Effective Field Theory for Few-Nucleon Systems

Preprint

20 March 2002

preprint
Published by arXiv in arXiv

https://doi.org/10.48550/arXiv.nucl-th/0203055

Abstract

We review the effective field theories (EFTs) developed for few-nucleon systems. These EFTs are controlled expansions in momenta, where certain (leading-order) interactions are summed to all orders. At low energies, an EFT with only contact interactions allows a detailed analysis of renormalization in a non-perturbative context and uncovers novel asymptotic behavior. Manifestly model-independent calculations can be carried out to high orders, leading to high precision. At higher energies, an EFT that includes pion fields justifies and extends the traditional framework of phenomenological potentials. The correct treatment of QCD symmetries ensures a connection with lattice QCD. Several tests and prospects of these EFTs are discussed.

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All Related Versions

Version 1, 2002-03-20, ArXiv
Published version: Annual Review of Nuclear and Particle Science, 52 (1), 339.

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