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Prospective Analysis Spin- and CP-sensitive Variables in H -> ZZ -> l_1 l_1 l_2 l_2 with Atlas

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arxiv hep-ph/0212396 v2 pith:TTVAEXTO submitted 2002-12-30 hep-ph

C. P. Buszello , I. Fleck , P. Marquard , J. J. van der Bij This is my paper · ORCID
classification hep-ph
keywords higgsanalysisangularatlascorrelationsmodelstandardabove
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A possibility to prove spin and CP-eigenvalue of a Standard Model (SM) Higgs boson is presented. We exploit angular correlations in the subsequent decay H -> ZZ -> 4l (muons or electrons) for Higgs masses above 200 GeV. We compare the angular distributions of the leptons originating from the SM Higgs with those resulting from decays of hypothetical particles with differing quantum numbers. We restrict our analysis to the use of the Atlas-detector which is one of two multi-purpose detectors at the upcoming 14 TeV proton-proton-collider (LHC) at CERN. By applying a fast simulation of the Atlas detector it can be shown that these correlations will be measured sufficiently well that consistency with the spin-CP hypothesis 0+ of the Standard Model can be verified and the 0- and 1+- can be ruled out with an integrated luminosity of 100 fb^-1.

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Cited by 2 Pith papers

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  2. Future Collider Perspectives on Higgs CP Violation

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