Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1995-07-10
Phys.Rev. D52 (1995) 5045-5049
Physics
High Energy Physics
High Energy Physics - Phenomenology
10 pages, LaTex, figures available upon request to evan@ucrphh.ucr.edu
Scientific paper
10.1103/PhysRevD.52.5045
If the standard electroweak gauge model is extended to include two or more Higgs doublets, there may be a neutral Higgs boson $h$ which is light (with a mass of say 10 GeV) but the $hZZ$ coupling is suppressed so that it has so far escaped experimental detection. However, the effective $hhZZ$ coupling is generally unsuppressed, hence the decay of Z into two light Higgs bosons plus a fermion-antifermion pair may have an observable branching fraction, especially if $h$ decays invisibly as for example in the recently proposed doublet Majoron model.
Duong T. V.
Keith E.
Kikuchi Hisashi
Ma Ernest
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