Probing nonstandard neutrino cosmology with terrestrial neutrino experiments

Probing nonstandard neutrino cosmology with terrestrial neutrino experiments Neutrino masses and the number of light neutrino species can be tested in a variety of laboratory experiments and also can be constrained by particle astrophysics and precision cosmology. A conflict between these various results could be an indication of new physics in the neutrino sector. In this paper, we explore the possibility for reconciliation of otherwise discrepant results in a simple model containing a light scalar field which produces mass-varying neutrinos. We extend previous work on mass-varying neutrinos to consider issues of neutrino clumping, the effects of additional contributions to neutrino mass, and reconciliation of eV mass sterile neutrinos with cosmology. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physical Review D American Physical Society (APS)

Probing nonstandard neutrino cosmology with terrestrial neutrino experiments

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Probing nonstandard neutrino cosmology with terrestrial neutrino experiments

Abstract

Neutrino masses and the number of light neutrino species can be tested in a variety of laboratory experiments and also can be constrained by particle astrophysics and precision cosmology. A conflict between these various results could be an indication of new physics in the neutrino sector. In this paper, we explore the possibility for reconciliation of otherwise discrepant results in a simple model containing a light scalar field which produces mass-varying neutrinos. We extend previous work on mass-varying neutrinos to consider issues of neutrino clumping, the effects of additional contributions to neutrino mass, and reconciliation of eV mass sterile neutrinos with cosmology.
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Publisher
The American Physical Society
Copyright
Copyright © © 2017 American Physical Society
ISSN
1550-7998
eISSN
1550-2368
D.O.I.
10.1103/PhysRevD.95.115039
Publisher site
See Article on Publisher Site

Abstract

Neutrino masses and the number of light neutrino species can be tested in a variety of laboratory experiments and also can be constrained by particle astrophysics and precision cosmology. A conflict between these various results could be an indication of new physics in the neutrino sector. In this paper, we explore the possibility for reconciliation of otherwise discrepant results in a simple model containing a light scalar field which produces mass-varying neutrinos. We extend previous work on mass-varying neutrinos to consider issues of neutrino clumping, the effects of additional contributions to neutrino mass, and reconciliation of eV mass sterile neutrinos with cosmology.

Journal

Physical Review DAmerican Physical Society (APS)

Published: Jun 1, 2017

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