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

G. Aad, B. Abbott, K. Abeling, N.  J. Abicht, S.  H. Abidi, A. Aboulhorma, H. Abramowicz, H. Abreu, Y. Abulaiti, B.  S. Acharya, …
Physical review letters, Vol.131(25)
12/21/2023
DOI: https://doi.org/10.1103/physrevlett.131.251802

Abstract

Higgs bosons mass
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 centre-of-mass energy of 13 TeV combined with the run 1 ATLAS mass measurement, 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.
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https://doi.org/10.1103/physrevlett.131.251802View
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