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Measurement of the Higgs boson mass from theH→γγandH→ZZ*→4lchannels inppcollisions at center-of-mass energies of 7 and 8 TeV with the ATLAS detector

Aad, G.
•
Abbott, B.
•
Abdallah, J.
altro
GIORDANI, Mario
2014
  • journal article

Periodico
PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY
Abstract
An improved measurement of the mass of the Higgs boson is derived from a combined fit to the reconstructed invariant mass spectra of the decay channels H → γγ and H → ZZ∗→ 4l. The analysis uses the pp collision data sample recorded by the ATLAS experiment at the CERN Large Hadron Collider at center-of-mass energies of 7 TeV and 8 TeV, corresponding to an integrated luminosity of 25 fb-1. The measured value of the Higgs boson mass is mH= 125.36 ± 0.37(stat) ± 0.18(syst) GeV. This result is based on improved energy-scale calibrations for photons, electrons, and muons as well as other analysis improvements, and supersedes the previous result from ATLAS. Upper limits on the total width of the Higgs boson are derived from fits to the invariant mass spectra of the H → γγ and H → ZZ∗→ 4l decay channels.
DOI
10.1103/PhysRevD.90.052004
WOS
WOS:000343758200002
Archivio
http://hdl.handle.net/11390/1110032
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-84924022283
Diritti
metadata only access
Scopus© citazioni
224
Data di acquisizione
Jun 14, 2022
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Web of Science© citazioni
154
Data di acquisizione
Mar 27, 2024
Visualizzazioni
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Data di acquisizione
Apr 19, 2024
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