Searches for nonminimal Higgs bosons from a virtual Z decaying into a muon pair at the SLAC e+e- storage ring PEP
Published Web Location
https://doi.org/10.1103/physrevd.40.721
Abstract
Nonminimal neutral Higgs bosons decaying into a muon pair were searched for using the Mark II detector at the SLAC e+e- collider PEP at √s =29 GeV. A neutral scalar Higgs boson Hs0 can be produced accompanied by a pseudoscalar neutral Higgs boson Hp0 via a virtual Z0. If the mass of one of the Higgs bosons is between the muon pair threshold and the kaon pair threshold, it may decay predominantly into a muon pair. We looked for muon pair+jet(s) [e+e- →Hs0Hp0→μ+μ-+qq¯ (τ+τ-)] and three-muon-pair [e+e-→Hs0Hp0→3 (Hp0)→3(μ+μ-)] topologies. We found no evidence for these signals above the known background level, and we obtained limits on Γ(Z0→Hs0Hp0) as a function of the Higgs-boson masses.
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