1S0 nucleon-nucleon scattering in the modified Weinberg approach

  • E. Epelbaum
  • A. M. Gasparyan
  • J. Gegelia
  • H. Krebs
Regular Article - Theoretical Physics

Abstract

Nucleon-nucleon scattering in the 1 S 0 partial wave is considered in chiral effective field theory within the renormalizable formulation of a previous work (Phys. Lett. B 716, 338 (2012)) beyond the leading-order approximation. By applying subtractive renormalization, the subleading contact interaction in this channel is taken into account non-perturbatively. For a proper choice of renormalization conditions, the predicted energy dependence of the phase shift and the coefficients in the effective range expansion are found to be in a good agreement with the results of the Nijmegen partial wave analysis.

Keywords

Partial Wave Contact Interaction Counter Term Hard Scale Renormalization Condition 

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Copyright information

© SIF, Springer-Verlag Berlin Heidelberg 2015

Authors and Affiliations

  • E. Epelbaum
    • 1
  • A. M. Gasparyan
    • 1
    • 2
  • J. Gegelia
    • 1
    • 3
  • H. Krebs
    • 1
  1. 1.Institut für Theoretische Physik II, Fakultät für Physik und AstronomieRuhr-Universität BochumBochumGermany
  2. 2.SSC RF ITEPMoscowRussia
  3. 3.Tbilisi State UniversityTbilisiGeorgia

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