Dark moments and the DAMA-CoGeNT puzzle

被引：84
作者：
Fitzpatrick, A. Liam [1 ]
Zurek, Kathryn M. [2 ]
机构：
[1] Boston Univ, Dept Phys, Boston, MA 02215 USA
[2] Univ Michigan, Dept Phys, Michigan Ctr Theoret Phys, Ann Arbor, MI 48109 USA
来源：
PHYSICAL REVIEW D | 2010年 / 82卷 / 07期
关键词：
MATTER; LIMITS;
D O I：
10.1103/PhysRevD.82.075004
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We consider the velocity dependence arising from scattering through dark multipole moments, and its effects on the consistency of the signals observed by DAMA and CoGeNT with the dark matter hypothesis. We focus on the effects of the experimental uncertainties on the fits, and show that the two experiments combined favor dark matter scattering with a velocity-dependent cross section over standard velocity and spin-independent scattering. When appropriate uncertainties are taken into account, we show that agreement of the two signals with each other and with the results of null experiments can be obtained.
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页数：9
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