A coupled channel unitary chiral approach to the meson-meson interaction and pion-pion scattering in a nuclear medium
A new tool which combines chiral perturbation theory and unitarity in coupled channels is applied with success to the study of the meson-meson interaction, extending the theoretical predictions up to {radical}s = 1.2 GeV, hence improving considerably the convergence radius of conventional chiral perturbation theory, {chi}PT. The method is applied to obtain the meson-meson phase shifts and inelasticities as well as the isoscalar {pi}{pi} scattering amplitude inside a nuclear medium.
- Research Organization:
- SLAC National Accelerator Lab., Menlo Park, CA (United States)
- Sponsoring Organization:
- USDOE Office of Energy Research (ER) (US)
- DOE Contract Number:
- AC03-76SF00515
- OSTI ID:
- 9940
- Report Number(s):
- SLAC-PUB-7973; TRN: US0103237
- Resource Relation:
- Other Information: PBD: 28 Oct 1998
- Country of Publication:
- United States
- Language:
- English
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