Study of Υ(1s) Radiative Decays to γπ⁺π⁻ and γK⁺K⁻

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dc.contributor.ORCID0000-0003-0867-2189 (Lou, X)
dc.contributor.VIAF250674117 (Izen, JM)
dc.contributor.authorLees, J. P.
dc.contributor.authorPoireau, V.
dc.contributor.authorTisserand, V.
dc.contributor.authorGrauges, E.
dc.contributor.authorGiannuzzi, F.
dc.contributor.authorPalano, A.
dc.contributor.authorEigen, G.
dc.contributor.authorIzen, Joseph M.
dc.contributor.authorLou, Xinchou
dc.contributor.authorBaBar Collaboration
dc.contributor.utdAuthorIzen, Joseph M.
dc.contributor.utdAuthorLou, Xinchou
dc.date.accessioned2019-05-15T20:11:22Z
dc.date.available2019-05-15T20:11:22Z
dc.date.created2018-06-21
dc.description.abstractWe study the Υ(1S) radiative decays to γπ⁺π⁻ and γK⁺K⁻ using data recorded with the BABAR detector operating at the SLAC PEP-11 asymmetric-energy e⁺e⁻ collider at center-of-mass energies at the Υ(2S) and Υ(3S) resonances. The Υ(1S) resonance is reconstructed from the decay Υ(nS) → π⁺π⁻ Υ(1S), n =2, 3. Branching fraction measurements and spin-parity analyses of Υ(1S) radiative decays are reported for the I = 0 S-wave and ∫₂ (1270) resonances in the π⁺π⁻ mass spectrum, the ∫′₂ (1525) and ∫₀ (1500) in the K⁺K⁻ mass spectrum, and the ∫₃(1710) in both.
dc.description.departmentSchool of Natural Sciences and Mathematics
dc.identifier.bibliographicCitationLees, J. P., V. Poireau, V. Tisserand, E. Grauges, et al. 2018. "Study of Υ(1S) radiative decays to γπ⁺π⁻ and γK⁺K⁻." Physical Review D 97(11): 112006-1 to 17, doi:10.1103/PhysRevD.97.112006
dc.identifier.issn2470-0010
dc.identifier.issue11
dc.identifier.urihttps://hdl.handle.net/10735.1/6469
dc.identifier.volume97
dc.language.isoen
dc.publisherAmer Physical Soc
dc.relation.urihttp://dx.doi.org/10.1103/PhysRevD.97.112006
dc.rightsCC BY 4.0 (Attribution)
dc.rights©2018 The Authors
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.source.journalPhysical Review D
dc.subjectParticles (Nuclear physics)--Decay
dc.subjectPions
dc.subjectWave guides
dc.subjectSemiconductor lasers
dc.subjectQuantum chromodynamics
dc.subjectQuarks
dc.titleStudy of Υ(1s) Radiative Decays to γπ⁺π⁻ and γK⁺K⁻
dc.type.genrearticle

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