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dc.contributor.authorKolcu, Onur Buğraen_US
dc.date.accessioned2019-03-20T08:24:03Z
dc.date.available2019-03-20T08:24:03Z
dc.date.issued2018
dc.identifier.citationKolcu O. B, Ablikim M, Bai Y, Bakina O... Measurement of the matrix elements for the decays eta' -> eta pi(+) pi(-) and eta' -> eta pi(0)pi(0). Physical Review D. 2018; 97 (1): 1-11.en_US
dc.identifier.issn2470-0010
dc.identifier.issn2470-0029
dc.identifier.urihttps://hdl.handle.net/20.500.12294/1347
dc.identifier.urihttps://dx.doi.org/10.1103/PhysRevD.97.012003
dc.description.abstractBased on a sample of 1.31 x 10(9) J/psi events collected with the BESIII detector, the matrix elements for the decays eta' -> eta pi(+) pi(-) and eta' -> eta pi(0)pi(0) are determined using 351,016 eta' -> (eta -> gamma gamma)pi' pi(-) and 56,249 eta' -> (eta -> gamma gamma)pi(0) pi(0) events with background levels less than 1%. Two commonly used representations are used to describe the Dalitz plot density. We find that an assumption of a linear amplitude does not describe the data well. A small deviation of the obtained matrix elements between eta' -> eta pi(+) pi(-) and eta' -> eta pi(0)pi(0) is probably caused by the mass difference between charged and neutral pions or radiative corrections. No cusp structure in eta' -> eta pi(0)pi(0) is observed.en_US
dc.language.isoengen_US
dc.publisherAmer Physical Soc.en_US
dc.relation.ispartofPhysical Review D.en_US
dc.identifier.doi10.1103/PhysRevD.97.012003en_US
dc.identifier.doi10.1103/PhysRevD.97.012003
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.titleMeasurement of the matrix elements for the decays eta' -> eta pi(+) pi(-) and eta' -> eta pi(0)pi(0)en_US
dc.typearticleen_US
dc.departmentİstanbul Arel Üniversitesi, Meslek Yüksekokulu, Optisyenlik Programıen_US
dc.authoridTR15137en_US
dc.identifier.volume97en_US
dc.identifier.issue1en_US
dc.identifier.startpage1en_US
dc.identifier.endpage11en_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.institutionauthorKolcu, Onur Buğraen_US


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