Optimized velocity distributions for direct dark matter detection

被引:18
作者
Ibarra, Alejandro [1 ,2 ]
Rappelt, Andreas [1 ]
机构
[1] Tech Univ Munich, Phys Dept T30d, James Franck Str, D-85748 Garching, Germany
[2] Korea Inst Adv Study, Sch Phys, Seoul 02455, South Korea
来源
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS | 2017年 / 08期
关键词
dark matter theory; dark matter experiments; ANNUAL MODULATION; MILKY; MASS; SEARCH; MODELS; LIMITS; PHASE; DISK; KPC; SUN;
D O I
10.1088/1475-7516/2017/08/039
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We present a method to calculate, without making assumptions about the local dark matter velocity distribution, the maximal and minimal number of signal events in a direct detection experiment given a set of constraints from other direct detection experiments and/or neutrino telescopes. The method also allows to determine the velocity distribution that optimizes the signal rates. We illustrate our method with three concrete applications: i) to derive a halo-independent upper limit on the cross section from a set of null results, ii) to confront in a halo-independent way a detection claim to a set of null results and iii) to assess, in a halo-independent manner, the prospects for detection in a future experiment given a set of current null results.
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页数:30
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