Precise measurement of the e+e−→π+π−(γ) cross section with the initial state radiation method at BABAR

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dc.contributor.authorGraugés Pous, Eugeni
dc.contributor.authorBABAR Collaboration
dc.date.accessioned2018-10-03T12:22:17Z
dc.date.available2018-10-03T12:22:17Z
dc.date.issued2009-12-03
dc.date.updated2018-10-03T12:22:18Z
dc.description.abstractA precise measurement of the cross section of the process eþe ! þ ðÞ from threshold to an energy of 3 GeV is obtained with the initial state radiation (ISR) method using 232 fb 1 of data collected with the BABAR detector at eþe center-of-mass energies near 10.6 GeV. The ISR luminosity is determined from a study of the leptonic process eþe ! þ ðÞ. The leading-order hadronic contribution to the muon magnetic anomaly calculated using the cross section measured from threshold to 1.8 GeV is ð514:1 2:2ðstatÞ 3:1ðsystÞÞ 10 10.
dc.format.extent7 p.
dc.format.mimetypeapplication/pdf
dc.identifier.idgrec577725
dc.identifier.issn0031-9007
dc.identifier.urihttps://hdl.handle.net/2445/125031
dc.language.isoeng
dc.publisherAmerican Physical Society
dc.relation.isformatofReproducció del document publicat a: https://doi.org/10.1103/PhysRevLett.103.231801
dc.relation.ispartofPhysical Review Letters, 2009, vol. 103, p. 231801
dc.relation.urihttps://doi.org/10.1103/PhysRevLett.103.231801
dc.rights(c) American Physical Society, 2009
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess
dc.sourceArticles publicats en revistes (Física Quàntica i Astrofísica)
dc.subject.classificationPartícules (Física nuclear)
dc.subject.classificationMesons (Física nuclear)
dc.subject.otherParticles (Nuclear physics)
dc.subject.otherMesons (Nuclear physics)
dc.titlePrecise measurement of the e+e−→π+π−(γ) cross section with the initial state radiation method at BABAR
dc.typeinfo:eu-repo/semantics/article
dc.typeinfo:eu-repo/semantics/publishedVersion

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