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arxiv: hep-ph/0303198 · v1 · submitted 2003-03-24 · ✦ hep-ph · hep-th· nucl-th

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Infrared regularization with spin-3/2 fields

V\'eronique Bernard , Thomas R. Hemmert , Ulf-G. Mei{\ss}ner
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classification ✦ hep-ph hep-thnucl-th
keywords fieldsspin-3attentionbaryonchiralcomponentsdeltadiscuss
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We present a Lorentz-invariant formulation of baryon chiral perturbation theory including spin-3/2 fields. Particular attention is paid to the projection on the spin-3/2 components of the delta fields. We also discuss the nucleon mass and the pion-nucleon sigma term.

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Cited by 1 Pith paper

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  1. Fermion-fermion scattering in a Rarita-Schwinger model with Yukawa-like interaction

    hep-th 2026-04 unverdicted novelty 5.0

    Differential and total cross sections are obtained for fermion-fermion scattering in the Rarita-Schwinger model with Yukawa-like coupling at zero and finite temperatures, in both short-range and long-range limits.