PoS - Proceedings of Science
Volume 449 - The European Physical Society Conference on High Energy Physics (EPS-HEP2023) - T09 Higgs Physics
Higgs boson properties (mass/width) at CMS
F. Errico
Full text: pdf
Pre-published on: February 05, 2024
Published on: March 21, 2024
The Higgs boson mass and its decay width are fundamental properties of this particle. Here we summarise the latest measurements of these properties performed analysing Run 2 data at a centre of mass energy of 13 TeV, with the CMS experiment, in the four-lepton and di-photon final states. The most precise Higgs boson mass measurement is $m_{H}$ = 125.38 $\pm$ 0.14 GeV, while for the width is $\Gamma_{H} = 3.2^{+2.4}_{-1.7}$ MeV, excluding the scenario with $\Gamma_{H}$ = 0 with 3.6 standard deviation.
DOI: https://doi.org/10.22323/1.449.0401
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