Combined Measurement of the Higgs Boson Mass from the H→γγ and H→ZZ∗→4ℓ Decay Channels with the ATLAS Detector Using √s = 7, 8, and 13 TeV pp Collision Data

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Abstract

A measurement of the mass of the Higgs boson combining the H→ZZ∗→4ℓ and H→γγ decay channels is presented. The result is based on 140  fb−1 of proton-proton collision data collected by the ATLAS detector during LHC run 2 at a center-of-mass energy of 13 TeV combined with the run 1 ATLAS mass measurement, performed at center-of-mass energies of 7 and 8 TeV, yielding a Higgs boson mass of 125.11±0.09(stat)±0.06(syst)=125.11±0.11  GeV. This corresponds to a 0.09% precision achieved on this fundamental parameter of the Standard Model of particle physics.

Original languageEnglish
Article number251802
Pages (from-to)251802
Number of pages1
JournalPhysical Review Letters
Volume131
Issue number25
DOIs
StatePublished - 22 Dec 2023

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy

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