Anomalous gauge couplings of the Higgs boson at the CERN LHC: Semileptonic mode in WW scatterings

Details Anomalous gauge couplings of the Higgs boson at the CERN LHC: Semileptonic mode in WW scatterings Anomalous gauge couplings of the Higgs boson at the CERN LHC: Semileptonic mode in WW scatterings

2008-11-19

arxiv.org/abs/0811.3099v4

Phys.Rev.D79:055010,2009; Erratum-ibid.D82:119902,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

PACS numbers updated. Version published in Phys.Rev.D79,055010(2009)

Scientific paper

10.1103/= 10.1103/PhysRevD.82.11

We make a full tree level study of the signatures of anomalous gauge couplings of the Higgs boson at the CERN LHC via the semileptonic decay mode in WW scatterings. Both signals and backgrounds are studied at the hadron level for the Higgs mass in the range 115 GeV to 200 GeV. We carefully impose suitable kinematical cuts for suppressing the backgrounds. To the same sensitivity as in the pure leptonic mode, our result shows that the semileptonic mode can reduce the required integrated luminosity by a factor of 3. If the anomalous couplings in nature are actually larger than the sensitivity bounds shown in the text, the experiment can start the test for an integrated luminosity of 50 inverse fb.

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