通过 $\alpha-\alpha$ 延迟符合在低温量热器中识别本底
仪器与探测器
2021-08-16 v2 核实验
数据分析、统计与概率
摘要
放射性污染的定位与建模是超低本底实验持续面临的挑战。这些既是提取科学结果的基本步骤，也是进一步降低探测器本底的基本步骤。在此我们提出一种基于分析 Th 与 U 衰变链中 延迟符合的创新技术，该技术为研究 CUPID-0 实验中 ZnSe 晶体的污染而开发。此方法依据作为 衰变位置函数的延迟符合标记概率的不同，能够区分探测器的表面与体污染。
引用
@article{arxiv.2105.04409,
title = {Background identification in cryogenic calorimeters through $\alpha-\alpha$ delayed coincidences},
author = {O. Azzolini and J. W. Beeman and F. Bellini and M. Beretta and M. Biassoni and C. Brofferio and C. Bucci and S. Capelli and L. Cardani and P. Carniti and N. Casali and D. Chiesa and M. Clemenza and O. Cremonesi and A. Cruciani and I. Dafinei and A. D'Addabbo and S. Di Domizio and F. Ferroni and L. Gironi and A. Giuliani and P. Gorla and C. Gotti and G. Keppel and M. Martinez and S. Nagorny and M. Nastasi and S. Nisi and C. Nones and D. Orlandi and L. Pagnanini and M. Pallavicini and L. Pattavina and M. Pavan and G. Pessina and V. Pettinacci and S. Pirro and S. Pozzi and E. Previtali and A. Puiu and C. Rusconi and K. Schäffner and C. Tomei and M. Vignati and A. Zolotarova},
journal= {arXiv preprint arXiv:2105.04409},
year = {2021}
}