Measurement of e(+)e(-) -> D(D)over-bar cross sections at the psi(3770) resonance

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dc.WoS.categoriesPhysics, Nuclear; Physics, Particles & Fieldsen_US
dc.authorid0000-0001-5050-8441en_US
dc.contributor.authorÇetin, Serkant Ali
dc.date.accessioned2020-06-22T09:53:25Z
dc.date.available2020-06-22T09:53:25Z
dc.date.issued2018-08
dc.departmentFakülteler, Mühendislik ve Doğa Bilimleri Fakültesi, Enerji Sistemleri Mühendisliği Bölümüen_US
dc.description.abstractWe report new measurements of the cross sections for the production of D (D) over bar final states at the psi(3770) resonance. Our data sample consists of an integrated luminosity of 2.93 fb(-1) of e(+)e(-) annihilation data produced by the BEPCII collider and collected and analyzed with the BESIII detector. We exclusively reconstruct three D-0 and six D+ hadronic decay modes and use the ratio of the yield of fully reconstructed D (D) over bar events ("double tags") to the yield of all reconstructed D or (D) over bar mesons ("single tags") to determine the number of D-0(D) over bar (0) and D+D- events, benefiting from the cancellation of many systematic uncertainties. Combining these yields with an independent determination of the integrated luminosity of the data sample, we find the cross sections to be sigma(e(+)e(-) -> D-0(D) over bar (0-) )=(3.615 +/- 0.010 +/- 0.038) nb and sigma(e(+)e(-) -> D+D-)=(2.830 +/- 0.011 +/- 0.026) nb, where the uncertainties are statistical and systematic, respectively.en_US
dc.fullTextLevelFull Texten_US
dc.identifier.doi10.1088/1674-1137/42/8/083001en_US
dc.identifier.issn2058-6132
dc.identifier.issn1674-1137
dc.identifier.scopus2-s2.0-85051252855en_US
dc.identifier.urihttps://hdl.handle.net/11411/2265
dc.identifier.urihttps://doi.org/10.1088/1674-1137/42/8/083001
dc.identifier.wosWOS:000440069200001en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.issue8en_US
dc.language.isoenen_US
dc.nationalInternationalen_US
dc.numberofauthors500+en_US
dc.publisherIOP PUBLISHING LTDen_US
dc.relation.ispartofCHINESE PHYSICS Cen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectcharm mesonsen_US
dc.subjectcross sectionsen_US
dc.subjectBESIII/BEPCIIen_US
dc.titleMeasurement of e(+)e(-) -> D(D)over-bar cross sections at the psi(3770) resonanceen_US
dc.typeArticleen_US
dc.volume42en_US

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