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Evidence for the Higgs Boson Decay to a Z Boson and a Photon at the LHC
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- Aad, G. (author)
- Aix-Marseille University
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- Åkesson, T.P.A. (author)
- Lund University,Lunds universitet,Partikel- och kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Particle and nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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- Doglioni, C. (author)
- Lund University,Lunds universitet,Partikel- och kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Particle and nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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- (creator_code:org_t)
- 2024
- 2024
- English.
- In: Physical Review Letters. - 1079-7114. ; 132:2
- Journal article (peer-reviewed)
Abstract
Subject headings
Close
- The first evidence for the Higgs boson decay to a Z boson and a photon is presented, 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 datasets 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 yield is 2.2±0.7 times the standard model prediction, and agrees with the theoretical expectation within 1.9 standard deviations.
Subject headings
- NATURVETENSKAP -- Fysik -- Subatomär fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Subatomic Physics (hsv//eng)
Keyword
- article
- boson
- controlled study
- human
- major clinical study
- photon
Publication and Content Type
- art (subject category)
- ref (subject category)
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- Aad, G.
- Åkesson, T.P.A.
- Doglioni, C.
- Hedberg, V.
- Herde, H.
- Konya, B.
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- Lytken, E.
- Poettgen, R.
- Simpson, N.D.
- Smirnova, O.
- Zhizhin, I.
- Zhokin, A.
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- NATURAL SCIENCES
- NATURAL SCIENCES
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- Lund University
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