Roles of a 45-plet of Higgs particles in SU(5) grand unified theory

Details Roles of a 45-plet of Higgs particles in SU(5) grand unified theory Roles of a 45-plet of Higgs particles in SU(5) grand unified theory

Sep 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982phrvd..26.1185h&link_type=abstract

Physical Review D (Particles and Fields), Volume 26, Issue 5, 1 September 1982, pp.1185-1187

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Scientific paper

In the light of the notable role played by a 45-plet of Higgs particles in SU(5) grand unified theory, a harmless axion containing a component from a Higgs 45-plet is derived following the Dine-Fischler-Srednicki scheme in the SU(5)×U(1)PQ model (PQ refers to Peccei and Quinn). The breaking of U(1)PQ through instanton effects into Z6 gives a useful relation between vacuum expectation values of 45 and 5, Higgs fields. An estimation of the cosmological baryon-to-entropy ratio is also presented, and is consistent with the present observations.

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