Il Nuovo Cimento (1955-1965)

, Volume 33, Issue 3, pp 906–938 | Cite as

On the production of vector mesons and isobars in the peripheral model

  • J. D. Jackson
  • H. Pilkuhn


Two-body reactions involving the production of vector mesons and/or baryonic resonances in pseudoscalar meson-nucleon collisions are considered within the framework of the peripheral model. General results are obtained for the production momentum transfer distributions and resonance decay correlations on the assumption of pseudoscalar and vector-meson exchange. Drastic form factors are needed to bring the cross-sections of the one-meson-exchange model into agreement with experiment, independent of the type of exchange. A detailed. comparison between the theory and experiment is made for the K+p reactions (KN → K*N, KN → KN* and KN → K*N*) at 1.96 and 3.0 Ge V/c.


Si studiano nello schema del inodello periferico le reazioni a due corpi ohe coinvolgono la produzione di mesoni vettoriali e/o risonanze barioniche nelle collisioni mesone pseudoscalare-nucleone. Si ottengono risultati generali per le distribuzioni del momento trasferito dalla produzione e le correlazioni del decadimento per risonanza nell’ipotesi dello scambio di mesoni pseudoscalari e vettoriali. Sono necessari drastici fattori di forma per portare le sezioni d’urto del modello di scambio di un mesone ad accordarsi conl’esperimento, indipendentemente dal tipo di scambio. Si fa un confronto dettagliato fra la teoria e l’esperimento per le reazioni di tipo K+p (KN→ K*N, KN*KN* e KN→ K*N*) ad 1.96 e 3.0 GeV/c.


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Copyright information

© Società Italiana di Fisica 1964

Authors and Affiliations

  • J. D. Jackson
    • 1
  • H. Pilkuhn
    • 1
  1. 1.GERNGeneva

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