Allowable low-energy E<SUB>6</SUB> subgroups from leptogenesis

Hambye, Thomas
Ma, Ernest
Raidal, Martti
Sarkar, Utpal

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Publication date

July 2001

DOI

10.1016/S0370-2693(01)00577-9

Publisher

Elsevier Science

Abstract

There are only two viable low-energy E6 subgroups: SU(3)C×SU(2)L×U(1)Y×U(1)N or SU(3)C×SU(2)L×SU(2)'R×U(1)YL+Y'R, which would not erase any preexisting lepton asymmetry of the Universe that may have been created by the decay of heavy singlet (right-handed) neutrinos or any other mechanism. They are also the two most favored E6 subgroups from a recent analysis of present neutral-current data. We study the details of the leptogenesis, as well as some salient experimental signatures of the two models

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Allowable low-energy E<SUB>6</SUB> subgroups from leptogenesis

Abstract

Extracted data

Allowable low-energy E<SUB>6</SUB> subgroups from leptogenesis

Abstract

Extracted data

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