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dc.contributor.authorÇakır, Orhan
dc.date.accessioned2019-07-02T06:57:30Z
dc.date.available2019-07-02T06:57:30Z
dc.date.issued2019
dc.identifier.other10.1103/PhysRevD.99.032001
dc.identifier.urihttp://hdl.handle.net/20.500.12575/67143
dc.description.abstractThe cross section of the process e(+) e(-) -> K+ K- is measured at a number of center-of-mass energies root s from 2.00 to 3.08 GeV with the BESIII detector at the Beijing Electron Positron Collider (BEPCII). The results provide the best precision achieved so far. A resonant structure around 2.2 GeV is observed in the cross section line shape. A Breit-Wigner fit yields a mass of M = 2239.2 +/- 7.1 +/- 11.3 MeV/c(2) and a width of Gamma = 139.8 +/- 12.3 +/- 20.6 MeV, where the first uncertainties are statistical and the second ones are systematic. In addition, the timelike electromagnetic form factor of the kaon is determined at the individual center-of-mass energy points.tr_TR
dc.language.isoentr_TR
dc.subjectPAIR PRODUCTIONtr_TR
dc.subjectFORM-FACTORStr_TR
dc.titleMeasurement of e(+) e(-) -> K+ K- cross section at root s=2.00-3.08 GeVtr_TR
dc.typeArticletr_TR
dc.relation.journalPHYSICAL REVIEW Dtr_TR
dc.contributor.departmentFEN FAKÜLTESİtr_TR
dc.identifier.volume99tr_TR
dc.identifier.issue3tr_TR
dc.identifier.startpage01tr_TR
dc.identifier.endpage11tr_TR
dc.relation.indexWOStr_TR
dc.description.indexWos


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