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High Energy Physics - Phenomenology

arXiv:1503.06519 (hep-ph)
[Submitted on 23 Mar 2015 (v1), last revised 19 Aug 2015 (this version, v2)]

Title:Relic Abundance of Asymmetric Dark Matter and the Scalar--Tensor Model

Authors:Shun-zhi Wang, Hoernisa Iminniyaz, Mamatrishat Mamat
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Abstract:The relic abundance of asymmetric Dark Matter particles in the scalar--tensor model is analysized in this article. We extend the numeric and analytic calculation of the relic density of the asymmetric Dark Matter in the standard cosmological scenario to the nonstandard cosmological scenario. We focus on the scalar--tensor model. Hubble expansion rate is changed in the nonstandard cosmological scenario. This leaves its imprint on the relic density of Dark Matter particles. In this article we investigate to what extent the asymmetric Dark Matter particle's relic density is changed in the scalar--tensor model. We use the observed present day Dark Matter abundance to find the constraints on the parameter space in this model.
Comments: The whole structure of the paper is changed. The new figure is added and typos are corrected
Subjects: High Energy Physics - Phenomenology (hep-ph)
Cite as: arXiv:1503.06519 [hep-ph]
  (or arXiv:1503.06519v2 [hep-ph] for this version)
  https://doi.org/10.48550/arXiv.1503.06519
Related DOI: https://doi.org/10.1142/S0217751X16500214

Submission history

From: Hoernisa Iminniyaz [view email]
[v1] Mon, 23 Mar 2015 03:54:44 UTC (65 KB)
[v2] Wed, 19 Aug 2015 05:47:41 UTC (68 KB)
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