Combined Measurement of the Higgs Boson Mass from the <math display="inline"><mrow><mi>H</mi><mo stretchy="false">→</mo><mi>γ</mi><mi>γ</mi></mrow></math> and <math display="inline"><mrow><mi>H</mi><mo stretchy="false">→</mo><mi>Z</mi><msup><mrow><mi>Z</mi></mrow><mrow><mo>*</mo></mrow></msup><mo stretchy="false">→</mo><mn>4</mn><mo>ℓ</mo></mrow></math> Decay Channels with the ATLAS Detector Using <math display="inline"><mrow><msqrt><mrow><mi>s</mi></mrow></msqrt><mo>=</mo><mn>7</mn></mrow></math>, 8, and 13 TeV <math display="inline"><mi>p</mi><mi>p</mi></math> Collision Data

Aad, Georges; Abbott, Braden Keim; Abeling, Kira; Abicht, Nils Julius; Abidi, Haider; Aboulhorma, Asmaa; Abramowicz, Halina; Abreu, Henso; Abulaiti, Yiming; Acharya, Bobby Samir

doi:10.1103/PhysRevLett.131.251802

Combined Measurement of the Higgs Boson Mass from the $H \to γ γ$ and $H \to Z Z^{*} \to 4 ℓ$ Decay Channels with the ATLAS Detector Using $\sqrt{s} = 7$ , 8, and 13 TeV $p p$ Collision Data

ATLAS

Collaboration

Aug 9, 2023

21 pages

Published in:

Phys.Rev.Lett. 131 (2023) 25, 251802

Published: Dec 21, 2023
and
Published: Dec, 2023

e-Print:

2308.04775 [hep-ex]

DOI:

10.1103/PhysRevLett.131.251802 (publication)

PDG:

{{\mathit H}}

MASS

Report number:

CERN-EP-2023-156

Experiments:

CERN-LHC-ATLAS

View in:

reference search63 citations

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Abstract: (APS)

A measurement of the mass of the Higgs boson combining the

H \to Z Z^{*} \to 4 ℓ

and

H \to γ γ

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 \pm 0.09 (stat) \pm 0.06 (syst) = 125.11 \pm 0.11 GeV

. This corresponds to a 0.09% precision achieved on this fundamental parameter of the Standard Model of particle physics.

Note:

All figures including auxiliary figures will be available at https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/HIGG-2022-20/

p p: colliding beams
Higgs particle: hadroproduction
Higgs particle: decay modes
Higgs particle: radiative decay
photon: pair production
Z0: pair production
Z0: leptonic decay
final state: (4lepton)
Higgs particle: mass: measured
p p: scattering

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