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φ and ω meson production in np annihilation and the OZI rule

  • V. G. Ableev
  • , M. Agnello
  • , F. Balestra
  • , G. Bendiscioli
  • , A. Bertin
  • , G. C. Bonazzola
  • , E. Botta
  • , T. Bressani
  • , M. Bruschi
  • , M. P. Bussa
  • , L. Busso
  • , D. Calvo
  • , M. Capponi
  • , B. Cereda
  • , P. Cerello
  • , C. Cicalò
  • , M. Corradini
  • , S. Costa
  • , S. De Castro
  • , F. D'Isep
  • A. Donzella, L. Fava, A. Feliciello, L. Ferrero, A. Filippi, V. Filippini, A. Fontana, T. D. Galli, R. Garfagnini, U. Gastaldi, B. Giacobbe, P. Gianotti, A. Grasso, C. Guaraldo, F. Iazzi, A. Lanaro, E. Lodi Rizzini, V. Lucherini, A. Maggiora, S. Marcello, U. Marconi, G. V. Margagliotti, A. Masoni, B. Minetti, P. Montagna, M. Morando, F. Nichitiu, M. Nupieri, D. Panzieri, G. Pauli, M. Piccinini, G. Puddu, E. Rossetto, A. Rotondi, A. M. Rozhdestvensky, A. Saino, P. Salvini, L. Santi, M. G. Sapozhnikov, N. Semprini Cesari, S. Serci, R. Spighi, P. Temnikov, S. Tessaro, F. Tosello, V. I. Tretyak, G. Usai, S. Vecchi, L. Venturelli, M. Villa, A. Vitale, A. Zenoni, A. Zoccoli, G. Zosi

Research output: Contribution to journalArticlepeer-review

Abstract

The φπ+ ωπ+ ratio from np annihilations on a liquid hydrogen target, for n momenta between 64 and 297 MeV/c, was measured using the OBELIX spectrometer at LEAR. The ratio R( φπ ωπ)= σ(np→φπ+) σ(np→ωπ +) turned out 0.110±0.015stat±0.006syst. Implications of this result on the OZI rule are discussed.

Original languageEnglish
Pages (from-to)237-243
Number of pages7
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume334
Issue number1-2
DOIs
Publication statusPublished - 11 Aug 1994
Externally publishedYes

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