使用溶解氡-220源的XENON100校准结果
仪器与探测器
2017-04-27 v2
摘要
为了应对吨量级液态惰性元素探测器校准中的挑战，在XENON100暗物质探测器上部署了一个Rn-220源。我们表明，Pb-212的β发射可用于暗物质搜寻中的低能电子反冲校准。该同位素扩散到探测器的整个活跃区域，并且在源关闭后一周内其活度自然衰减至本底水平以下。我们发现校准后麻烦的Rn-222本底活度没有增加。α发射体也分布在整个探测器中，并有助于校准其对Rn-222的响应。利用Rn-220/Po-216的延迟符合，我们首次绘制了XENON100探测器中粒子的对流运动图。此外，我们对Po-212的半衰期进行了具有竞争力的测量，t = 293.9+-(1.0)+-(0.6) ns。
引用
@article{arxiv.1611.03585,
title = {Results from a Calibration of XENON100 Using a Source of Dissolved Radon-220},
author = {The XENON Collaboration and E. Aprile and J. Aalbers and F. Agostini and M. Alfonsi and F. D. Amaro and M. Anthony and F. Arneodo and P. Barrow and L. Baudis and B. Bauermeister and M. L. Benabderrahmane and T. Berger and P. A. Breur and A. Brown and E. Brown and S. Bruenner and G. Bruno and R. Budnik and L. Butikofer and J. Calven and J. M. R. Cardoso and M. Cervantes and D. Cichon and D. Coderre and A. P. Colijn and J. Conrad and J. P. Cussonneau and M. P. Decowski and P. dePerio and P. DiGangi and A. DiGiovanni and S. Diglio and E. Duchovni and G. Eurin and J. Fei and A. D. Ferella and A. Fieguth and D. Franco and W. Fulgione and A. Gallo Rosso and M. Galloway and F. Gao and M. Garbini and C. Geis and L. W. Goetzke and L. Grandi and Z. Greene and C. Grignon and C. Hasterok and E. Hogenbirk and R. Itay and B. Kaminsky and G. Kessler and A. Kish and H. Landsman and R. F. Lang and D. Lellouch and L. Levinson and M. LeCalloch and Q. Lin and S. Lindemann and M. Lindner and J. A. M. Lopes and A. Manfredini and I. Maris and T. Marrodan Undagoitia and J. Masbou and F. V. Massoli and D. Masson and D. Mayani and Y. Meng and M. Messina and K. Micheneau and B. Miguez and A. Molinario and M. Murra and J. Naganoma and K. Ni and U. Oberlack and S. E. A. Orrigo and P. Pakarha and B. Pelssers and R. Persiani and F. Piastra and J. Pienaar and M. -C. Piro and G. P lante and N. Priel and L. Rauch and S. Reichard and C. Reuter and A. Rizzo and S. Rosendahl and N. Rupp and R. Saldanha and J. M. F. dosSantos and G. Sartorelli and M. Scheibelhut and S. Schindler and J. Schreiner and M. Schumann and L. Scotto Lavina and M. Selvi and P. Shagin and E. Shockley and M. Silva and H. Simgen and M. v. Sivers and A. Stein and D. Thers and A. Tiseni and G. Trinchero and C. Tunnell and N. Upole and H. Wang and Y. Wei and C. Weinheimer and J. Wulf and J. Ye and Y. Zhang},
journal= {arXiv preprint arXiv:1611.03585},
year = {2017}
}