Low-energy expansion of meson form factors
β Scribed by J. Gasser; H. Leutwyler
- Book ID
- 118232367
- Publisher
- Elsevier Science
- Year
- 1985
- Tongue
- English
- Weight
- 920 KB
- Volume
- 250
- Category
- Article
- ISSN
- 0550-3213
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π SIMILAR VOLUMES
We analyze the electromagnetic form factors of the nucleon to fourth order in relativistic baryon chiral perturbation theory. We employ the recently proposed infrared regularization scheme and show that the convergence of the chiral expansion is improved as compared to the heavy-fermion approach. We
K, form factors are studied in the analytic hard-meson framework. The Cell-Mann-Oak&-Renner model for chiral Su(3) y SLI(3) symmetry breaking is employed to determine the so called u-terms and current divergences. PCAC is used for the n-and i(mesons, and two-particle unitarity is used for the I-and