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A White Paper on keV sterile neutrino Dark Matter

A White Paper on keV sterile neutrino Dark Matter
A White Paper on keV sterile neutrino Dark Matter
We present a comprehensive review of keV-scale sterile neutrino Dark Matter, collecting views and insights from all disciplines involved—cosmology, astrophysics, nuclear, and particle physics—in each case viewed from both theoretical and experimental/observational perspectives. After reviewing the role of active neutrinos in particle physics, astrophysics, and cosmology, we focus on sterile neutrinos in the context of the Dark Matter puzzle. Here, we first review the physics motivation for sterile neutrino Dark Matter, based on challenges and tensions in purely cold Dark Matter scenarios. We then round out the discussion by critically summarizing all known constraints on sterile neutrino Dark Matter arising from astrophysical observations, laboratory experiments, and theoretical considerations. In this context, we provide a balanced discourse on the possibly positive signal from X-ray observations. Another focus of the paper concerns the construction of particle physics models, aiming to explain how sterile neutrinos of keV-scale masses could arise in concrete settings beyond the Standard Model of elementary particle physics. The paper ends with an extensive review of current and future astrophysical and laboratory searches, highlighting new ideas and their experimental challenges, as well as future perspectives for the discovery of sterile neutrinos.
1475-7516
Adhikan, R
1bcd0bbd-d630-44cc-92b1-221e7c5ad2a3
Shankar, F
b10c91e4-85cd-4394-a18a-d4f049fd9cdb
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Adhikan, R and Shankar, F et al (2017) A White Paper on keV sterile neutrino Dark Matter Journal of Cosmology and Astroparticle Physics, 2017, (1) (doi:10.1088/1475-7516/2017/01/025).

Adhikan, R and Shankar, F et al (2017) A White Paper on keV sterile neutrino Dark Matter Journal of Cosmology and Astroparticle Physics, 2017, (1) (doi:10.1088/1475-7516/2017/01/025).

Record type: Article

Abstract

We present a comprehensive review of keV-scale sterile neutrino Dark Matter, collecting views and insights from all disciplines involved—cosmology, astrophysics, nuclear, and particle physics—in each case viewed from both theoretical and experimental/observational perspectives. After reviewing the role of active neutrinos in particle physics, astrophysics, and cosmology, we focus on sterile neutrinos in the context of the Dark Matter puzzle. Here, we first review the physics motivation for sterile neutrino Dark Matter, based on challenges and tensions in purely cold Dark Matter scenarios. We then round out the discussion by critically summarizing all known constraints on sterile neutrino Dark Matter arising from astrophysical observations, laboratory experiments, and theoretical considerations. In this context, we provide a balanced discourse on the possibly positive signal from X-ray observations. Another focus of the paper concerns the construction of particle physics models, aiming to explain how sterile neutrinos of keV-scale masses could arise in concrete settings beyond the Standard Model of elementary particle physics. The paper ends with an extensive review of current and future astrophysical and laboratory searches, highlighting new ideas and their experimental challenges, as well as future perspectives for the discovery of sterile neutrinos.

Text A White Paper on keV sterile neutrino Dark Matter - Accepted Manuscript
Restricted to Repository staff only until 13 January 2018.

More information

Accepted/In Press date: 16 October 2016
e-pub ahead of print date: 13 January 2017
Published date: 13 January 2017
Organisations: Astronomy Group

Identifiers

Local EPrints ID: 411967
URI: http://eprints.soton.ac.uk/id/eprint/411967
ISSN: 1475-7516
PURE UUID: 3f3dbe97-e268-492f-a018-8f24997f6069

Catalogue record

Date deposited: 03 Jul 2017 16:31
Last modified: 30 Oct 2017 17:30

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Contributors

Author: R Adhikan
Author: F Shankar

University divisions

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