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Study of (1S) radiative decays to γπ+π- and γk+K-

  • The B a B ar Collaboration
  • Université Savoie Mont Blanc
  • University of Barcelona
  • National Institute for Nuclear Physics
  • University of Bari
  • University of Bergen
  • Lawrence Berkeley National Laboratory
  • Ruhr University Bochum
  • Institute of Particle Physics
  • University of British Columbia
  • Budker Institute of Nuclear Physics of the Siberian Branch of the RAS
  • Novosibirsk State University
  • Novosibirsk State Technical University
  • University of California at Irvine
  • University of California at Riverside
  • University of California at Santa Cruz
  • California Institute of Technology
  • University of Cincinnati
  • University of Bologna

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

We study the (1S) radiative decays to γπ+π- and γK+K- using data recorded with the BABAR detector operating at the SLAC PEP-II asymmetric-energy e+e- collider at center-of-mass energies at the (2S) and (3S) resonances. The (1S) resonance is reconstructed from the decay (nS)→π+π-(1S), n=2, 3. Branching fraction measurements and spin-parity analyses of (1S) radiative decays are reported for the I=0 S-wave and f2(1270) resonances in the π+π- mass spectrum, the f2′(1525) and f0(1500) in the K+K- mass spectrum, and the f0(1710) in both.

Original languageEnglish
Article number112006
JournalPhysical Review D
Volume97
Issue number11
DOIs
StatePublished - Jun 21 2018

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