Il Nuovo Cimento (1955-1965)

, Volume 19, Issue 1, pp 103–117 | Cite as

Nucleus-nucleus reaction cross section at high energy collisions

  • G. Alexander
  • G. Yekutieli


The nucleon-nucleus and nucleus-nucleus reaction cross sections at high energies for various elements are calculated according to the optical model as a function ofσ0, the effective nucleon-nucleon total cross section in nuclear matter. Use is made of the charge distributions of various nuclei recently obtained from electron scattering experiments. The results are compared with existing data of experiments using machine beams and cosmic ray particles. But for the very light nuclei, a general agreement is found for values ofσ0 differing only by a few percent from the free nucleon-nucleon total cross section.


Si calcolano secondo il modello ottico le sezioni d’urto nucleone-nucleo e nucleo-nucleo alle alte energie per vari elementi in funzione diσ0, sezione d’urto effettiva nucleone-nucleone in materia nucleare. Si impiegano le distribuzioni di vari nuclei recentemente ottenute da esperienze di scattering elettronico. Si confrontano i risultati coi dati disponibili di esperienze esperienze eseguite sia coi fasci delle macchine acceleratrici sia coi raggi cosmici. Salvo che per i nuclei molto leggeri, si trova un accordo generale pei valori diσ0 che differiscono solo di qualche percento dalla sezione d’urto totale per la collisione libera nucleone-nucleone.


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Copyright information

© Società Italiana di Fisica 1961

Authors and Affiliations

  • G. Alexander
    • 1
    • 2
  • G. Yekutieli
    • 1
  1. 1.Department of PhysicsThe Weizmann Institute of ScienceRehovoth
  2. 2.the I.A.E.C. LaboratoriesRehovoth

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