pp -> ttH, H->tau tau: toward a model independent determination of the Higgs boson couplings at the LHC

Abstract

The possibility of detecting a Higgs boson through several production and decay channels is instrumental to the measurement of its couplings. In this paper we study the pp-> ttH(H-> tau tau) channel at the LHC, for the case of a scalar Higgs boson, and use the obtained results to improve on existing strategies toward a model independent determination of the Higgs boson couplings. The case of a scalar Higgs boson with mass below 140 GeV looks particularly promising.

19 pages, 5 Figures, LaTex, published version, typos corrected, comments added in Sec. 2

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