stekhanov and X. L. Sun and S. Thibado and A. Tidball and J. Todd and T. Totev and O. A. Tyuka and F. Vachon and V. Veeraraghavan and S. Viel and K. Wamba and Y. Wang and Q. Wang and W. Wei and L. J. Wen and U. Wichoski and S. Wilde and W. H. Wu and W. Yan and L. Yang and O. Zeldovich and J. Zhao and T. Ziegler},
journal= {arXiv preprint arXiv:2201.04681},
year = {2022}
}
备注
24 pages, 16 figures