基于 XENON100 100 个有效天数据对非弹性暗物质的限制
宇宙学与河外天体物理
2011-09-29 v2
摘要
XENON100 实验近期完成了一次暗物质探测运行，获取了 2010 年 1 月至 6 月间 100.9 个有效天的数据。分析了 48 kg 有效体积内能量范围在 8.4 至 44.6 keVnr 之间的事件。在预定义的信号区域共发现三个事件，与 (1.8 ± 0.6) 个事件的预期本底相符。基于此分析，我们给出了非弹性暗物质的 WIMP-核子散射截面限制。利用现有数据，我们能够在 90% 置信水平上排除所观测到的 DAMA/LIBRA 年调制现象源于非弹性暗物质与碘散射的解释。
引用
@article{arxiv.1104.3121,
title = {Implications on Inelastic Dark Matter from 100 Live Days of XENON100 Data},
author = {XENON100 Collaboration and E. Aprile and K. Arisaka and F. Arneodo and A. Askin and L. Baudis and A. Behrens and K. Bokeloh and E. Brown and T. Bruch and G. Bruno and J. M. R. Cardoso and W. -T. Chen and B. Choi and D. Cline and E. Duchovni and S. Fattori and A. D. Ferella and F. Gao and K. -L. Giboni and E. Gross and A. Kish and C. W. Lam and J. Lamblin and R. F. Lang and C. Levy and K. E. Lim and Q. Lin and S. Lindemann and M. Lindner and J. A. M. Lopes and K. Lung and T. Marrodán Undagoitia and Y. Mei and A. J. Melgarejo Fernandez and K. Ni and U. Oberlack and S. E. A. Orrigo and E. Pantic and R. Persiani and G. Plante and A. C. C. Ribeiro and R. Santorelli and J. M. F. dos Santos and G. Sartorelli and M. Schumann and M. Selvi and P. Shagin and H. Simgen and A. Teymourian and D. Thers and O. Vitells and H. Wang and M. Weber and C. Weinheimer},
journal= {arXiv preprint arXiv:1104.3121},
year = {2011}
}
备注
3 pages, 3 figures