SNO+ 探测器水相中利用部署源的光学标定
仪器与探测器
2021-10-20 v2 高能物理 - 实验
核实验
摘要
SNO+ 是一个大规模液体闪烁体实验，主要目标是搜寻无中微子双贝塔衰变，位于加拿大萨德伯里 SNOLAB 地下约 2 km 处。该探测器自 2017 年 5 月起作为纯水切伦科夫探测器获取数据达两年。在此期间，利用部署的光漫射球对探测器的光学性质进行了原位测量，旨在改进探测器模型及能量响应的系统不确定性。所测参数包括水衰减系数、丙烯酸容器的有效衰减系数，以及光电倍增管及其周围聚光器的角响应，均跨越不同波长。经标定的探测器模型利用一个部署的带标签伽马源进行了验证，显示在主靶体积内能量刻度变化为 0.6%。
引用
@article{arxiv.2106.03951,
title = {Optical calibration of the SNO+ detector in the water phase with deployed sources},
author = {SNO+ Collaboration and : and M. R. Anderson and S. Andringa and M. Askins and D. J. Auty and F. Barão and N. Barros and R. Bayes and E. W. Beier and A. Bialek and S. D. Biller and E. Blucher and M. Boulay and E. Caden and E. J. Callaghan and J. Caravaca and M. Chen and O. Chkvorets and B. Cleveland and D. Cookman and J. Corning and M. A. Cox and C. Deluce and M. M. Depatie and F. Di Lodovico and J. Dittmer and E. Falk and N. Fatemighomi and V. Fischer and R. Ford and K. Frankiewicz and A. Gaur and K. Gilje and O. I. González-Reina and D. Gooding and C. Grant and J. Grove and A. L. Hallin and D. Hallman and J. Hartnell and W. J. Heintzelman and R. L. Helmer and J. Hu and R. Hunt-Stokes and S. M. A. Hussain and A. S. Inácio and C. J. Jillings and T. Kaptanoglu and P. Khaghani and H. Khan and J. R. Klein and L. L. Kormos and B. Krar and C. Kraus and C. B. Krauss and T. Kroupová and I. Lam and B. J. Land and A. LaTorre and I. Lawson and L. Lebanowski and C. Lefebvre and A. Li and J. Lidgard and Y. H. Lin and Y. Liu and V. Lozza and M. Luo and A. Maio and S. Manecki and J. Maneira and R. D. Martin and N. McCauley and A. B. McDonald and M. Meyer and C. Mills and I. Morton-Blake and S. Nae and M. Nirkko and L. J. Nolan and H. M. O'Keeffe and G. D. Orebi Gann and J. Page and W. Parker and J. Paton and S. J. M. Peeters and T. Pershing and L. Pickard and G. Prior and P. Ravi and A. Reichold and S. Riccetto and R. Richardson and M. Rigan and J. Rose and J. Rumleskie and I. Semenec and F. Shaker and M. K. Sharma and P. Skensved and M. Smiley and R. Stainforth and R. Svoboda and B. Tam and J. Tseng and E. Turner and S. Valder and E. Vázquez-Jáuregui and J. G. C. Veinot and C. J. Virtue and J. Wang and M. Ward and J. J. Weigand and J. R. Wilson and A. Wright and J. P. Yanez and M. Yeh and S. Yu and T. Zhang and Y. Zhang and K. Zuber and A. Zummo},
journal= {arXiv preprint arXiv:2106.03951},
year = {2021}
}
备注
Accepted by JINST (30 pages, 19 figures)