Renormalization schemes and the range of two-nucleon effective field theory

Phys. Rev. C 59, 2365 – Published 1 May 1999
Thomas Mehen and Iain W. Stewart


The off-shell momentum subtraction (OS) and power divergence subtraction (PDS) renormalization schemes for the effective field theory with nucleons and pions are investigated. We explain in detail how the renormalization is implemented using local counterterms. Fits to the NN scattering data are performed in the 1S0 and 3S1 channels for different values of μR. An error analysis indicates that the range of the theory with perturbative pions is consistent with 500MeV.


  • Received 20 October 1998
  • Published in the issue dated May 1999

© 1999 The American Physical Society

Authors & Affiliations

Thomas Mehen and Iain W. Stewart

  • California Institute of Technology, Pasadena, California 91125

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