WIMPs in Dilatonic Einstein Gauss-Bonnet Cosmology

被引：0

作者：

Biswas, Anirban ^{[1
]}

Kar, Arpan ^{[2
,3
]}

Lee, Bum-Hoon ^{[2
,3
]}

Lee, Hocheol ^{[2
,3
]}

Lee, Wonwoo ^{[2
,3
]}

Scopel, Stefano ^{[2
,3
]}

Velasco-Sevilla, Liliana ^{[2
,3
]}

Yin, Lu ^{[4
]}

机构：

[1] Yonsei Univ, Dept Phys & Lab Dark Universe, 50 Yonsei Ro, Seoul 03722, South Korea

[2] Sogang Univ, Ctr Quantum Spacetime, Seoul 121742, South Korea

[3] Sogang Univ, Dept Phys, Seoul 121742, South Korea

[4] Asia Pacific Ctr Theoret Phys APCTP, San 31 Hyoja Dong, Pohang 121742, South Korea

来源：

ASTRONOMY REPORTS | 2023年 / 67卷 / SUPPL 2期

关键词：

dark matter; Gauss-Bonnet gravity; DARK-MATTER;

D O I：

10.1134/S1063772923140032

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We study the thermal decoupling of weakly interacting massive particles (WIMPs) in a dilatonic Einstein Gauss-Bonnet (dEGB) cosmological scenario where standard gravity is modified by a Gauss-Bonnet term non-minimally coupled to a scalar field with vanishing potential. We put constraints on the parameters of the model that drive the WIMP annihilation cross section beyond the present bounds from DM indirect detection searches. The bounds from WIMP indirect detection are nicely complementary to late-time constraints from compact binary mergers. This suggests that it could be interesting to use other Early Cosmology processes to probe the dEGB scenario.

引用

页码：S158 / S163

页数：6

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