Measurements of Higgs boson production and couplings in diboson final states with the ATLAS detector at the LHC

Aad, G. and Abajyan, T. and Abbott, B. and Abdallah, J. and AbdelKhalek, S. and Abdinov, O. and Aben, R. and Abi, B. and Abolins, M. and AbouZeid, O. S. and Abramowicz, H. and Abreu, H. and Abulaiti, Y. and Acharya, B. S. and Adamczyk, L. and Adams, D. L. and Addy, T. N. and Adelman, J. and Adomeit, S. and Adye, T. and Aefsky, S. and Aguilar-Saavedra, J. A. and Agustoni, M. and Ahlen, S. P. and Ahmad, A. and Ahsan, M. and Aielli, G. and Åkesson, T. P. A. and Akimoto, G. and Akimov, A. V. and Krasznahorkay, Attila and Nagai, Yoshikazu and Pásztor, Gabriella and Tóth, József (2013) Measurements of Higgs boson production and couplings in diboson final states with the ATLAS detector at the LHC. PHYSICS LETTERS B, 726 (1-3). pp. 88-119. ISSN 0370-2693

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Abstract

Measurements are presented of production properties and couplings of the recently discovered Higgs boson using the decays into boson pairs, H → γγ, H→ ZZ∗→ 4` and H→ WW∗→ `ν`ν. The results are based on the complete pp collision data sample recorded by the ATLAS experiment at the CERN Large Hadron Collider at centre-of-mass energies of √ s=7 TeV and √ s=8 TeV, corresponding to an integrated luminosity of about 25 fb−1 . Evidence for Higgs boson production through vectorboson fusion is reported. Results of combined fits probing Higgs boson couplings to fermions and bosons, as well as anomalous contributions to loop-induced production and decay modes, are presented. All measurements are consistent with expectations for the Standard Model Higgs boson.

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