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Analytic properties of impact parameter amplitudes and geometricals-channel models

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Il Nuovo Cimento A (1965-1970)

Summary

In the framework of a recently proposed impact parameter representation a formalism is developed for two-body helicity amplitudes. Its relation withs-channel phenomenological models is examined by generalizing the results obtained with a simple dynamical input. Spin properties of the impact parameter amplitudes are also discussed.

Riassunto

Si estende al caso di particelle con spin una rappresentazione dell’ampiezza di scattering nel parametro di impatto. Generalizzando i risultati ottenuti con una semplice ipotesi dinamica, si derivano ulteriori proprietà delle ampiezze di elicità e si stabilisce una relazione con modelli basati sullo studio fenomenologico del canale diretto. Si esamina anche la dipendenza dallo spin delle ampiezze espresse in termini del parametro di impatto.

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Authors and Affiliations

  1. Istituto di Fisica dell’Università, Padova

    F. Paccanoni

  2. Istituto Nazionale di Fisica Nucleare, Sezione di Padova, Italy

    F. Paccanoni

Authors
  1. F. Paccanoni
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Paccanoni, F. Analytic properties of impact parameter amplitudes and geometricals-channel models. Nuov Cim A 35, 138–154 (1976). https://doi.org/10.1007/BF02730066

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  • DOI: https://doi.org/10.1007/BF02730066

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