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Measurement of the absolute branching fraction for Λc+ → Λe+νe

dc.contributor.authorAblikim, M.
dc.contributor.authorAchasov, M. N.
dc.contributor.authorAi, X. C.
dc.contributor.authorAlbayrak, O.
dc.contributor.authorAlbrecht, M.
dc.contributor.authorAmbrose, D. J.
dc.contributor.authorAmoroso, A.
dc.contributor.authorAn, F. F.
dc.contributor.authorAn, Q.
dc.contributor.authorBai, J. Z.
dc.contributor.authorFerroli, R. Baldini
dc.contributor.authorBan, Y.
dc.contributor.authorBennett, D. W.
dc.contributor.authorBennett, J. V.
dc.contributor.authorBertani, M.
dc.contributor.authorBettoni, D.
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dc.contributor.authorBianchi, F.
dc.contributor.authorBoger, E.
dc.contributor.authorBoyko, I.
dc.contributor.authorBriere, R. A.
dc.contributor.authorCai, H.
dc.contributor.authorCai, X.
dc.contributor.authorCakir, O.
dc.contributor.authorCalcaterra, A.
dc.contributor.authorCao, G. F.
dc.contributor.authorCetin, S. A.
dc.contributor.authorChang, J. F.
dc.contributor.authorChelkov, G.
dc.contributor.authorChen, G.
dc.contributor.authorChen, H. S.
dc.contributor.authorChen, H. Y.
dc.contributor.authorChen, J. C.
dc.contributor.authorChen, M. L.
dc.contributor.authorChen, S. J.
dc.contributor.authorChen, X.
dc.contributor.authorChen, X. R.
dc.contributor.authorChen, Y. B.
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dc.contributor.authorChu, X. K.
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dc.contributor.authorDbeyssi, A.
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dc.contributor.authorDenysenko, I.
dc.contributor.authorDestefanis, M.
dc.contributor.authorDe Mori, F.
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dc.contributor.authorFang, X.
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dc.contributor.authorLi, Cheng
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dc.contributor.authorZhemchugov, A.
dc.contributor.authorZheng, B.
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dc.contributor.authorZheng, W. J.
dc.contributor.authorZheng, Y. H.
dc.contributor.authorZhong, B.
dc.contributor.authorZhou, L.
dc.contributor.authorZhou, X.
dc.contributor.authorZhou, X. K.
dc.contributor.authorZhou, X. R.
dc.contributor.authorZhou, X. Y.
dc.contributor.authorZhu, K.
dc.contributor.authorZhu, K. J.
dc.contributor.authorZhu, S.
dc.contributor.authorZhu, S. H.
dc.contributor.authorZhu, X. L.
dc.contributor.authorZhu, Y. C.
dc.contributor.authorZhu, Y. S.
dc.contributor.authorZhu, Z. A.
dc.contributor.authorZhuang, J.
dc.contributor.authorZotti, L.
dc.contributor.authorZou, B. S.
dc.contributor.authorZou, J. H.
dc.contributor.authorBESIII Collaboration
dc.contributor.buuauthorTapan, İlhan
dc.contributor.buuauthorTAPAN, İLHAN
dc.contributor.departmentBursa Uludağ Üniversitesi
dc.date.accessioned2024-08-15T06:04:52Z
dc.date.available2024-08-15T06:04:52Z
dc.date.issued2015-11-25
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.
dc.description.sponsorshipNational Basic Research Program of China 2015CB856700
dc.description.sponsorshipNational Natural Science Foundation of China (NSFC) 11125525 11235011 11275266 11322544 11335008 11425524 11505010
dc.description.sponsorshipChinese Academy of Sciences
dc.description.sponsorshipCAS Center for Excellence in Particle Physics (CCEPP)
dc.description.sponsorshipCollaborative Innovation Center for Particles and Interactions (CICPI)
dc.description.sponsorshipJoint Large-Scale Scientific Facility Funds of the NSFC
dc.description.sponsorshipChinese Academy of Sciences 11179007 U1232201 U1332201 KJCX2-YW-N29 KJCX2-YW-N45
dc.description.sponsorshipNational 1000 Talents Program of China
dc.description.sponsorshipINPAC
dc.description.sponsorshipShanghai Key Laboratory for Particle Physics and Cosmology
dc.description.sponsorshipGerman Research Foundation (DFG) CRC-1044
dc.description.sponsorshipIstituto Nazionale di Fisica Nucleare (INFN)
dc.description.sponsorshipKoninklijke Nederlandse Akademie van Wetenschappen (KNAW) 530-4CDP03
dc.description.sponsorshipTurkiye Cumhuriyeti Kalkinma Bakanligi DPT2006K-120470
dc.description.sponsorshipRussian Foundation for Basic Research (RFBR) Spanish Government 14-07-91152
dc.description.sponsorshipSwedish Resarch Council
dc.description.sponsorshipUnited States Department of Energy (DOE) DE-FG02-04ER41291 DE-FG02-05ER41374 DE-SC0012069 DESC0010118
dc.description.sponsorshipNational Science Foundation (NSF)
dc.description.sponsorshipUniversity of Groningen (RuG)
dc.description.sponsorshipHelmholtzzentrum fuer Schwerionenforschung GmbH (GSI), Darmstadt
dc.description.sponsorshipNational Research Foundation of Korea R32-2008-000-10155-0
dc.identifier.doi10.1103/PhysRevLett.115.221805
dc.identifier.issn0031-9007
dc.identifier.issue22
dc.identifier.scopus2-s2.0-84949676188
dc.identifier.urihttps://doi.org/10.1103/PhysRevLett.115.221805
dc.identifier.urihttps://hdl.handle.net/11452/44034
dc.identifier.volume115
dc.identifier.wos000365525400007
dc.indexed.wosWOS.SCI
dc.language.isoen
dc.publisherAmer Physical Soc
dc.relation.journalPhysical Review Letters
dc.relation.publicationcategoryMakale - Ulusal Hakemli Dergi
dc.subjectSemileptonic decays
dc.subjectBaryon decays
dc.subjectCharm baryons
dc.subjectPredictions
dc.subjectScience & technology
dc.subjectPhysical sciences
dc.subjectPhysics, multidisciplinary
dc.subjectPhysics
dc.titleMeasurement of the absolute branching fraction for Λc+ → Λe+νe
dc.typeArticle
dspace.entity.typePublication
local.contributor.departmentBursa Uludağ Üniversitesi
local.indexed.atWOS
local.indexed.atScopus
relation.isAuthorOfPublication197aec07-a4ed-42b7-a3d3-d7476357d6ef
relation.isAuthorOfPublication.latestForDiscovery197aec07-a4ed-42b7-a3d3-d7476357d6ef

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