Spontaneous baryogenesis

Details Spontaneous baryogenesis Spontaneous baryogenesis

Oct 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988nuphb.308..913c&link_type=abstract

Nuclear Physics B, Volume 308, Issue 4, p. 913-928.

Physics

Nuclear Physics

66

Scientific paper

The recently discovered mechanism of ``spontaneous baryogenesis'' for generating the baryon asymmetry is implemented in several particle physics models. In these scenarios, baryon number is an approximate symmetry spontaneously broken at a scale . The baryon asymmetry is generated without CP violation. Furthermore, this can come about during an epoch when baryon violation is in thermal equilibrium. We consider how various observational constraints affect the realization of this mechanism in acceptable models of particle interactions, and find that the observed baryon asymmetry can be produced for >~ 3 × 1013 GeV.

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