Observation of τ Lepton Pair Production in Ultraperipheral Pb-Pb Collisions at √sNN=5.02 TeV

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dc.authoridShopova, Mariana/0000-0001-6664-2493
dc.authoridGaile, Antra/0000-0003-1350-3523
dc.authoridGarcia, Francisco/0000-0002-4023-7964
dc.authoridLuukka, Panja/0000-0003-2340-4641
dc.authoridAsenov, Patrick/0000-0003-2379-9903
dc.authoridCERCI, SALIM/0000-0002-8702-6152
dc.authoridBarria, Patrizia/0000-0002-3924-7380
dc.contributor.authorTumasyan, A.
dc.contributor.authorAdam, W.
dc.contributor.authorAndrejkovic, J. W.
dc.contributor.authorBergauer, T.
dc.contributor.authorChatterjee, S.
dc.contributor.authorDamanakis, K.
dc.contributor.authorDragicevic, M.
dc.date.accessioned2025-03-23T19:32:20Z
dc.date.available2025-03-23T19:32:20Z
dc.date.issued2023
dc.departmentSinop Üniversitesi
dc.description.abstractWe present an observation of photon-photon production of t lepton pairs in ultraperipheral lead-lead collisions. The measurement is based on a data sample with an integrated luminosity of 404 mu b(-1) collected by the CMS experiment at a center-of-mass energy per nucleon pair of root s(NN) = 5.02 TeV. The gamma gamma -> tau(+)tau(-) process is observed for tau(+)tau(-) events with a muon and three charged hadrons in the final state. The measured fiducial cross section is sigma(gamma gamma ->tau(+)tau(-)) = 4.8 +/- 0.6(stat) +/- 0.5(syst) mu b, where the second (third) term corresponds to the statistical (systematic) uncertainty in sigma(gamma gamma ->tau(+)tau(-)) in agreement with leading-order QED predictions. Using sigma(gamma gamma ->tau(+)tau(-)), we estimate a model-dependent value of the anomalous magnetic moment of the t lepton of at a(tau) = 0.001(-0.089)(+0.055).
dc.identifier.doi10.1103/PhysRevLett.131.151803
dc.identifier.issn0031-9007
dc.identifier.issn1079-7114
dc.identifier.issue15
dc.identifier.pmid37897747
dc.identifier.scopus2-s2.0-85175275979
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1103/PhysRevLett.131.151803
dc.identifier.urihttps://hdl.handle.net/11486/5471
dc.identifier.volume131
dc.identifier.wosWOS:001096935800001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherAmer Physical Soc
dc.relation.ispartofPhysical Review Letters
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WOS_20250323
dc.titleObservation of τ Lepton Pair Production in Ultraperipheral Pb-Pb Collisions at √sNN=5.02 TeV
dc.typeArticle

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