Il Nuovo Cimento A (1965-1970)

, Volume 33, Issue 1, pp 23–46 | Cite as

A double nucleon exchange model for the « ABC » production in the pn → d (ππ)0 reaction

  • J. C. Anjos
  • D. Levy
  • A. Santoro
Article
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Summary

A double nucleon exchange model is proposed for the ABC production in the pn → d(ππ)0 reaction. Important low-mass enhancements are obtained in the invariant ππ mass spectrum similarly to what happens in a Deck model. The same type of mechanism also provides an explanation for the experimentally observed peak at the highest invariant ππ masses.

Модель с двойным нуклонным обменом для « АВС » рождения в реакции pn → d(ππ)0

Реэюме

Предлагается модель с двойным нуклонным обменом для « АВС » рождения в реакции pn → d(ππ)0. В спектре инвариантной ππ массы обнаружены важные пики при малых массах, аналогично тому, что происходит в модели Декка. Укаэанный механиэм также общясняет зкспериментально обнаруженный пик при больщих инвариантных ππ массах.

Riassunto

Si propone un modello di scambio di due nucleoni per la produzione di ABC nella reazione pn → d(ππ)0. Si ottengono importanti aumenti di piccola massa nello spettro di massa ππ invariante analogamente a quello che avviene in un modello di Deck. Lo stesso tipo di meccanismo fornisce anche una spiegazione per il picco osservato sperimentalmente alle maggiori masse invarianti di ππ.

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Copyright information

© Società Italiana di Fisica 1976

Authors and Affiliations

  • J. C. Anjos
    • 1
  • D. Levy
    • 1
  • A. Santoro
    • 1
  1. 1.Service de Physique ThéoriqueCentre d’Etudes Nucléaires de SaclayGif-sur-YvetteFrance

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