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Relic density of Dark Matter in the Inert Doublet Model beyond Leading Order. I) The Heavy Mass Case
- Source :
- Phys. Rev. D 100, 095024 (2019)
- Publication Year :
- 2019
-
Abstract
- A full renormalisation of the Inert Doublet Model (IDM) is presented and exploited for a precise calculation of the relic density of Dark Matter (DM) at one-loop. In this first paper, we study the case of a DM candidate with $m_{\rm DM} \sim 500$ GeV. In this regime, the co-annihilation channels are important. We therefore compute, for a wide range of relative velocities, the full next-to-leading order electroweak corrections to 7 annihilation/co-annihilation processes that contribute $\sim$ 70\% to the relic density of DM. These corrected cross-sections are interfaced with {\tt micrOMEGAs} to obtain the one-loop correction to the freeze-out relic density. Due to the accurate measurement of this observable, the one-loop corrections are relevant. We discuss the one-loop renormalisation scheme dependence and point out the influence, at one-loop, of a parameter that solely describes the scattering in the dark sector. A tree-level computation of the relic density is not sensitive to this parameter.<br />Comment: v3; 21 pages, 4 figures and 2 tables; some typographical errors fixed; conclusions unchanged; version matches the one published in PRD
- Subjects :
- High Energy Physics - Phenomenology
High Energy Physics - Experiment
Subjects
Details
- Database :
- arXiv
- Journal :
- Phys. Rev. D 100, 095024 (2019)
- Publication Type :
- Report
- Accession number :
- edsarx.1906.11269
- Document Type :
- Working Paper
- Full Text :
- https://doi.org/10.1103/PhysRevD.100.095024