Right-handed sneutrino as cold dark matter of the universe

被引：1
|
作者：
Asaka, Takehiko [1 ]
机构：
[1] Niigata Univ, Dept Phys, Niigata 9502181, Japan
来源：
TAUP2007: TENTH INTERNATIONAL CONFERENCE ON TOPICS IN ASTROPARTICLE AND UNDERGROUND PHYSICS | 2008年 / 120卷
关键词：
D O I：
10.1088/1742-6596/120/4/042006
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We consider the minimal supersymmetric standard model (MSSM) extended by three right-handed neutrinos. Assuming that neutrino masses are purely Dirac-type, the lightest right-handed sneutrino (nu) over bar (R) can be the lightest superparticle (LSP). We discuss the possibility that the (nu) over bar (R) becomes dark matter of the universe, paying attention to the production of (nu) over bar (R) in the early universe. This work is based on collaboration with K. Ishiwata and T. Moroi [1, 2].
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页数：3
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