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dc.contributor.authorKolcu, Onur Buğra
dc.contributor.otherBESIII Collaboration
dc.date.accessioned2019-06-28T10:13:10Z
dc.date.available2019-06-28T10:13:10Z
dc.date.issued2017en_US
dc.identifier.citationAblikim, M., Achasov, M. N., Ahmed, S., Ai, X. C., Albayrak, O., Albrecht, M., . . . Collaboration, B. (2017). Evidence of Two Resonant Structures in e(+)e(-)->pi(+) pi(-) h(c). Physical Review Letters, 118(9), 8. doi:10.1103/PhysRevLett.118.092002en_US
dc.identifier.issn0031-9007
dc.identifier.issn1079-7114
dc.identifier.urihttps://hdl.handle.net/20.500.12294/1511
dc.descriptionKolcu, Onur Buğra (Arel Author)en_US
dc.description.abstractThe cross sections of e(+)e(-) -> pi(+) pi(-) hc at center-of-mass energies from 3.896 to 4.600 GeVare measured using data samples collected with the BESIII detector operating at the Beijing Electron Positron Collider. The cross sections are found to be of the same order of magnitude as those of e(+)e(-) -> pi(+) pi(-) J/psi and e(+)e(-) -> pi(+) pi(-) psi (2S), but the line shape is inconsistent with the Y states observed in the latter two modes. Two structures are observed in the e(+)e(-) -> pi(+) pi(-) hc cross sections around 4.22 and 4.39 GeV/c(2), which we call Y(4220)and Y(4390), respectively. A fit with a coherent sum of two Breit-Wigner functions results in a mass of (4218.4(- 4.5)(vertical bar 5.5) +/- 0.9) MeV/ c(2) and a width of (66.0(- 8.3)(vertical bar 12.3) +/- 0.4) MeV for the Y(4220), and a mass of (4391.5(- 6.8)(+6.3) +/- 1.0) MeV/c(2) and a width of (139.5(- 20.6)(+16.2) +/- 0.6) MeV for the Y(4390), where the first uncertainties are statistical and the second ones systematic. The statistical significance of Y(4220) and Y(4390) is 10 sigma over one structure assumption.en_US
dc.language.isoengen_US
dc.publisherAmer Physic Soc.en_US
dc.relation.isversionof10.1103/PhysRevLett.118.092002en_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectEnergyen_US
dc.titleEvidence of Two Resonant Structures in e(+)e(-)->pi(+) pi(-) h(c)en_US
dc.typearticleen_US
dc.relation.journalPhysical Review Lettersen_US
dc.contributor.departmentMeslek Yüksekokulu, Optisyenlik Programıen_US
dc.contributor.authorIDhttps://orcid.org/0000-0002-9177-1286en_US
dc.identifier.volume118en_US
dc.identifier.issue9en_US
dc.identifier.startpage1en_US
dc.identifier.endpage8en_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US


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