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Title: Seesaw scale, unification, and proton decay

Abstract

We investigate a simple realistic grand unified theory based on the $SU(5)$ gauge symmetry, which predicts an upper bound on the proton decay lifetime for the channels $$p{\rightarrow}{K}^{+}\overline{{\nu}}$$ and $$p{\rightarrow}{{\pi}}^{+}\overline{{\nu}}$$, i.e., $${\tau}(p{\rightarrow}{K}^{+}\overline{{\nu}}){\lesssim}3.4\times{}{10}^{35}$$ and $${\tau}(p{\rightarrow}{{\pi}}^{+}\overline{{\nu}}){\lesssim}1.7\times{}{10}^{34}\text{ }\text{ }\mathrm{years}$$, respectively. In this context, the neutrino masses are generated through the type I and type III seesaw mechanisms, and one predicts that the field responsible for type III seesaw must be light with a mass below 500 TeV. We discuss the testability of this theory at current and future proton decay experiments.

Authors:
 [1];  [1];  [2]
  1. Case Western Reserve Univ., Cleveland, OH (United States). Physics Dept. Center for Education and Research in Cosmology and Astrophysics (CERCA)
  2. Univ. of Valencia (Spain). Dept. of Theoretical Physics
Publication Date:
Research Org.:
Case Western Reserve Univ., Cleveland, OH (United States); Univ. of Valencia (Spain)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25); European Regional Development Fund (ERDF)
OSTI Identifier:
1466076
Alternate Identifier(s):
OSTI ID: 1503835
Grant/Contract Number:  
SC0018005; FPA2014-53631-C2-1-P; SEV-2014-0398
Resource Type:
Published Article
Journal Name:
Physical Review D
Additional Journal Information:
Journal Volume: 98; Journal Issue: 3; 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; grand unified models; Majorana neutrinos

Citation Formats

Fileviez Pérez, Pavel, Gross, Axel, and Murgui, Clara. Seesaw scale, unification, and proton decay. United States: N. p., 2018. Web. doi:10.1103/physrevd.98.035032.
Fileviez Pérez, Pavel, Gross, Axel, & Murgui, Clara. Seesaw scale, unification, and proton decay. United States. doi:10.1103/physrevd.98.035032.
Fileviez Pérez, Pavel, Gross, Axel, and Murgui, Clara. Thu . "Seesaw scale, unification, and proton decay". United States. doi:10.1103/physrevd.98.035032.
@article{osti_1466076,
title = {Seesaw scale, unification, and proton decay},
author = {Fileviez Pérez, Pavel and Gross, Axel and Murgui, Clara},
abstractNote = {We investigate a simple realistic grand unified theory based on the $SU(5)$ gauge symmetry, which predicts an upper bound on the proton decay lifetime for the channels $p{\rightarrow}{K}^{+}\overline{{\nu}}$ and $p{\rightarrow}{{\pi}}^{+}\overline{{\nu}}$, i.e., ${\tau}(p{\rightarrow}{K}^{+}\overline{{\nu}}){\lesssim}3.4\times{}{10}^{35}$ and ${\tau}(p{\rightarrow}{{\pi}}^{+}\overline{{\nu}}){\lesssim}1.7\times{}{10}^{34}\text{ }\text{ }\mathrm{years}$, respectively. In this context, the neutrino masses are generated through the type I and type III seesaw mechanisms, and one predicts that the field responsible for type III seesaw must be light with a mass below 500 TeV. We discuss the testability of this theory at current and future proton decay experiments.},
doi = {10.1103/physrevd.98.035032},
journal = {Physical Review D},
number = 3,
volume = 98,
place = {United States},
year = {2018},
month = {8}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
DOI: 10.1103/physrevd.98.035032

Citation Metrics:
Cited by: 3 works
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