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Title: Sterile neutrinos and B L symmetry

Abstract

We revisit the relation between the neutrino masses and the spontaneous breaking of the B-L gauge symmetry. We discuss the main scenarios for Dirac and Majorana neutrinos and point out two simple mechanisms for neutrino masses. In this context the neutrino masses can be generated either at tree level or at quantum level and one predicts the existence of very light sterile neutrinos with masses below the eV scale. The predictions for lepton number violating processes such as μ → e and μ → eγ are discussed in detail. The impact from the cosmological constraints on the effective number of relativistic degree of freedom is investigated.

Authors:
ORCiD logo;
Publication Date:
Research Org.:
Case Western Reserve Univ., Cleveland, OH (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1437804
Alternate Identifier(s):
OSTI ID: 1499100
Grant/Contract Number:  
SC0018005
Resource Type:
Published Article
Journal Name:
Physics Letters. B
Additional Journal Information:
Journal Name: Physics Letters. B Journal Volume: 777 Journal Issue: C; Journal ID: ISSN 0370-2693
Publisher:
Elsevier
Country of Publication:
Netherlands
Language:
English
Subject:
79 ASTRONOMY AND ASTROPHYSICS

Citation Formats

Fileviez Pérez, Pavel, and Murgui, Clara. Sterile neutrinos and B – L symmetry. Netherlands: N. p., 2018. Web. doi:10.1016/j.physletb.2017.12.041.
Fileviez Pérez, Pavel, & Murgui, Clara. Sterile neutrinos and B – L symmetry. Netherlands. https://doi.org/10.1016/j.physletb.2017.12.041
Fileviez Pérez, Pavel, and Murgui, Clara. Thu . "Sterile neutrinos and B – L symmetry". Netherlands. https://doi.org/10.1016/j.physletb.2017.12.041.
@article{osti_1437804,
title = {Sterile neutrinos and B – L symmetry},
author = {Fileviez Pérez, Pavel and Murgui, Clara},
abstractNote = {We revisit the relation between the neutrino masses and the spontaneous breaking of the B-L gauge symmetry. We discuss the main scenarios for Dirac and Majorana neutrinos and point out two simple mechanisms for neutrino masses. In this context the neutrino masses can be generated either at tree level or at quantum level and one predicts the existence of very light sterile neutrinos with masses below the eV scale. The predictions for lepton number violating processes such as μ → e and μ → eγ are discussed in detail. The impact from the cosmological constraints on the effective number of relativistic degree of freedom is investigated.},
doi = {10.1016/j.physletb.2017.12.041},
journal = {Physics Letters. B},
number = C,
volume = 777,
place = {Netherlands},
year = {Thu Feb 01 00:00:00 EST 2018},
month = {Thu Feb 01 00:00:00 EST 2018}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
https://doi.org/10.1016/j.physletb.2017.12.041

Citation Metrics:
Cited by: 5 works
Citation information provided by
Web of Science

Figures / Tables:

Fig. 1. Fig. 1. : B–L Radiative Seesaw Mechanism in the unbroken phase.

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Works referenced in this record:

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Figures/Tables have been extracted from DOE-funded journal article accepted manuscripts.