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ππ S-wave phase shifts and non-perturbative chiral approach

✍ Scribed by N. Kaiser


Publisher
Springer
Year
1998
Tongue
English
Weight
221 KB
Volume
3
Category
Article
ISSN
1434-601X

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Chiral non-perturbative approach to the
✍ H.C. Chiang; E. Oset; M.J. Vicente-Vacas 📂 Article 📅 1998 🏛 Elsevier Science 🌐 English ⚖ 776 KB

The s-wave isoscalar amplitude for 7rcr scattering in a nuclear medium is evaluated using a nonperturbative unitary coupled channels method and the standard chiral Lagrangians. The method has proved successful to describe the 7rTr properties in the scalar-isoscalar channel up to 1.2 GeV, giving rise