Please use this identifier to cite or link to this item: http://hdl.handle.net/2445/140075
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dc.contributor.authorGraugés Pous, Eugeni-
dc.contributor.authorBABAR Collaboration-
dc.date.accessioned2019-09-16T13:59:03Z-
dc.date.available2019-09-16T13:59:03Z-
dc.date.issued2007-05-24-
dc.identifier.issn0031-9007-
dc.identifier.urihttp://hdl.handle.net/2445/140075-
dc.description.abstractWe present a measurement of the cross section of the process e + e − → π + π − ψ ( 2 S ) from threshold up to 8 GeV center-of-mass energy using events containing initial-state radiation, produced at the SLAC PEP-II e + e − storage rings. The study is based on 298     fb − 1 of data recorded with the BABAR detector. A structure is observed in the cross section not far above threshold, near 4.32 GeV. We also investigate the compatibility of this structure with the Y ( 4260 ) previously reported by this experiment.-
dc.format.extent7 p.-
dc.format.mimetypeapplication/pdf-
dc.language.isoeng-
dc.publisherAmerican Physical Society-
dc.relation.isformatofReproducció del document publicat a: https://doi.org/10.1103/PhysRevLett.98.212001-
dc.relation.ispartofPhysical Review Letters, 2007, vol. 98, num. 21, p. 212001-
dc.relation.urihttps://doi.org/10.1103/PhysRevLett.98.212001-
dc.rights(c) American Physical Society, 2007-
dc.subject.classificationFísica de partícules-
dc.subject.classificationExperiments-
dc.subject.otherParticle physics-
dc.subject.otherExperiments-
dc.titleEvidence of a Broad Structure at an Invariant Mass of 4.32 GeV/c2 in the Reaction e+e−→π+π−ψ(2S) Measured at BABAR-
dc.typeinfo:eu-repo/semantics/article-
dc.typeinfo:eu-repo/semantics/publishedVersion-
dc.identifier.idgrec558210-
dc.date.updated2019-09-16T13:59:04Z-
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess-
Appears in Collections:Articles publicats en revistes (Física Quàntica i Astrofísica)

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