Constraints on Higgs boson production with large transverse momentum using H→b¯b decays in the ATLAS detector

ATLAS Publications, T.M. Carter, A. Hasib, M.P. Heath, S. Palazzo, V.A. Parrish, E.P. Takeva, N. Themistokleous, E.M. Villhauer, E. Zaid

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Abstract / Description of output

This paper reports constraints on Higgs boson production with transverse momentum above 1 TeV. The analyzed data from proton–proton collisions at a center-of-mass energy of 13 TeV were recorded with the ATLAS detector at the Large Hadron Collider from 2015 to 2018 and correspond to an integrated luminosity of 136  fb−1. Higgs bosons decaying into b¯b are reconstructed as single large-radius jets recoiling against a hadronic system and are identified by the experimental signature of two b-hadron decays. The experimental techniques are validated in the same kinematic regime using the Z→b¯b process. The 95% confidence-level upper limit on the cross section for Higgs boson production with transverse momentum above 450 GeV is 115 fb, and above 1 TeV it is 9.6 fb. The Standard Model cross section predictions for a Higgs boson with a mass of 125 GeV in the same kinematic regions are 18.4 fb and 0.13 fb, respectively.
Original languageEnglish
Article number092003
Pages (from-to)1-37
Number of pages37
JournalPhysical Review D
Volume105
Issue number9
DOIs
Publication statusPublished - 11 May 2022

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