Measuring the Higgs boson self-coupling at the LHC using ratios of cross sections

Andreas Papaefstathiou; Florian Goertz; Jos\'e Zurita; Li Lin Yang

Measuring the Higgs boson self-coupling at the LHC using ratios of cross sections

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arxiv 1309.3805 v1 pith:DRVWRSF4 submitted 2013-09-15 hep-ph

Florian Goertz , Andreas Papaefstathiou , Li Lin Yang , José Zurita This is my paper · ORCID

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keywords higgscrossdoublemeasuringratiosectionsself-couplingtrilinear

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We consider the ratio between the double and single Higgs production cross sections and examine the prospect of measuring the trilinear Higgs self-coupling using this observable. Such a ratio has a reduced theoretical (scale) uncertainty than the double Higgs cross section. We find that with 600/fb, the 14 TeV LHC can constraint the trilinear Higgs self coupling to be positive, and with 3000/fb one could measure it with a +30 % {-20 %}) accuracy.

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