Phys. Rev. Lett. 80, 1162–1165 (1998)Enhanced Three-Body Decay of the Charged Higgs BosonReceived 24 October 1997; published in the issue dated 9 February 1998 If the charged Higgs boson H+ exists with mH+<mt+mb, the conventional expectation is that it will decay dominantly into cs̅ and τ+ντ. However, the three-body decay mode H+→W+bb̅ is also present and we show that it becomes very important in the low tanβ region for mH+≳140 GeV. We then explore its phenomenological implications for the charged-Higgs-boson search in top-quark decay. © 1998 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.80.1162
DOI:
10.1103/PhysRevLett.80.1162
PACS:
14.80.Cp, 12.60.Fr
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