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Il Nuovo Cimento A (1971-1996)

, Volume 63, Issue 4, pp 1001–1025 | Cite as

Theoretical investigation of pion absorption on 4He

  • C. Lazard
  • J. L. Ballot
  • J. Favier
Article

Summary

We analyse the π+ absorption on 4He nucleus in considering the Born terms corresponding to the absorption of the π+ on a pair of nucleons. Total cross-section as well as missing-mass spectrum, recoil momenta and Treiman-Yang angle spectra are estimated and are in a good agreement with experiments.

Теоретическое иэучение поглошения пионов на 4He

Riassunto

Si analizza l’assorbimento di π+ da parte del nucleo di 4He considerando i termini di Born corrispondenti all’assorbimento del π+ da parte di una coppia di nucleoni. Si calcolano tanto la sezione d’urto quanto lo spettro del difetto di massa, gli impulsi di rinculo e gli spettri dell’angolo di Treiman-Yang. I risultati sono in buon accordo con gli esperimenti.

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Copyright information

© Società Italiana di Fisica 1969

Authors and Affiliations

  • C. Lazard
    • 1
  • J. L. Ballot
    • 1
  • J. Favier
    • 2
  1. 1.Division de Physique ThéoriqueInstitut de Physique NucléaireOrsay
  2. 2.Division N.P.CERNGenève

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