Measurement of the absolute branching fractions of J/psi -> gamma eta and eta decay modes

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dc.authoridOnur Buğra Kolcu / 0000-0002-9177-1286
dc.authoridSerkant Ali Çetin / 0000-0001-5050-8441
dc.authorscopusidSerkant Ali Çetin / 34567544400
dc.authorwosidOnur Buğra Kolcu / P-4990-2015
dc.authorwosidSerkant Ali Çetin / AGF-0147-2022
dc.contributor.authorAblikim, M.
dc.contributor.authorAchasov, M. N.
dc.contributor.authorAdlarson, P.
dc.contributor.authorAhmed, S.
dc.contributor.authorAlbrecht, M.
dc.contributor.authorAliberti, R.
dc.contributor.authorÇetin, Serkant Ali
dc.contributor.authorKolcu, Onur Buğra
dc.date.accessioned2021-12-21T11:02:07Z
dc.date.available2021-12-21T11:02:07Z
dc.date.issued2021en_US
dc.departmentİstinye Üniversitesien_US
dc.description.abstractBased on a data sample of (1.0087 +/- 0.0044) x 10(10) J/psi events collected by the BESIII detector at the BEPCII accelerator, the absolute branching fraction (BF) of the decay J/psi -> gamma eta is measured with high precision using events in which the radiative photon converts to e(+)e(-). Using the measured absolute BF of J/psi -> gamma eta, the absolute BFs of four dominant. decay modes are measured for the first time. The results are B(J/psi -> gamma eta) = (1.067 +/- 0.005 +/- 0.023) x 10(-3), B(eta ->gamma gamma) = (39.86 +/- 0.04 +/- 0.99)%, B(eta ->pi(0)pi(0)pi(0)) = (31.96 +/- 0.07 +/- 0.84)%, B(eta -> pi(+)pi(-)pi(0)) = (23.04 +/- 0.03 +/- 0.54)%, and B(eta -> pi(+)pi(-)gamma) = (4.38 +/- 0.02 +/- 0.10)%, where the first and second uncertainties are statistical and systematic, respectively. The results are consistent with the world average values within two standard deviations.en_US
dc.identifier.citationAblikim, M., Achasov, M. N., Adlarson, P., Ahmed, S., Albrecht, M., Aliberti, R., ... & Kolcu, O. B. (2021). Measurement of the absolute branching fractions of J/ψ→ γ η and η decay modes. Physical Review D, 104(9), 092004.en_US
dc.identifier.doi10.1103/PhysRevD.104.092004en_US
dc.identifier.issn2470-0010en_US
dc.identifier.issn2470-0029en_US
dc.identifier.issue9en_US
dc.identifier.scopus2-s2.0-85121056312en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org/10.1103/PhysRevD.104.092004
dc.identifier.urihttps://hdl.handle.net/20.500.12713/2333
dc.identifier.volume104en_US
dc.identifier.wosWOS:000722534900010en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorÇetin, Serkant Ali
dc.institutionauthorKolcu, Onur Buğra
dc.language.isoenen_US
dc.publisherAMER PHYSICAL SOCen_US
dc.relation.ispartofPHYSICAL REVIEW Den_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.titleMeasurement of the absolute branching fractions of J/psi -> gamma eta and eta decay modesen_US
dc.typeArticleen_US

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