Chiral non-perturbative approach to the
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H.C. Chiang; E. Oset; M.J. Vicente-Vacas
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Article
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1998
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Elsevier Science
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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