A New Expansion for Nucleon-Nucleon Interactions

Details A New Expansion for Nucleon-Nucleon Interactions A New Expansion for Nucleon-Nucleon Interactions

1998-01-19

arxiv.org/abs/nucl-th/9801034v2

Phys.Lett. B424 (1998) 390-396

Physics

Nuclear Physics

Nuclear Theory

10 pages, 3 figures, latex. Corrected typo, small change to text

Scientific paper

10.1016/S0370-2693(98)00210-X

We introduce a new and well defined power counting for the effective field theory describing nucleon-nucleon interactions. Because of the large NN scattering lengths it differs from other applications of chiral perturbation theory and is facilitated by introducing an unusual subtraction scheme and renormalization group analysis. Calculation to subleading order in the expansion can be done analytically, and we present the results for both the 1S0 and 3S1-3D1 channels.

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