Neutrino mass and cosmological baryon excess in left-right symmetric grand unified theories

M. Fukugita, T. Yanagida, Motohiko Yoshimura

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

In left-right symmetric grand unified theories both the smallness of the neutrino mass and a sizable cosmological baryon excess can be ascribed to a superheavy Majorana lepton. We show, taking SO(10) as the simplest model of this kind, that the largest neutrino mass is constrained to lie between 10-3 eV and 100 eV in order to give the observed magnitude of baryon excess.

Original languageEnglish
Pages (from-to)183-187
Number of pages5
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume106
Issue number3
DOIs
Publication statusPublished - Nov 5 1981
Externally publishedYes

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grand unified theory
baryons
neutrinos
leptons

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

Cite this

Neutrino mass and cosmological baryon excess in left-right symmetric grand unified theories. / Fukugita, M.; Yanagida, T.; Yoshimura, Motohiko.

In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 106, No. 3, 05.11.1981, p. 183-187.

Research output: Contribution to journalArticle

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