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Article: Observation of photon-induced W+W−production in pp collisions at √s=13TeV using the ATLAS detector

TitleObservation of photon-induced W+W−production in pp collisions at √s=13TeV using the ATLAS detector
Authors
Issue Date2021
PublisherElsevier: SCOAP3. The Journal's web site is located at http://www.elsevier.com/locate/physletb
Citation
Physics Letters B, 2021, v. 816, p. article no. 136190 How to Cite?
AbstractThis letter reports the observation of photon-induced production of W-boson pairs, gamma gamma -> WW. The analysis uses 139 fb(-1) of LHC proton-proton collision data taken at root s = 13 TeV recorded by the ATLAS experiment during the years 2015-2018. The measurement is performed selecting one electron and one muon, corresponding to the decay of the diboson system as WW -> e(+/-)nu mu(-/+)nu final state. The background-only hypothesis is rejected with a significance of well above 5 standard deviations consistent with the expectation from Monte Carlo simulation. A cross section for the gamma gamma -> WW process of 3.13 +/- 0.31(stat.) +/- 0.28(syst.) fb is measured in a fiducial volume close to the acceptance of the detector, by requiring an electron and a muon of opposite signs with large dilepton transverse momentum and exactly zero additional charged particles. This is found to be in agreement with the Standard Model prediction. (C) 2021 The Author(s). Published by Elsevier B.V.
Persistent Identifierhttp://hdl.handle.net/10722/300322
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.authorPENG, C-
dc.contributor.authorTAM, KC-
dc.contributor.authorTu, Y-
dc.contributor.authorATLAS Collaboration-
dc.contributor.authorPizzimento, L-
dc.date.accessioned2021-06-04T08:41:17Z-
dc.date.available2021-06-04T08:41:17Z-
dc.date.issued2021-
dc.identifier.citationPhysics Letters B, 2021, v. 816, p. article no. 136190-
dc.identifier.issn0370-2693-
dc.identifier.urihttp://hdl.handle.net/10722/300322-
dc.description.abstractThis letter reports the observation of photon-induced production of W-boson pairs, gamma gamma -> WW. The analysis uses 139 fb(-1) of LHC proton-proton collision data taken at root s = 13 TeV recorded by the ATLAS experiment during the years 2015-2018. The measurement is performed selecting one electron and one muon, corresponding to the decay of the diboson system as WW -> e(+/-)nu mu(-/+)nu final state. The background-only hypothesis is rejected with a significance of well above 5 standard deviations consistent with the expectation from Monte Carlo simulation. A cross section for the gamma gamma -> WW process of 3.13 +/- 0.31(stat.) +/- 0.28(syst.) fb is measured in a fiducial volume close to the acceptance of the detector, by requiring an electron and a muon of opposite signs with large dilepton transverse momentum and exactly zero additional charged particles. This is found to be in agreement with the Standard Model prediction. (C) 2021 The Author(s). 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.titleObservation of photon-induced W+W−production in pp collisions at √s=13TeV using the ATLAS detector-
dc.typeArticle-
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.2021.136190-
dc.identifier.scopuseid_2-s2.0-85112780142-
dc.identifier.hkuros322691-
dc.identifier.volume816-
dc.identifier.spagearticle no. 136190-
dc.identifier.epagearticle no. 136190-
dc.identifier.isiWOS:000647421500033-
dc.publisher.placeNetherlands-

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