Minimal electroweak model for monopole annihilation

Details Minimal electroweak model for monopole annihilation Minimal electroweak model for monopole annihilation

Feb 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992phrvl..68..564f&link_type=abstract

Physical Review Letters, Volume 68, Issue 5, February 3, 1992, pp.564-567

Physics

11

Particle-Theory And Field-Theory Models Of The Early Universe, Unified Theories And Models Of Strong And Electroweak Interactions, Magnetic Monopoles

Scientific paper

We construct the minimal (most economical in fields) extension of the standard model implementing the Langacker-Pi mechanism for reducing the grand unified theory (GUT) monopole cosmic density to an allowed level. The model contains just a single charged scalar field in addition to the standard Higgs doublet, and is easily embeddable in any GUT. We identify the region of parameter space where monopoles annihilate in the higher temperature early Universe. A particularly alluring possibility is that the demise of monopoles at the electroweak scale is in fact the origin of the Universe's net baryon number.

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