Publications associated with SNO+


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

PHYSICS LETTERS B 801 (2020) ARTN 135145

M Aaboud, G Aad, B Abbott, O Abdinov, B Abeloos, D Abhayasinghe, S Abidi, O AbouZeid, N Abraham, H Abramowicz, H Abreu, Y Abulaiti, B Acharya, S Adachi, L Adamczyk, J Adelman, M Adersberger, A Adiguzel, T Adye, A Affolder, Y Afik, C Agheorghiesei, J Aguilar-Saavedra, S Akatsuka, T Akesson

© 2019 The Author(s) 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⁎/ττ 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.


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