First-order neutron-deuteron scattering in a three-dimensional approach

  • K. Topolnicki
  • J. Golak
  • R. Skibiński
  • H. Witała
  • C. A. Bertulani
Open Access
Regular Article - Theoretical Physics

Abstract

The description of the neutron-deuteron scattering process has been possible using the partial wave approach since the 1980s (Few-Body Syst. 3, 123 (1988); Phys. Rep. 274, 107 (1996); Acta Phys. Pol. B 28, 1677 (1997)). In recent years the so-called “three-dimensional” formalism was developed, where the calculations are performed with operators acting directly on the three-dimensional degrees of freedom of the nucleons. This approach avoids a tedious step of the classical calculations, the partial wave decomposition of operators, and in this paper is applied to the neutron-deuteron scattering process. The calculations presented here are a first step toward a new calculation scheme that would make it possible to easily produce precise predictions for a wide range of nuclear force models. This paper is a continuation of the work presented in Eur. Phys. J. A 43, 339 (2010) where the breakup channel was considered in detail. The theoretical formulation used in this paper is very closely related to the formalism introduced in Eur. Phys. J. A 43, 339 (2010) and Phys. Rev. C 68, 054003 (2003), however, we work directly with the matrix representation of operators in the joined isospin-spin space of the three-nucleon system and use only the driving term of the three-nucleon Faddeev equations. This greatly simplifies the numerical realization of the calculation and allows us to consider also the elastic channel of the reaction.

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Copyright information

© The Author(s) 2015

Authors and Affiliations

  • K. Topolnicki
    • 1
    • 2
  • J. Golak
    • 1
  • R. Skibiński
    • 1
  • H. Witała
    • 1
  • C. A. Bertulani
    • 2
  1. 1.M. Smoluchowski Institute of PhysicsJagiellonian UniversityKrakówPoland
  2. 2.Department of Physics and AstronomyTexas A&M University CommerceCommerceUSA

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