Signature of heavy Charged Higgs Boson at LHC in the 1 and 3 prong Hadronic Tau Decay channels

Details Signature of heavy Charged Higgs Boson at LHC in the 1 and 3 prong Hadronic Tau Decay channels Signature of heavy Charged Higgs Boson at LHC in the 1 and 3 prong Hadronic Tau Decay channels

2006-08-30

arxiv.org/abs/hep-ph/0608324v1

Eur.Phys.J.C52:665-672,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

17 pages, 8 figures

Scientific paper

10.1140/epjc/s10052-007-0396-2

We have done a fast simulation analysis of the charged Higgs signal at LHC in the 1 and 3 prong hadronic $\tau$-jet channels along with the $t \bar t$ background. The $\tau$ polarization was effectively used to suppress the background in both the channels. Combining this with appropriate cuts on the $p_T$ of the $\tau$-jet, the missing $E_T$ and the azimuthal angle between them reduces the background below the signal level. Consequently one gets a viable charged higgs signal up to a mass range of 600-700 GeV at moderate to large $\tan\beta$.

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