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Rare decay in a CP spontaneously broken two Higgs doublet model
The Higgs boson mass spectrum and couplings of neutral Higgs bosons to
fermions are worked out i n a CP spontaneously broken two Higgs doublet model
in the large tan case.
The differential branching ratio, forward-backward asymmetry, CP asymmetry
and lepton polarization for are computed. It is shown that
effects of neutral Higgs bosons are quite significant when is
large. Especially, the CP violating normal polarization can be as large
as several percents.Comment: 27 pages, text updated, new numerical results include
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