在 LUX 中将轻 WIMP 搜寻扩展至单闪烁光子
宇宙学与河外天体物理
2020-02-19 v2 天体物理仪器与方法
高能物理 - 实验
仪器与探测器
摘要
我们提出一种用于液氙时间投影室的新分析技术，其通过依赖具有由单个探测光子组成的瞬发闪烁信号的事件来实现更低阈值。LUX 暗物质实验的能量阈值主要由可探测的最小闪烁响应决定，此前该响应在其光电倍增器阵列中需双符合信号，并于数据分析中强制执行。本文提出的技术利用了某些光电倍增管型号在真空紫外波长下观测到的双光电子发射效应。我们利用电子反冲校准数据集演示了该分析，并借助 2013 年 LUX 数据集对弱相互作用大质量粒子(WIMPs)的自旋无关散射截面给出了低至 2.5 GeV/c WIMP 质量的新限制。该新技术有望增强下一代液氙实验中的轻 WIMP 与天体物理中微子搜寻。
引用
@article{arxiv.1907.06272,
title = {Extending light WIMP searches to single scintillation photons in LUX},
author = {D. S. Akerib and S. Alsum and H. M. Araújo and X. Bai and A. J. Bailey and J. Balajthy and A. Baxter and P. Beltrame and E. P. Bernard and A. Bernstein and T. P. Biesiadzinski and E. M. Boulton and B. Boxer and P. Brás and S. Burdin and D. Byram and S. B. Cahn and M. C. Carmona-Benitez and C. Chan and A. A. Chiller and C. Chiller and A. Currie and J. E. Cutter and L. de Viveiros and A. Dobi and J. E. Y. Dobson and E. Druszkiewicz and B. N. Edwards and C. H. Faham and S. R. Fallon and A. Fan and S. Fiorucci and R. J. Gaitskell and V. M. Gehman and J. Genovesi and C. Ghag and K. R. Gibson and M. G. D. Gilchriese and E. Grace and C. Gwilliam and C. R. Hall and M. Hanhardt and S. J. Haselschwardt and S. A. Hertel and D. P. Hogan and M. Horn and D. Q. Huang and C. M. Ignarra and R. G. Jacobsen and O. Jahangir and W. Ji and K. Kamdin and K. Kazka and D. Khaitan and R. Knoche and E. V. Korolkova and S. Kravitz and V. A. Kudryavtsev and N. A. Larsen and E. Leason and C. Lee and B. G. Lenardo and K. T. Lesko and C. Levy and J. Liao and J. Lin and A. Lindote and M. I. Lopes and B. López-Paredes and A. Manalaysay and R. L. Mannino and N. Marangou and M. F. Marzioni and D. N. McKinsey and D. M. Mei and J. Mock and M. Moongweluwan and J. A. Morad and A. St. J. Murphy and A. Naylor and C. Nehrkorn and H. N. Nelson and F. Neves and A. Nilima and K. O'Sullivan and K. C. Oliver-Mallory and K. J. Palladino and E. K. Pease and L. Reichhart and Q. Riffard and G. R. C. Rischbieter and P. Rossiter and S. Shaw and T. A. Shutt and C. Silva and M. Solmaz and V. N. Solovov and P. Sorensen and S. Stephenson and T. J. Sumner and M. Szydagis and D. J. Taylor and R. Taylor and W. C. Taylor and B. P. Tennyson and P. A. Terman and D. R. Tiedt and W. H. To and M. Tripathi and L. Tvrznikova and U. Utku and S. Uvarov and A. Vacheret and V. Velan and J. R. Verbus and R. C. Webb and J. T. White and T. J. Whitis and M. S. Witherell and F. L. H. Wolfs and D. Woodward and J. Xu and K. Yazdani and S. K. Young and C. Zhang},
journal= {arXiv preprint arXiv:1907.06272},
year = {2020}
}