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.
| Translated title of the contribution | Combined Measurement of the Higgs Boson Mass from the Formula Presented and Formula Presented Decay Channels with the ATLAS Detector Using Formula Presented, 8, and 13 TeV Formula Presented Collision Data |
|---|---|
| Original language | English |
| Article number | 251802 |
| Journal | Physical Review Letters |
| Volume | 131 |
| Issue number | 25 |
| DOIs | |
| State | Published - 22 Dec 2023 |
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