A search for charged Higgs from top quark decay at the CERN p̄p collider

CERN pp collider collaboration

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    The process t→H+b, H+→τ+v, τ+→hadrons+v and its charge conjugate are investigated by seeking an excess in number of observed τ's beyond that expected from the standard model under the assumption of e-τ universality. No such excess is found and new regions of the mH-mt plane are excluded for B(H+→τv) = 0.5 and 1.0. In addition, the ratio of couplings of the τ and e to the W is precisely measured as gw τ/gw e = 1.02 ± 0.04(stat.)±0.04(syst.).

    Original languageEnglish
    Pages (from-to)137-145
    Number of pages9
    JournalPhysics Letters B
    Issue number1-2
    Publication statusPublished - 23 Apr 1992

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