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Behavior of the hadron potential at large distances and properties of the hadron spin-flip amplitude

  • E. Predazzi
  • O.V. Selyugin
  • 24 Downloads

Abstract:

The impact of the form of the hadron potential at large distances on the behavior of the hadron spin-flip amplitude at small angles is examined. The t-dependence of the spin-flip amplitude of high-energy hadron elastic scattering is analyzed under different assumptions on the hadron interaction. It is shown that the long tail of the nonGaussian form of the hadron potential of the hadron interaction in the impact parameter representation leads to a large value of the slope of the spin-flip amplitude (without the kinematical factor \(\)) as compared with the slope of the spin-nonflip amplitude. This effect can explain the form of the differential cross-section and the analyzing power at small transfer momenta. The methods for the definition of the spin-dependent part of the hadron scattering amplitude are presented. A possibility to investigate the structure of the hadron spin-flip amplitude from the accurate measure of the differential cross-section and the spin correlation parameters is shown.

PACS. 11.80.Cr Kinematical properties (helicity and invariant amplitudes, kinematic singularities, etc.) – 12.40.Nn Regge theory, duality, absorptive/optical models – 13.85.Dz Elastic scattering 

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Copyright information

© Società Italiana di Fisica and Springer-Verlag 2002

Authors and Affiliations

  • E. Predazzi
    • 1
  • O.V. Selyugin
    • 2
  1. 1.Dartimento di Fisica Teorica - Unversità di Torino and Sezione INFN di Torino, ItalyIT
  2. 2.BLTPh, JINR, Dubna, RussiaRU

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