Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1993-11-29
Phys.Lett.B324:236-240,1994
Physics
High Energy Physics
High Energy Physics - Phenomenology
Standard latex, 9 pages. Two figures, postscript files or hardcopies available upon request (will also be uuencoded and submit
Scientific paper
10.1016/0370-2693(94)90413-8
We discuss the viability of $gb \to tH \to ttb$ charged-Higgs signals at the proposed LHC $pp$ supercollider, in the decay channel $tt \to (bq \bar q')(b \ell \nu)$. Here one top quark decays hadronically and one semileptonically, with all three $b$-quarks giving flavor-tagged jets. The principal backgrounds come from $ttg,ttq,ttc$ and $ttb$ continuum production, with possible mis-tagging of $g,q$ and $c$. We conclude that significant signals can be separated from these backgrounds, for limited but interesting ranges of the parameters $m_{H\pm}$ and $\tan\beta$, with the LHC energy and luminosity.
Barger Vernon
Phillip R. J. N.
Roy David P.
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