The form factors of the nucleon at small momentum transfer

Details The form factors of the nucleon at small momentum transfer The form factors of the nucleon at small momentum transfer

1998-01-14

arxiv.org/abs/hep-ph/9801297v2

Nucl.Phys. A635 (1998) 121-145; Erratum-ibid. A642 (1998) 563-563

Physics

High Energy Physics

High Energy Physics - Phenomenology

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

Scientific paper

10.1016/S0375-9474(98)00175-4

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.

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