Compact Muon Solenoid
LHC, CERN
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| CMS-PAS-HIG-23-002 | ||
| Evidence for the Higgs boson decay to a Z boson and a photon at the LHC | ||
| ATLAS and CMS Collaborations | ||
| 25 May 2023 | ||
| Abstract: The first evidence is presented for the Higgs boson decay to a Z boson and a photon, with a statistical significance of 3.4 standard deviations. The result is derived from a combined analysis of the searches performed by the ATLAS and CMS Collaborations with proton-proton collision data sets collected at the CERN Large Hadron Collider (LHC) from 2015 to 2018. These correspond to integrated luminosities of around 140 fb$^{-1} $ for each experiment, at a center-of-mass energy of 13 TeV. The measured signal rate, relative to the Standard Model prediction, is 2.2 $ \pm $ 0.7, and agrees with the theoretical expectation within 1.9 standard deviations. | ||
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Links:
CDS record (PDF) ;
Physics Briefing ;
CADI line (restricted) ;
These preliminary results are superseded in this paper, PRL 132 (2024) 021803. The superseded preliminary plots can be found here. |
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Compact Muon Solenoid LHC, CERN |
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