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

ATLAS Collaboration, S. Alderweireldt, J.F. Allen, T.M. Carter, P. J. Clark, D. Duda, J.M. Gargan, R.Y. Gonzalez Andana, C. Leonidopoulos, V. J. Martin, L. Mijović, V.A. Parrish, T. Qiu, E.P. Takeva, N. Themistokleous, E.M. Villhauer, B.M. Wynne, Z. Xu, E. Zaid

Research output: Contribution to journalArticlepeer-review

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)1-21
Number of pages21
JournalPhysical Review Letters
Volume131
Issue number25
Early online date21 Dec 2023
DOIs
Publication statusPublished - 22 Dec 2023

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