New approach to NN with perturbative pions
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⚛️ nucl-th
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approachinteractionspionbrieflycurrentdescriptionsdiffersdistance
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The current status of effective field theory (EFT) descriptions of nucleon-nucleon (NN) interactions is briefly reviewed, and a new formulation of EFT which treats pion interactions perturbatively is presented. This approach differs from the Kaplan-Savage-Wise (KSW) expansion in that the singular short distance part of the pion tensor interaction is summed to all orders.
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