Universal extra dimension models with right-handed neutrinos

被引：0

作者：

Matsumoto, Shigeki ^{[1
]}

Sato, Joe ^{[2
]}

Senami, Masato ^{[3
]}

Yamanaka, Masato ^{[2
]}

机构：

[1] Tohoku Univ, Inst Int Adv Interdisciplinary Res, Sendai, Miyagi 9808578, Japan

[2] Saitama Univ, Dept Phys, Sakura Ku, Saitama 3388570, Japan

[3] Univ Tokyo, ICRR, Kashiwa, Chiba 2778582, Japan

来源：

HIGH ENERGY PHYSICS AND APPLICATIONS | 2008年 / 1006卷

关键词：

dark matter; extra dimension; neutrino;

D O I：

暂无

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Relic abundance of dark matter is investigated in the framework of universal extra dimension (UED) models with right-handed neutrinos. These models are free from the KK graviton problem in the minimal UED model. The first KK particle of the right-handed neutrino is a dark matter candidate in this framework. When ordinary neutrino masses are large enough such as the degenerate mass spectrum case, the dark matter relic abundance can increase significantly. The scale of the extra dimension consistent with cosmological observations can be 500 GeV in the minimal setup of UED models with right-handed neutrinos.

引用

页码：122 / +

页数：3

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