来自ZEPLIN-III的非弹性暗物质限制
高能物理 - 实验
2015-03-13 v2
摘要
我们给出了从ZEPLIN-III 2008年运行中推导出的非弹性暗物质的WIMP-核子截面限制。对闪烁脉冲形状和闪烁-电离比的截断给出了在20-80keV核反冲能范围内63 kg.days的净曝光量，在此范围内观测到6个事件。信号率的上限由数据中的最大空白区域推导得出。在标准晕假设下，与引起1.17 ton.year DAMA调制信号一致的参数空间的一小区域在90% CL下被允许：其质量范围为45-60 GeV，最低CL为88%，同样由最大空白区域推导得出。这是迄今为止使用氙靶对DAMA结果的该解释给出的最严格限制。
引用
@article{arxiv.1003.5626,
title = {Limits on inelastic dark matter from ZEPLIN-III},
author = {D. Yu. Akimov and H. M. Araujo and E. J. Barnes and V. A. Belov and A. Bewick and A. A. Burenkov and R. Cashmore and V. Chepel and A. Currie and D. Davidge and J. Dawson and T. Durkin and B. Edwards and C. Ghag and A. Hollingsworth and M. Horn and A. S. Howard and A. J. Hughes and W. G. Jones and G. E. Kalmus and A. S. Kobyakin and A. G. Kovalenko and V. N. Lebedenko and A. Lindote and I. Liubarsky and M. I. Lopes and R. Luscher and K. Lyons and P. Majewski and A. StJ. Murphy and F. Neves and S. M. Paling and J. Pinto da Cunha and R. Preece and J. J. Quenby and L. Reichhart and P. R. Scovell and C. Silva and V. N. Solovov and N. J. T. Smith and P. F. Smith and V. N. Stekhanov and T. J. Sumner and C. Thorne and L. de Viveiros and R. J. Walker},
journal= {arXiv preprint arXiv:1003.5626},
year = {2015}
}
备注
4 pages, 5 figures. Updated with 1.17 ton.year DAMA results.