利用P型点接触锗探测器搜寻轻质量暗物质的结果
宇宙学与河外天体物理
2011-04-05 v2 高能物理 - 实验
仪器与探测器
摘要
我们报告了在2100米水当量深度运行的超低噪声锗探测器能谱中存在的若干特征。通过实施一种能够拒绝表面事件的新技术，首次观测到若干宇宙成因峰。我们讨论了低于3 keVee的不可约体事件过剩的几种可能原因，包括与DAMA/LIBRA年度调制效应共同的暗物质候选者、CDMS中的信号暗示以及唯象预言。对DAMA/LIBRA效应的宇宙学起源给出了改进的约束。
引用
@article{arxiv.1002.4703,
title = {Results from a Search for Light-Mass Dark Matter with a P-type Point Contact Germanium Detector},
author = {C. E. Aalseth and P. S. Barbeau and N. S. Bowden and B. Cabrera-Palmer and J. Colaresi and J. I. Collar and S. Dazeley and P. de Lurgio and G. Drake and J. E. Fast and N. Fields and C. H. Greenberg and T. W. Hossbach and M. E. Keillor and J. D. Kephart and M. G. Marino and H. S. Miley and M. L. Miller and J. L. Orrell and D. C. Radford and D. Reyna and R. G. H. Robertson and R. L. Talaga and O. Tench and T. D. Van Wechel and J. F. Wilkerson and K. M. Yocum},
journal= {arXiv preprint arXiv:1002.4703},
year = {2011}
}
备注
4 pages, 4 figures. v2: submitted version. Minimal changes in wording, one reference added