Phenomenology and cosmology of extra generations of Higgs bosons

Details Phenomenology and cosmology of extra generations of Higgs bosons Phenomenology and cosmology of extra generations of Higgs bosons

Jan 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990phrvl..64..135g&link_type=abstract

Physical Review Letters (ISSN 0031-9007), vol. 64, Jan. 8, 1990, p. 135-138. Research supported by DOE.

Physics

14

Bosons, Cosmology, Dark Matter, Electron-Positron Pairs, Elementary Particles, Particle Mass

Scientific paper

If the Higgs sector in a supersymmetric model consists of several generations, then a basis in which only one generation gets vacuum values can be chosen. For example, in the minimal model, if tree-level flavor-changing neutral currents are elminated by some symmetry, then the lightest of these scalars is stable and the second lightest is only slightly more massive. The lightest is a superb dark-matter candidate, and if light enough, gives an unusual and detectable signature.

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