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Title: Constraints on inflation with an extended neutrino sector

Abstract

Constraints on inflationary models typically assume only the standard models of cosmology and particle physics. By extending the neutrino sector to include a new interaction with a light scalar mediator (mφ ~ MeV), it is possible to relax these constraints, in particular via opening up regions of the parameter space of the spectral index n s. These new interactions can be probed at IceCube via interactions of astrophysical neutrinos with the cosmic neutrino background for nearly all of the relevant parameter space.

Authors:
 [1];  [2];  [3]
  1. Univ. de Valencia-CSIC, Burjassot (Spain)
  2. Brookhaven National Lab. (BNL), Upton, NY (United States)
  3. Univ. de Valencia, Burjassot (Spain)
Publication Date:
Research Org.:
Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
OSTI Identifier:
1513536
Alternate Identifier(s):
OSTI ID: 1507218
Report Number(s):
BNL-211681-2019-JAAM
Journal ID: ISSN 2470-0010; PRVDAQ
Grant/Contract Number:  
SC0012704
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review D
Additional Journal Information:
Journal Volume: 99; Journal Issue: 8; Journal ID: ISSN 2470-0010
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; neutrino; SM; mass; cosmic; CMB; MCMC; flavour

Citation Formats

Barenboim, Gabriela, Denton, Peter B., and Oldengott, Isabel M. Constraints on inflation with an extended neutrino sector. United States: N. p., 2019. Web. doi:10.1103/PhysRevD.99.083515.
Barenboim, Gabriela, Denton, Peter B., & Oldengott, Isabel M. Constraints on inflation with an extended neutrino sector. United States. doi:10.1103/PhysRevD.99.083515.
Barenboim, Gabriela, Denton, Peter B., and Oldengott, Isabel M. Tue . "Constraints on inflation with an extended neutrino sector". United States. doi:10.1103/PhysRevD.99.083515.
@article{osti_1513536,
title = {Constraints on inflation with an extended neutrino sector},
author = {Barenboim, Gabriela and Denton, Peter B. and Oldengott, Isabel M.},
abstractNote = {Constraints on inflationary models typically assume only the standard models of cosmology and particle physics. By extending the neutrino sector to include a new interaction with a light scalar mediator (mφ ~ MeV), it is possible to relax these constraints, in particular via opening up regions of the parameter space of the spectral index ns. These new interactions can be probed at IceCube via interactions of astrophysical neutrinos with the cosmic neutrino background for nearly all of the relevant parameter space.},
doi = {10.1103/PhysRevD.99.083515},
journal = {Physical Review D},
number = 8,
volume = 99,
place = {United States},
year = {2019},
month = {4}
}

Journal Article:
Free Publicly Available Full Text
This content will become publicly available on April 16, 2020
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