Measurement of the Absolute Branching Fraction for Lambda(+)(c) -> Lambda e(+)nu(e)

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dc.WoS.categoriesPhysics, Multidisciplinaryen_US
dc.authorid0000-0001-5050-8441en_US
dc.contributor.authorÇetin, Serkant Ali
dc.date.accessioned2020-10-30T11:03:14Z
dc.date.available2020-10-30T11:03:14Z
dc.date.issued2015-11-25
dc.departmentFakülteler, Mühendislik ve Doğa Bilimleri Fakültesi, Enerji Sistemleri Mühendisliği Bölümüen_US
dc.description.abstractWe report the first measurement of the absolute branching fraction for Lambda(+)(c) -> Lambda e(+)nu(e). This measurement is based on 567 pb(-1) of e(+)e(-) annihilation data produced at root s = 4.599 GeV, which is just above the Lambda(+)(c)Lambda(-)(c) threshold. The data were collected with the BESIII detector at the BEPCII storage rings. The branching fraction is determined to be B(Lambda(+)(c) -> Lambda e(+)nu(e)) = [3.63 +/- 0.38(stat) +/- 0.20(syst)] %, representing a significant improvement in precision over the current indirect determination. As the branching fraction for Lambda(+)(c) -> Lambda e(+)nu(e) is the benchmark for those of other Lambda(+)(c) semileptonic channels, our result provides a unique test of different theoretical models, which is the most stringent to date.en_US
dc.fullTextLevelFull Texten_US
dc.identifier.doi10.1103/PhysRevLett.115.221805en_US
dc.identifier.issn1079-7114
dc.identifier.issn0031-9007
dc.identifier.pmid26650293en_US
dc.identifier.scopus2-s2.0-84949676188en_US
dc.identifier.urihttps://hdl.handle.net/11411/2393
dc.identifier.urihttps://doi.org/10.1103/PhysRevLett.115.221805
dc.identifier.wosWOS:000365525400007en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.issue22en_US
dc.language.isoenen_US
dc.nationalInternationalen_US
dc.numberofauthors100+en_US
dc.publisherAmer. Physical Soc.en_US
dc.relation.ispartofPhysical Review Lettersen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectSEMILEPTONIC DECAYSen_US
dc.subjectCHARMED BARYONSen_US
dc.subjectHEAVY-QUARKen_US
dc.subjectPREDICTIONSen_US
dc.subjectMODELen_US
dc.subjectANNIHILATIONen_US
dc.titleMeasurement of the Absolute Branching Fraction for Lambda(+)(c) -> Lambda e(+)nu(e)en_US
dc.typeArticleen_US
dc.volume115en_US

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