[SEMINARI]: Dr. Pelaez: Complete meson-meson scattering within one-loop Chiral Perturbation Theory and its unitarization

[Arcadi Santamaria i Luna]

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                              S E M I N A R I

             [Image]   Departament de Física Teòrica    [Image]
                          Universitat de València
                       Institut de Física Corpuscular
                       Universitat de València - CSIC

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       Complete meson-meson scattering within one-loop Chiral Perturbation
                           Theory and its unitarization

                              Jose Ramon Pelaez

                     (Universidad Complutense de Madrid)

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                              Seminari del IFIC
                 Tuesday 30 of October of 2001 at 12:30 PM
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                                    Resum

 We have completed the one-loop calculation of all the two meson scattering
 amplitudes within SU(3) Chiral Perturbation Theory, i.e. with pions, kaons
      and etas. By unitarizing these amplitudes we are able to generate
   dynamically the lightest resonances in meson-meson scattering. We thus
  obtain a remarkable description of the meson-meson scattering data right
     from threshold up to 1.2 GeV, in terms of chiral parameters in good
                  agreement with previous determinations.

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