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Type: Journal article
Title: Measurement of exclusive γγ →W⁺W⁻ production and search for exclusive Higgs boson production in pp collisions at √s = 8 TeV using the ATLAS detector
Other Titles: Measurement of exclusive gamma gamma ->W(+)W(-) production and search for exclusive Higgs boson production in pp collisions at root s = 8 TeV using the ATLAS detector
Author: Aaboud, M.
Aad, G.
Abbott, B.
Abdallah, J.
Abdinov, O.
Abeloos, B.
Aben, R.
Abouzeid, O.
Abraham, N.
Abramowicz, H.
Abreu, H.
Abreu, R.
Abulaiti, Y.
Acharya, B.
Adamczyk, L.
Adams, D.
Adelman, J.
Adomeit, S.
Adye, T.
Affolder, A.
et al.
Citation: Physical Review D, 2016; 94(3):032011-1-032011-32
Publisher: American Physical Society
Issue Date: 2016
ISSN: 2470-0010
Statement of
M. Aaboud ... P. Jackson ... L. Lee ... A. Petridis ... M.J. White ... [et al.] (The ATLAS Collaboration)
Abstract: Searches for exclusively produced W boson pairs in the process pp(γγ)→pW⁺W⁻p and an exclusively produced Higgs boson in the process pp(gg)→pHp have been performed using e±μ∓ final states. These measurements use 20.2  fb⁻¹ of pp collisions collected by the ATLAS experiment at a center-of-mass energy √s=8  TeV at the LHC. Exclusive production of W⁺W⁻ consistent with the Standard Model prediction is found with 3.0σ significance. The exclusive W⁺W⁻ production cross section is determined to be σ(γγ→W⁺W⁻→e(±)μ(∓)X)=6.9±2.2(stat)±1.4(sys)  fb, in agreement with the Standard Model prediction. Limits on anomalous quartic gauge couplings are set at 95% confidence level as −1.7×10⁻⁶ < aW0/Λ²<1.7×10⁻⁶  GeV⁻² and −6.4×10⁻⁶ < aWC/Λ² < 6.3×10⁻⁶  GeV⁻². A 95% confidence-level upper limit on the total production cross section for an exclusive Higgs boson is set to 1.2 pb.
Rights: © 2016 CERN, for the ATLAS Collaboration. Published by the American Physical Society under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.
RMID: 0030056393
DOI: 10.1103/PhysRevD.94.032011
Appears in Collections:Physics publications

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