We analyze elastic pion-nucleon scattering to fourth order in heavy-baryon chiral perturbation theory, extending the third-order study published in Nucl. Phys. A 640 (1998) 199. We use various partial-wave analyses to pin down the low-energy constants from data in the physical region. The S-wave sca
โฆ LIBER โฆ
A three-nucleon scattering calculation using perturbation theory
โ Scribed by I.H. Sloan
- Publisher
- Elsevier Science
- Year
- 1972
- Tongue
- English
- Weight
- 905 KB
- Volume
- 188
- Category
- Article
- ISSN
- 0375-9474
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## Abstract Energy difference formulas for isoelectronic processes are derived using a perturbation series. The perturbed Hamiltonian is written as a function of a perturbation parameter that changes linearly from zero to one between the limits of the isoelectronic process. The perturbation series
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