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

M. Fukugita; T. Yanagida; M. Yoshimura

doi:10.1016/0370-2693(81)90904-7

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

M. Fukugita, T. Yanagida, M. Yoshimura

Research output: Contribution to journal › Article

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 language	English
Pages (from-to)	183-187
Number of pages	5
Journal	Physics Letters B
Volume	106
Issue number	3
DOIs	https://doi.org/10.1016/0370-2693(81)90904-7
Publication status	Published - Nov 5 1981
Externally published	Yes

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ASJC Scopus subject areas

Nuclear and High Energy Physics

Cite this

Fukugita, M., Yanagida, T., & Yoshimura, M. (1981). Neutrino mass and cosmological baryon excess in left-right symmetric grand unified theories. Physics Letters B, 106(3), 183-187. https://doi.org/10.1016/0370-2693(81)90904-7

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N2 - 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.

AB - 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.

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Access to Document

10.1016/0370-2693(81)90904-7