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Measurement of the matrix elements for the decays η → π+π-π 0 and η/η′ → π 0 π 0 π 0

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dc.contributor.authorAchasov, M. N.
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dc.contributor.authorZhemchugov, A.
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dc.contributor.authorZheng, W. J.
dc.contributor.authorZheng, Y. H.
dc.contributor.authorZhong, B.
dc.contributor.authorZhou, L.
dc.contributor.authorZhou, Li
dc.contributor.authorZhou, X.
dc.contributor.authorZhou, X. K.
dc.contributor.authorZhou, X. R.
dc.contributor.authorZhou, X. Y.
dc.contributor.authorZhu, K.
dc.contributor.authorZhu, K. J.
dc.contributor.authorZhu, S.
dc.contributor.authorZhu, X. L.
dc.contributor.authorZhu, Y. C.
dc.contributor.authorZhu, Y. S.
dc.contributor.authorZhu, Z. A.
dc.contributor.authorZhuang, J.
dc.contributor.authorZotti, L.
dc.contributor.authorZou, B. S.
dc.contributor.authorZou, J. H.
dc.contributor.buuauthorTapan, İlhan
dc.contributor.buuauthorTAPAN, İLHAN
dc.contributor.departmentBursa Uludağ Üniversitesi/Fen Edebiyat Fakültesi/Fizik Bölümü.
dc.contributor.orcid0009-0002-8119-1445
dc.date.accessioned2024-08-18T13:23:50Z
dc.date.available2024-08-18T13:23:50Z
dc.date.issued2015-07-31
dc.description.abstractBased on a sample of 1.31 x 10(9) J/psi events collected with the BESIII detector at the BEPCII collider, Dalitz plot analyses of selected 79,625 eta -> pi(+)pi(-)pi(0) events, 33,908 eta -> pi(0)pi(0)pi(0) events, and 1,888 eta' -> pi(0)pi(0)pi(0) events are performed. The measured matrix elements of eta -> pi(+)pi(-)pi(0) are in reasonable agreement with previous measurements. The Dalitz plot slope parameters of eta -> pi(0)pi(0)pi(0) and eta' -> pi(0)pi(0)pi(0) are determined to be -0.055 +/- 0.014 +/- 0.004 and -0.640 +/- 0.046 +/- 0.047, respectively, where the first uncertainties are statistical and the second systematic. Both values are consistent with previous measurements, while the precision of the latter one is improved by a factor of 3. Final state interactions are found to have an important role in those decays.
dc.description.sponsorshipNational Basic Research Program of China 2015CB856700
dc.description.sponsorshipNational Natural Science Foundation of China (NSFC) 11175189 11125525 11235011 11322544 11335008 11425524
dc.description.sponsorshipYouth Science Foundation of China Y5118T005C
dc.description.sponsorshipChinese Academy of Sciences
dc.description.sponsorshipCAS Center for Excellence in Particle Physics
dc.description.sponsorshipCollaborative Innovation Center for Particles and Interactions
dc.description.sponsorshipChinese Academy of Sciences 11179007 U1232201 U1332201 U1232101 KJCX2-YW-N29 KJCX2-YW-N45
dc.description.sponsorshipINPAC
dc.description.sponsorshipGerman Research Foundation (DFG) Collaborative Research Center CRC-1044
dc.description.sponsorshipIstituto Nazionale di Fisica Nucleare (INFN)
dc.description.sponsorshipTurkiye Cumhuriyeti Kalkinma Bakanligi DPT2006K-120470
dc.description.sponsorshipRussian Foundation for Basic Research (RFBR) Spanish Government 14-07-91152
dc.description.sponsorshipUnited States Department of Energy (DOE) DE-FG02-04ER41291 DE-FG02-05ER41374 DE-FG02-94ER40823 DESC0010118
dc.description.sponsorshipNational Science Foundation (NSF)
dc.description.sponsorshipUniversity of Groningen
dc.description.sponsorshipHelmholtzzentrum fuer Schwerionenforschung GmbH, Darmstadt
dc.description.sponsorshipNational Research Foundation of Korea R32-2008-000-10155-0
dc.description.sponsorshipShanghai Key Laboratory for Particle Physics and Cosmology
dc.identifier.doi10.1103/PhysRevD.92.012014
dc.identifier.issn2470-0010
dc.identifier.issue1
dc.identifier.urihttps://doi.org/10.1103/PhysRevD.92.012014
dc.identifier.urihttps://hdl.handle.net/11452/44156
dc.identifier.volume92
dc.identifier.wos000358851800001
dc.indexed.wosWOS.SCI
dc.language.isoen
dc.publisherAmer Physical Soc
dc.relation.journalPhysical Review D
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectElectromagnetic corrections
dc.subjectParameter alpha
dc.subjectNeutral decays
dc.subjectPi 0
dc.subject3-pi(0)
dc.subjectDynamics
dc.subjectScience & technology
dc.subjectPhysical sciences
dc.subjectAstronomy & astrophysics
dc.subjectPhysics, particles & fields
dc.subjectPhysics
dc.titleMeasurement of the matrix elements for the decays η → π+π-π 0 and η/η′ → π 0 π 0 π 0
dc.typeArticle
dspace.entity.typePublication
relation.isAuthorOfPublication197aec07-a4ed-42b7-a3d3-d7476357d6ef
relation.isAuthorOfPublication.latestForDiscovery197aec07-a4ed-42b7-a3d3-d7476357d6ef

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