Cosmological amount of baryons

Details Cosmological amount of baryons Cosmological amount of baryons

Jun 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980nuphb.168..534y&link_type=abstract

Nuclear Physics B, Volume 168, Issue 3-4, p. 534-548.

Physics

Nuclear Physics

13

Scientific paper

The grand unified SU(5) model is analyzed as to whether it can give a sizable, cosmological baryon asymmetry consistent with the observation, NB/Nγ = O(10-8-10-10). Assuming a recently suggested decay mechanism of the heavy X-boson, we find that a numerical agreement is possible only if the minimal Higgs system is extended to allow a general class of CP violation and if interesting constraints on parameters of the SU(5) model are satisfied.

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