Neutralino dark matter from minimal supersymmetric standard model flat directions in light of WMAP results

被引:25
作者
Fujii, M [1 ]
Ibe, M [1 ]
机构
[1] Univ Tokyo, Dept Phys, Tokyo 1130033, Japan
来源
PHYSICAL REVIEW D | 2004年 / 69卷 / 03期
关键词
D O I
10.1103/PhysRevD.69.035006
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The minimal supersymmetric standard model has a truly supersymmetric way of explaining both the baryon asymmetry and cold dark matter in the present Universe: that is, "Affleck-Dine baryo/DM genesis." The associated late-time decay of Q balls directly connects the origins of the baryon asymmetry and dark matter, and also predicts a specific nature of the LSP. In this paper, we investigate the prospects for indirect detection of these dark matter candidates observing the high-energy neutrino flux from the Sun and hard positron flux from the halo. We also update the previous analysis of the direct detection of Fujii and Hamaguchi [Phys. Rev. D 66, 083501 (2002)] by implementing the recent results from the WMAP satellite.
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页数:15
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