Sommerfeld enhancement of right-handed sneutrino dark matter

被引：0
|
作者：
Elsheshtawy, A. [1 ,2 ]
Khalil, S. [2 ]
机构：
[1] Ain Shams Univ, Fac Sci, Dept Math, Cairo 11566, Egypt
[2] Zewail City Sci & Technol, Ctr Fundamental Phys, Giza 12578, Egypt
来源：
PHYSICS OF THE DARK UNIVERSE | 2024年 / 43卷
关键词：
Lightest right-handed sneutrino dark matter; Sommerfeld enhancement of right-handed; sneutrino; Viable dark matter; Relic abundance and observational limits; HIGGS; MODEL;
D O I：
10.1016/j.dark.2023.101416
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The relic abundance of the lightest right-handed sneutrino dark matter in supersymmetric B - L extension of the standard model is revisited. Through the exchange of light B - L Higgs bosons, we investigate the bound state of the attractive Yukawa potential and obtain a large non-perturbative Sommerfeld enhancement effect. We emphasize that with this effect the relic abundance of right-handed sneutrino will lie within the observational limits and the right-handed sneutrino will remain a viable dark matter up to a mass of order 1.5 TeV.
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页数：9
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