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Resurrection of Grand Unified Theory Baryogenesis

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arxiv hep-ph/0203194 v1 pith:UYG6JUKW submitted 2002-03-20 hep-ph

classification hep-ph
keywords neutrinoscenariobaryogenesisdegenerategrandmassesunifiedaccommodates
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abstract

A `new' scenario is proposed for baryogenesis. We show that delayed decay of coloured Higgs particles in grand unified theories may generate excess baryon number of the empirically desired amount, if the mass of the heaviest neutrino is in the range $0.02 {\rm eV}<m_{\nu_3}< 0.8 {\rm eV}$, provided that neutrinos are of the Majorana type. The scenario accommodates the case of degenerate neutrino masses, in contrast to the usual leptogenesis scenario, which does not work when three neutrino masses are degenerate.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Baryogenesis via the CKM Matrix with Minimal Flavor Violation

    hep-ph 2026-08 conditional novelty 7.0 of 10

    An MFV leptoquark model shows that the CKM phase alone can in principle generate the observed baryon asymmetry without time-varying model parameters.

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