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Title: Baryogenesis from a modulus dominated universe

Abstract

String/ M-theory compactifications predict the existence of a modulus field with a mass of 100-10000 TeV. Its decay at MeV-temperatures generates large amounts of entropy and washes out any previously produced baryon asymmetry. We describe how the baryon asymmetry can be (re)generated by the modulus decay. Lastly, the mechanism relates the smallness of the asymmetry to the hierarchy between the Planck- and the Fermi-scale.

Authors:
 [1];  [2]
  1. Univ. of Michigan, Ann Arbor, MI (United States)
  2. Stockholm Univ. (Sweden)
Publication Date:
Research Org.:
Univ. of Michigan, Ann Arbor, MI (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP)
OSTI Identifier:
1648129
Grant/Contract Number:  
SC0007859
Resource Type:
Accepted Manuscript
Journal Name:
Journal of Cosmology and Astroparticle Physics
Additional Journal Information:
Journal Volume: 2020; Journal Issue: 02; Journal ID: ISSN 1475-7516
Publisher:
Institute of Physics (IOP)
Country of Publication:
United States
Language:
English
Subject:
79 ASTRONOMY AND ASTROPHYSICS; Baryon asymmetry; string theory and cosmology; supersymmetry and cosmology

Citation Formats

Kane, Gordon, and Winkler, Martin Wolfgang. Baryogenesis from a modulus dominated universe. United States: N. p., 2020. Web. https://doi.org/10.1088/1475-7516/2020/02/019.
Kane, Gordon, & Winkler, Martin Wolfgang. Baryogenesis from a modulus dominated universe. United States. https://doi.org/10.1088/1475-7516/2020/02/019
Kane, Gordon, and Winkler, Martin Wolfgang. Fri . "Baryogenesis from a modulus dominated universe". United States. https://doi.org/10.1088/1475-7516/2020/02/019. https://www.osti.gov/servlets/purl/1648129.
@article{osti_1648129,
title = {Baryogenesis from a modulus dominated universe},
author = {Kane, Gordon and Winkler, Martin Wolfgang},
abstractNote = {String/ M-theory compactifications predict the existence of a modulus field with a mass of 100-10000 TeV. Its decay at MeV-temperatures generates large amounts of entropy and washes out any previously produced baryon asymmetry. We describe how the baryon asymmetry can be (re)generated by the modulus decay. Lastly, the mechanism relates the smallness of the asymmetry to the hierarchy between the Planck- and the Fermi-scale.},
doi = {10.1088/1475-7516/2020/02/019},
journal = {Journal of Cosmology and Astroparticle Physics},
number = 02,
volume = 2020,
place = {United States},
year = {2020},
month = {2}
}

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Free Publicly Available Full Text
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Cited by: 2 works
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