Wuppertal 2015 – scientific programme

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T: Fachverband Teilchenphysik

T 49: Higgs: Eigenschaften

T 49.6: Talk

Tuesday, March 10, 2015, 18:00–18:15, M.10.12 (HS 14)

Studies of the spin and parity quantum numbers of the Higgs boson in the H → WW^* → ℓ νℓ ν final state — •Tatjana Lenz — Physikalisches Institut Bonn

Studies of the spin and parity quantum numbers of the Higgs boson in the H → WW^* → ℓ νℓ ν final state are presented, based on proton-proton collision data collected by the ATLAS detector at the LHC. The Standard Model spin-parity J^CP = 0⁺⁺ hypothesis is compared with alternative hypotheses. The case when the observed resonance is a mixture of the SM Higgs and a BSM CP-even (J^CP = 0⁺⁺) or BSM CP-odd (J^CP = 0⁺⁻) Higgs signal is also studied by scanning all possible mixing combinations. The analysis dataset corresponds to an integrated luminosity of 20.3 fb⁻¹ collected at the centre-of mass energy of √s=8 TeV.