The form factors of the nucleon at small momentum transfer

Abstract

We study the low energy expansion of the nucleon's electroweak form factors in the framework of an effective chiral Lagrangian including pions, nucleons and the $Delta(1232)$. We work to third order in the so-called small scale expansion and compare the results with the ones previously obtained in the chiral expansion. In addition, these calculations serve as a first exploratory study of renormalization and decoupling within the small scale expansion.

21 pp, RevTeX, uses epsf, 4 figs, minor corrections, accepted for publication in Nucl.Phys.A

References in corpus (5)

• Muon capture by a proton in heavy baryon chiral perturbation theory
• Wave function renormalization in heavy baryon chiral perturbation theory
• Radiative Muon Capture in Heavy Baryon Chiral Perturbation Theory
• Radiative Muon Capture by a Proton in Chiral Perturbation Theory
• Radiative and non radiative muon capture on the proton in heavy baryon chiral perturbation theory

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