Measurement of psi(3686) -> lambda(lambda)over-bar eta and psi(3686) -> lambda(lambda)over-bar pi(0) decays

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dc.authoridOnur Buğra Kolcu / 0000-0002-9177-1286en_US
dc.authoridSerkant Ali Çetin / 0000-0001-5050-8441en_US
dc.authorscopusidSerkant Ali Çetin / 34567544400en_US
dc.authorscopusidOnur Buğra Kolcu / 55900757000en_US
dc.authorwosidOnur Buğra Kolcu / P-4990-2015en_US
dc.authorwosidSerkant Ali Çetin / AGF-0147-2022en_US
dc.contributor.authorAblikim, M.
dc.contributor.authorAchasov, M. N.
dc.contributor.authorAdlarson, P.
dc.contributor.authorAlbrecht, M.
dc.contributor.authorAliberti, R.
dc.contributor.authorÇetin, Serkant Ali
dc.contributor.authorKolcu, Onur Buğra
dc.date.accessioned2023-01-26T11:25:17Z
dc.date.available2023-01-26T11:25:17Z
dc.date.issued2022en_US
dc.departmentİstinye Üniversitesi, Rektörlük, AR-GEen_US
dc.description.abstractBased on a sample of 448.1 x 10(6) psi(3686) events collected with the BESIII detector, a study of psi(3686) -> Lambda(Lambda) over bar pi(0) and psi(3686) -> Lambda(Lambda) over bar eta is performed. Evidence of the isospin-violating decay psi(3686) -> Lambda(Lambda) over bar pi(0) is found for the first time with a statistical significance of 3.7 sigma, the branching fraction B(psi(3686) -> Lambda(Lambda) over bar pi(0)) is measured to be (1.42 +/- 0.39 +/- 0.59) x 10(-6), and its corresponding upper limit is determined to be 2.47 x 10(-6) at 90% confidence level. A partial wave analysis of psi(3686) -> Lambda(Lambda) over bar eta shows that the peak around Lambda eta invariant mass threshold favors a Lambda* resonance with mass and width in agreement with the Lambda(1670). The branching fraction of the psi(3686) -> Lambda(Lambda) over bar eta is measured to be (2.34 +/- 0.18 +/- 0.52) x 10(-5). The first uncertainties are statistical and the second are systematic.en_US
dc.identifier.citationAblikim, M., Achasov, M. N., Adlarson, P., Albrecht, M., Aliberti, R., Amoroso, A., ... & Jiang, X. S. (2022). Measurement of ψ (3686)→ Λ Λ¯ η and ψ (3686)→ Λ Λ¯ π 0 decays. Physical Review D, 106(7), 072006.en_US
dc.identifier.doi10.1103/PhysRevD.106.072006en_US
dc.identifier.issn2470-0010en_US
dc.identifier.issn2470-0029en_US
dc.identifier.issue7en_US
dc.identifier.urihttp://dx.doi.org/10.1103/PhysRevD.106.072006
dc.identifier.urihttps://hdl.handle.net/20.500.12713/3836
dc.identifier.volume106en_US
dc.identifier.wosWOS:000898697100003en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_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 psi(3686) -> lambda(lambda)over-bar eta and psi(3686) -> lambda(lambda)over-bar pi(0) decaysen_US
dc.typeArticleen_US

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