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Article: A search for the Zγ decay mode of the Higgs boson in ppcollisions at √s=13TeVwith the ATLAS detector

TitleA search for the Zγ decay mode of the Higgs boson in ppcollisions at √s=13TeVwith the ATLAS detector
Authors
Issue Date2020
PublisherElsevier: SCOAP3. The Journal's web site is located at http://www.elsevier.com/locate/physletb
Citation
Physics Letters B, 2020, v. 809, p. article no. 135754 How to Cite?
AbstractA search for the Z gamma decay of the Higgs boson, with Z boson decays into pairs of electrons or muons is presented. The analysis uses proton-proton collision data at root s = 13 TeV corresponding to an integrated luminosity of 139 fb(-1) recorded by the ATLAS detector at the Large Hadron Collider. The observed data are consistent with the expected background with a p-value of 1.3%. An upper limit at 95% confidence level on the production cross-section times the branching ratio for pp -> H -> Z gamma is set at 3.6 times the Standard Model prediction while 2.6 times is expected in the presence of the Standard Model Higgs boson. The best-fit value for the signal yield normalised to the Standard Model prediction is 2.0(-0.9)(+1.0) where the statistical component of the uncertainty is dominant. (C) 2020 The Author. Published by Elsevier B.V.
Persistent Identifierhttp://hdl.handle.net/10722/294656
ISSN
2023 Impact Factor: 4.3
2023 SCImago Journal Rankings: 1.593
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorLo, CY-
dc.contributor.authorParedes Hernandez, D-
dc.contributor.authorSalvucci, A-
dc.contributor.authorTam, KC-
dc.contributor.authorTu, Y-
dc.contributor.authorThe ATLAS Collaboration-
dc.date.accessioned2020-12-08T07:40:03Z-
dc.date.available2020-12-08T07:40:03Z-
dc.date.issued2020-
dc.identifier.citationPhysics Letters B, 2020, v. 809, p. article no. 135754-
dc.identifier.issn0370-2693-
dc.identifier.urihttp://hdl.handle.net/10722/294656-
dc.description.abstractA search for the Z gamma decay of the Higgs boson, with Z boson decays into pairs of electrons or muons is presented. The analysis uses proton-proton collision data at root s = 13 TeV corresponding to an integrated luminosity of 139 fb(-1) recorded by the ATLAS detector at the Large Hadron Collider. The observed data are consistent with the expected background with a p-value of 1.3%. An upper limit at 95% confidence level on the production cross-section times the branching ratio for pp -> H -> Z gamma is set at 3.6 times the Standard Model prediction while 2.6 times is expected in the presence of the Standard Model Higgs boson. The best-fit value for the signal yield normalised to the Standard Model prediction is 2.0(-0.9)(+1.0) where the statistical component of the uncertainty is dominant. (C) 2020 The Author. Published by Elsevier B.V.-
dc.languageeng-
dc.publisherElsevier: SCOAP3. The Journal's web site is located at http://www.elsevier.com/locate/physletb-
dc.relation.ispartofPhysics Letters B-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.titleA search for the Zγ decay mode of the Higgs boson in ppcollisions at √s=13TeVwith the ATLAS detector-
dc.typeArticle-
dc.identifier.emailLo, CY: samuel3@hku.hk-
dc.identifier.emailParedes Hernandez, D: dparedes@hku.hk-
dc.identifier.emailTu, Y: yanjuntu@hku.hk-
dc.identifier.authorityTu, Y=rp01971-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1016/j.physletb.2020.135754-
dc.identifier.scopuseid_2-s2.0-85092316024-
dc.identifier.hkuros320350-
dc.identifier.volume809-
dc.identifier.spagearticle no. 135754-
dc.identifier.epagearticle no. 135754-
dc.identifier.isiWOS:000581871500054-
dc.publisher.placeNetherlands-

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