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Precision measurement of the e+e- → Λc+ Λ c- cross section near threshold

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dc.contributor.authorAblikim M.
dc.contributor.authorAchasov M.N.
dc.contributor.authorAhmed S.
dc.contributor.authorAlbrecht M.
dc.contributor.authorAlekseev M.
dc.contributor.authorAmoroso A.
dc.contributor.authorAn F.F.
dc.contributor.authorAn Q.
dc.contributor.authorBai J.Z.
dc.contributor.authorBai Y.
dc.contributor.authorBakina O.
dc.contributor.authorBaldini Ferroli R.
dc.contributor.authorBan Y.
dc.contributor.authorBegzsuren K.
dc.contributor.authorBennett D.W.
dc.contributor.authorBennett J.V.
dc.contributor.authorBerger N.
dc.contributor.authorBertani M.
dc.contributor.authorBettoni D.
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.authorChai J.
dc.contributor.authorChang J.F.
dc.contributor.authorChelkov G.
dc.contributor.authorChen G.
dc.contributor.authorChen H.S.
dc.contributor.authorChen J.C.
dc.contributor.authorChen M.L.
dc.contributor.authorChen P.L.
dc.contributor.authorChen S.J.
dc.contributor.authorChen X.R.
dc.contributor.authorChen Y.B.
dc.contributor.authorChu X.K.
dc.contributor.authorCibinetto G.
dc.contributor.authorCossio F.
dc.contributor.authorDai H.L.
dc.contributor.authorDai J.P.
dc.contributor.authorDbeyssi A.
dc.contributor.authorDedovich D.
dc.contributor.authorDeng Z.Y.
dc.contributor.authorDenig A.
dc.contributor.authorDenysenko I.
dc.contributor.authorDestefanis M.
dc.contributor.authorDe Mori F.
dc.contributor.authorDing Y.
dc.contributor.authorDong C.
dc.contributor.authorDong J.
dc.contributor.authorDong L.Y.
dc.contributor.authorDong M.Y.
dc.contributor.authorDou Z.L.
dc.contributor.authorDu S.X.
dc.contributor.authorDuan P.F.
dc.contributor.authorFang J.
dc.contributor.authorFang S.S.
dc.contributor.authorFang Y.
dc.contributor.authorFarinelli R.
dc.contributor.authorFava L.
dc.contributor.authorFegan S.
dc.contributor.authorFeldbauer F.
dc.contributor.authorFelici G.
dc.contributor.authorFeng C.Q.
dc.contributor.authorFioravanti E.
dc.contributor.authorFritsch M.
dc.contributor.authorFu C.D.
dc.contributor.authorGao Q.
dc.contributor.authorGao X.L.
dc.contributor.authorGao Y.
dc.contributor.authorGao Y.G.
dc.contributor.authorGao Z.
dc.contributor.authorGarillon B.
dc.contributor.authorGarzia I.
dc.contributor.authorGilman A.
dc.contributor.authorGoetzen K.
dc.contributor.authorGong L.
dc.contributor.authorGong W.X.
dc.contributor.authorGradl W.
dc.contributor.authorGreco M.
dc.contributor.authorGu M.H.
dc.contributor.authorGu Y.T.
dc.contributor.authorGuo A.Q.
dc.contributor.authorGuo R.P.
dc.contributor.authorGuo Y.P.
dc.contributor.authorGuskov A.
dc.contributor.authorHaddadi Z.
dc.contributor.authorHan S.
dc.contributor.authorHao X.Q.
dc.contributor.authorHarris F.A.
dc.contributor.authorHe K.L.
dc.contributor.authorHe X.Q.
dc.contributor.authorHeinsius F.H.
dc.contributor.authorHeld T.
dc.contributor.authorHeng Y.K.
dc.contributor.buuauthorTAPAN, İLHAN
dc.contributor.departmentFizik Bölümü
dc.contributor.orcid0009-0002-8119-1445
dc.contributor.scopusid8905787000
dc.date.accessioned2025-05-13T09:47:17Z
dc.date.issued2018-03-29
dc.description.abstractThe cross section of the e+e-→Λc+Λc- process is measured with unprecedented precision using data collected with the BESIII detector at s=4574.5, 4580.0, 4590.0 and 4599.5 MeV. The nonzero cross section near the Λc+Λc- production threshold is cleared. At center-of-mass energies s=4574.5 and 4599.5 MeV, the higher statistics data enable us to measure the Λc polar angle distributions. From these, the Λc electric over magnetic form-factor ratios (|GE/GM|) are measured for the first time. They are found to be 1.14±0.14±0.07 and 1.23±0.05±0.03, respectively, where the first uncertainties are statistical and the second are systematic.
dc.identifier.doi10.1103/PhysRevLett.120.132001
dc.identifier.issn0031-9007
dc.identifier.issue13
dc.identifier.scopus2-s2.0-85044868310
dc.identifier.urihttps://hdl.handle.net/11452/52258
dc.identifier.volume120
dc.indexed.scopusScopus
dc.language.isoen
dc.publisherAmerican Physical Society
dc.relation.journalPhysical Review Letters
dc.rightsinfo:eu-repo/semantics/openAccess
dc.titlePrecision measurement of the e+e- → Λc+ Λ c- cross section near threshold
dc.typeArticle
dspace.entity.typePublication
local.contributor.departmentFizik Bölümü
local.indexed.atScopus
relation.isAuthorOfPublication197aec07-a4ed-42b7-a3d3-d7476357d6ef
relation.isAuthorOfPublication.latestForDiscovery197aec07-a4ed-42b7-a3d3-d7476357d6ef

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