Two-pion exchange electromagnetic current in chiral effective field theory using the method of unitary transformation

S. Kölling, E. Epelbaum, H. Krebs, and U. -G. Meißner
Phys. Rev. C 80, 045502 – Published 29 October 2009

Abstract

We derive the leading two-pion-exchange contributions to the two-nucleon electromagnetic current operator in the framework of chiral effective field theory using the method of unitary transformation. Explicit results for the current and charge densities are given in momentum and coordinate space.

  • Figure
  • Received 4 August 2009

DOI:https://doi.org/10.1103/PhysRevC.80.045502

©2009 American Physical Society

Authors & Affiliations

S. Kölling1,2,*, E. Epelbaum1,2,†, H. Krebs2,‡, and U. -G. Meißner2,1,3,§

  • 1Forschungszentrum Jülich, Institut für Kernphysik (IKP-3) and Jülich Center for Hadron Physics, D-52425 Jülich, Germany
  • 2Helmholtz-Institut für Strahlen- und Kernphysik (Theorie) and Bethe Center for Theoretical Physics, Universität Bonn, D-53115 Bonn, Germany
  • 3Forschungszentrum Jülich, Institut for Advanced Simulation, D-52425 Jülich, Germany

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Issue

Vol. 80, Iss. 4 — October 2009

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