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|Title:||Search for non-resonant Higgs boson pair production in the bbℓνℓν final state with the ATLAS detector in pp collisions at √s=13 TeV|
|Other Titles:||Search for non-resonant Higgs boson pair production in the bb l nu l nu final state with the ATLAS detector in pp collisions at root s=13 TeV|
Abed Abud, A.
Adam Bourdarios, C.
|Citation:||Physics Letters B: Nuclear Physics and Particle Physics, 2020; 801:135145-1-135145-22|
|G. Aad, B. Abbott, D.C. Abbott, A. Abed Abud ... Paul Jackson ... Martin White ... et al. (The ATLAS Collaboration)|
|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 channel and the other via one of the H→bb channels and the other via one of the H→WW⁎/ZZ⁎/ππ 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⁺⁰·⁴/−₀‚₃) pb is set on the non-resonant Higgs boson pair production cross-section at 95% confidence level, which is equivalent to 40 (29⁺¹⁴/−₉) times the value predicted in the Standard Model.|
|Rights:||©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.|
|Appears in Collections:||Aurora harvest 4|
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