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Relativistic Treatment of Low-Energy Nucleon-Nucleon Scattering

R. A. Bryan

A. Gersten*

  • Department of Physics and Cyclotron Institute, Texas A&M University, College Station, Texas 77843

  • Department of Physics, Texas A&M University, College Station, Texas 77843
  • Institute of Theoretical Physics, University of Nijmegen, Nijmegen, The Netherlands

  • *Present address: Department of Physics, University of the Negev, Beer-Sheva, Israel.
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Phys. Rev. D 6, 341 – Published 1 July, 1972Erratum Phys. Rev. D 7, 2802 (1973)

DOI: https://doi.org/10.1103/PhysRevD.6.341

Abstract

An improved version of the one-boson-exchange model is presented. In addition to π, ρ, ω, and X0, the scalar mesons ε and δ are used with their physical masses. The broad width of the ρ and ε mesons is taken into account. The relativistic Blankenbecler-Sugar equation is utilized over the laboratory scattering energy range 0 to 425 MeV. A better fit to the experimental N−N data is obtained than in previous one-boson-exchange models. Reasonable values of the coupling constants are obtained, which agree qualitatively with other experiments. The fitting procedure was done including and excluding S waves in order to test the influence of the core region. An approximate version of the above model is developed using the Schrödinger equation in place of the Blankenbecler-Sugar equation. A good fit to the experimental scattering data and the deuteron parameters is obtained with coupling constants similar to those of the relativistic model.

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Erratum

Relativistic Treatment of Low-Energy Nucleon-Nucleon Scattering

R. A. Bryan and A. Gersten
Phys. Rev. D 7, 2802 (1973)

References (19)

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Phys. Rev. D 6, 341– Published 1 July, 1972
  • Received 7 February 1972

© 1972 American Physical Society

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