Relic Abundance of Scalar Dark Matter

Dalal, Shweta (2016) Relic Abundance of Scalar Dark Matter. Masters thesis, Indian Institute of Technology Hyderabad.

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Abstract

The nature of dark matter is one of the great unsolved questions in particle physics and cosmology. Infact, the hypothesis of dark matter is strongly supported by the galaxy rotation curve, gravitational lensing and large scale structure of the universe. However, there is no candidate of dark matter in the standard model of particle physics. Different extensions of the standard model provide candidates of dark matter. This thesis concerns with two models, Scalar Singlet model and Inert Higgs Doublet Model and calculating the relic abundance of dark matter in both models, to further check their suitability as a candidate of dark matter. WMAP and PLANCK measurements of anisotropies- the Cosmic Microwave Background precisely measure the relic abundance of dark matter. We compare our theoretical estimated value of the relic abundance of dark matter with the WMAP and PLANCK value of relic abundance and find the relevant constraints on the model parameters.

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IITH Creators:
IITH CreatorsORCiD
Item Type: Thesis (Masters)
Uncontrolled Keywords: Relic Abundance, Scalar Singlet Model, Inert Doublet Model, TD520.
Subjects: Physics
Divisions: Department of Physics
Depositing User: Library Staff
Date Deposited: 12 May 2016 04:18
Last Modified: 16 Aug 2017 09:09
URI: http://raiith.iith.ac.in/id/eprint/2343
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