Renormalization of One-Pion Exchange and Power Counting

Details Renormalization of One-Pion Exchange and Power Counting Renormalization of One-Pion Exchange and Power Counting

2005-06-02

arxiv.org/abs/nucl-th/0506005v1

Phys.Rev.C72:054006,2005

Physics

Nuclear Physics

Nuclear Theory

19 pages, 18 figures

Scientific paper

10.1103/PhysRevC.72.054006

The renormalization of the chiral nuclear interactions is studied. In leading order, the cutoff dependence is related to the singular tensor interaction of the one-pion exchange potential. In S waves and in higher partial waves where the tensor force is repulsive this cutoff dependence can be absorbed by counterterms expected at that order. In the other partial waves additional contact interactions are necessary. The implications of this finding for the effective-field-theory program in nuclear physics are discussed.

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