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Isotopic effect in φ photoproduction at a few GeV

Phys. Rev. C 59, R2993(R) – Published 1 June 1999
A. I. Titov, T.-S. H. Lee, and H. Toki


A distinct isotopic π-η interference effect in φ photoproduction at s25GeV region is identified by examining the Pomeron- and meson-exchange amplitudes. This isotopic interference effect is a consequence of the SU(3) symmetry and the isotopic structure of the γNN coupling in the direct φ-radiation amplitude. It can be tested experimentally by measuring differences in the polarization observables between the γpφp and γnφn reactions.

DOI: http://dx.doi.org/10.1103/PhysRevC.59.R2993

  • Received 9 February 1999
  • Published in the issue dated June 1999

© 1999 The American Physical Society

Authors & Affiliations

A. I. Titov1,2,*, T.-S. H. Lee3,†, and H. Toki1,‡

  • 1Research Center for Nuclear Physics, Osaka University, Osaka 567-0047, Japan
  • 2Bogoliubov Laboratory of Theoretical Physics, JINR, Dubna 141980, Russia
  • 3Physics Division, Argonne National Laboratory, Argonne, Illinois 60439

  • *Electronic address: atitov@thsun1.jinr.ru
  • Electronic address: lee@anph09.phy.anl.gov
  • Electronic address: toki@rcnp.osaka-u.ac.jp

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