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    Search for non-resonant Higgs boson pair production in the bbl nu l nu final state with the ATLAS detector in pp collisions at root s=13 TeV

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    1-s2.0-S0370269319308676-main.pdf
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    Final Published Version
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    Author
    Berlendis, S
    Cheu, E
    Johns, K A
    Jones, S
    Lampl, W
    LeBlanc, M
    Leone, R
    Loch, P
    Nayyar, R
    Varnes, E W
    Zhou, Y
    Show allShow less
    Affiliation
    Univ Arizona, Dept Phys
    Issue Date
    2019-12-13
    
    Metadata
    Show full item record
    Publisher
    ELSEVIER
    Citation
    Aad, G., Abbott, B., Abbott, D. C., Abed Abud, A., Abeling, K., Abhayasinghe, D. K., … Zwalinski, L. (2020). Search for non-resonant Higgs boson pair production in the bbℓνℓν final state with the ATLAS detector in pp collisions at s=13 TeV. Physics Letters B, 801, 135145. https://doi.org/10.1016/j.physletb.2019.135145 ‌
    Journal
    PHYSICS LETTERS B
    Rights
    Copyright © 2019 The Author(s). Published by Elsevier B. V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). Funded by SCOAP3.
    Collection Information
    This item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.
    Abstract
    A search for non-resonant Higgs boson pair production, as predicted by the Standard Model, is presented, where one of the Higgs bosons decays via the H -> bb channel and the other via one of the H -> WW*/ZZ*/tau tau channels. The analysis selection requires events to have at least two b-tagged jets and exactly two leptons (electrons or muons) with opposite electric charge in the final state. Candidate events consistent with Higgs boson pair production are selected using a multi-class neural network discriminant. The analysis uses 139 fb(-1) of pp collision data recorded at a centre-of-mass energy of 13 TeV by the ATLAS detector at the Large Hadron Collider. An observed (expected) upper limit of 1.2 (0.9(-0.3)(+0.4)) pb is set on the non-resonant Higgs boson pair production cross-section at 95% confidence level, which is equivalent to 40 (29(-9)(+14)) times the value predicted in the Standard Model. (C) 2019 The Author(s). Published by Elsevier B.V.
    Note
    Open access journal
    ISSN
    0370-2693
    DOI
    10.1016/j.physletb.2019.135145
    Version
    Final published version
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.physletb.2019.135145
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    UA Faculty Publications

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