Determination of spin and parity of the Higgs boson in the WW[superscript ∗] → eνμν decay channel with the ATLAS detector

Studies of the spin and parity quantum numbers of the Higgs boson in the WW[superscript ∗] → eνμν final state are presented, based on proton–proton collision data collected by the ATLAS detector at the Large Hadron Collider, corresponding to an integrated luminosity of 20.3 fb[superscript −1] at a c...

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Main Author: Taylor, Frank E.
Other Authors: Massachusetts Institute of Technology. Department of Physics
Format: Article
Language:en_US
Published: Springer-Verlag 2015
Online Access:http://hdl.handle.net/1721.1/98197
https://orcid.org/0000-0002-7586-7253
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author Taylor, Frank E.
author2 Massachusetts Institute of Technology. Department of Physics
author_facet Massachusetts Institute of Technology. Department of Physics
Taylor, Frank E.
author_sort Taylor, Frank E.
collection MIT
description Studies of the spin and parity quantum numbers of the Higgs boson in the WW[superscript ∗] → eνμν final state are presented, based on proton–proton collision data collected by the ATLAS detector at the Large Hadron Collider, corresponding to an integrated luminosity of 20.3 fb[superscript −1] at a centre-of-mass energy of √s = 8 TeV. The Standard Model spin-parity J[superscript CP] = 0[superscript ++] hypothesis is compared with alternative hypotheses for both spin and CP. The case where the observed resonance is a mixture of the Standard-Model-like Higgs boson and CP-even (J[superscript CP] = 0[superscript ++]) or CP-odd (J[superscript CP] = 0[superscript +−]) Higgs boson in scenarios beyond the Standard Model is also studied. The data are found to be consistent with the Standard Model prediction and limits are placed on alternative spin and CP hypotheses, including CP mixing in different scenarios.
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spelling mit-1721.1/981972022-09-30T07:18:45Z Determination of spin and parity of the Higgs boson in the WW[superscript ∗] → eνμν decay channel with the ATLAS detector Taylor, Frank E. Massachusetts Institute of Technology. Department of Physics Taylor, Frank E. Studies of the spin and parity quantum numbers of the Higgs boson in the WW[superscript ∗] → eνμν final state are presented, based on proton–proton collision data collected by the ATLAS detector at the Large Hadron Collider, corresponding to an integrated luminosity of 20.3 fb[superscript −1] at a centre-of-mass energy of √s = 8 TeV. The Standard Model spin-parity J[superscript CP] = 0[superscript ++] hypothesis is compared with alternative hypotheses for both spin and CP. The case where the observed resonance is a mixture of the Standard-Model-like Higgs boson and CP-even (J[superscript CP] = 0[superscript ++]) or CP-odd (J[superscript CP] = 0[superscript +−]) Higgs boson in scenarios beyond the Standard Model is also studied. The data are found to be consistent with the Standard Model prediction and limits are placed on alternative spin and CP hypotheses, including CP mixing in different scenarios. United States. Dept. of Energy National Science Foundation (U.S.) Brookhaven National Laboratory 2015-08-24T12:11:29Z 2015-08-24T12:11:29Z 2015-05 2015-03 Article http://purl.org/eprint/type/JournalArticle 1434-6044 1434-6052 http://hdl.handle.net/1721.1/98197 Aad, G., B. Abbott, J. Abdallah, O. Abdinov, R. Aben, M. Abolins, O. S. AbouZeid, et al. “Determination of Spin and Parity of the Higgs Boson in the WW[superscript ∗] → eνμν Decay Channel with the ATLAS Detector.” The European Physical Journal C 75, no. 5 (May 2015). © 2015 CERN for the benefit of the ATLAS collaboration https://orcid.org/0000-0002-7586-7253 en_US http://dx.doi.org/10.1140/epjc/s10052-015-3436-3 The European Physical Journal C Creative Commons Attribution http://creativecommons.org/licenses/by/4.0/ application/pdf Springer-Verlag Springer-Verlag
spellingShingle Taylor, Frank E.
Determination of spin and parity of the Higgs boson in the WW[superscript ∗] → eνμν decay channel with the ATLAS detector
title Determination of spin and parity of the Higgs boson in the WW[superscript ∗] → eνμν decay channel with the ATLAS detector
title_full Determination of spin and parity of the Higgs boson in the WW[superscript ∗] → eνμν decay channel with the ATLAS detector
title_fullStr Determination of spin and parity of the Higgs boson in the WW[superscript ∗] → eνμν decay channel with the ATLAS detector
title_full_unstemmed Determination of spin and parity of the Higgs boson in the WW[superscript ∗] → eνμν decay channel with the ATLAS detector
title_short Determination of spin and parity of the Higgs boson in the WW[superscript ∗] → eνμν decay channel with the ATLAS detector
title_sort determination of spin and parity of the higgs boson in the ww superscript ∗ eνμν decay channel with the atlas detector
url http://hdl.handle.net/1721.1/98197
https://orcid.org/0000-0002-7586-7253
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