Kaluza-Klein FIMP dark matter in warped extra-dimensions

被引：23

作者：

Bernal, Nicolas ^{[1
]}

Donini, Andrea ^{[2
,3
]}

Folgado, Miguel G. ^{[2
,3
]}

Rius, Nuria ^{[2
,3
]}

机构：

[1] Univ Antonio Narino, Ctr Invest, Carrera 3 Este 47A-15, Bogota, Colombia

[2] Univ Valencia, Inst Fis Corpuscular, Edificio Inst Invest,Catedrdt Jose Beltran 2, Paterna 46980, Spain

[3] CSIC, Edificio Inst Invest,Catedrdt Jose Beltran 2, Paterna 46980, Spain

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2020年 / 2020卷 / 09期

关键词：

Beyond Standard Model; Cosmology of Theories beyond the SM; HIERARCHY; PHENOMENOLOGY; MILLIMETER;

D O I：

10.1007/JHEP09(2020)142

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

We study for the first time the case in which Dark Matter (DM) is made of Feebly Interacting Massive Particles (FIMP) interacting just gravitationally with the standard model particles in an extra-dimensional Randall-Sundrum scenario. We assume that both the dark matter and the standard model are localized in the IR-brane and only interact via gravitational mediators, namely the graviton, the Kaluza-Klein gravitons and the radion. We found that in the early Universe DM could be generated via two main processes: the direct freeze-in and the sequential freeze-in. The regions where the observed DM relic abundance is produced are largely compatible with cosmological and collider bounds.

引用

页数：31

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