Searching for top decays to charged Higgs bosons with the SDC detector

Abstract
We have studied the capabilities of the SDC detector to discover a charged Higgs boson in the decay t {yields} H{sup +}b for the particular case m{sub t} = 250 GeV/c{sup 2} and m{sub H}{sup {plus minus}} = 150 GeV/c{sup 2}. The two methods investigated both tag t{anti t} events by demanding a high-p{sub t} lepton and two identified b-quark jets. In the first technique we search for an excess of {tau} leptons from H{sup {plus minus}} decays; in the second, we look for a peak in the two-jet mass distribution resulting from H{sup +} {yields} c{anti s}. In combination, these two techniques allow discovery of such a charged Higgs boson over the entire interesting range of two-Higgs-doublet model parameter space. 8 refs., 11 figs., 2 tabs.

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