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Unitarized chiral perturbation theory for elastic pion-pion scattering

✍ Scribed by A. Dobado; Maria J. Herrero; Tran N. Truong


Book ID
113356950
Publisher
Elsevier Science
Year
1990
Tongue
English
Weight
495 KB
Volume
235
Category
Article
ISSN
0370-2693

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Pion–nucleon scattering in chiral pertur
✍ Nadia Fettes; Ulf-G. Meißner πŸ“‚ Article πŸ“… 2000 πŸ› Elsevier Science 🌐 English βš– 326 KB

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