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arxiv: 1311.2931 · v1 · pith:LYXIUCBInew · submitted 2013-11-12 · ✦ hep-ph · hep-ex

Higgs-Pair Production and Measurement of the Triscalar Coupling at LHC(8,14)

Vernon Barger , Lisa L. Everett , C. B. Jackson , Gabe Shaughnessy This is my paper
classification ✦ hep-ph hep-ex
keywords couplingproductiontriscalargammameasurementaccountcross-sectioncut-based
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We simulate the measurement of the triscalar Higgs coupling at LHC(8,14) via pair production of h(125 GeV). We find that the most promising hh final state is bb gamma gamma. We account for deviations of the triscalar coupling from its SM value and study the effects of this coupling on the hh cross-section and distributions with cut-based and multivariate methods. Our fit to the hh production matrix element at LHC(14) with 3 ab^-1 yields a 40% uncertainty on this coupling in the SM and a range of 25-80% uncertainties for non-SM values.

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