$B \rightarrow τνX$ decays in a two Higgs doublet model

Details $B \rightarrow τνX$ decays in a two Higgs doublet model $B \rightarrow τνX$ decays in a two Higgs doublet model

1995-01-06

arxiv.org/abs/hep-ph/9501226v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pages, revtex, 1 postscript figure is attached.

Scientific paper

We calculate the decay rate for inclusive $B \rightarrow {\tau}{\nu}X$ decays
in a two Higgs doublet model using heavy quark expansion and operator product
expansion. Combined with the recent measurement of Br($B \ra \tau \nu X$), we
find a limit $\tan \beta < 0.58 m_H/\mbox{GeV}$ at 90\%\ C.L..

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