EPJ Web of Conferences
Volume 37, 2012MESON 2012 – 12th International Workshop on Production, Properties and Interaction of MESONS
|Number of page(s)||4|
|Section||Other topics - parallel talks|
|Published online||06 December 2012|
Chiral dynamics with vector fields: an application to ππ and πK scattering
1 GSI Helmholtzzentrum für Schwerionenforschung GmbH, Planck Str. 1, 64291 Darmstadt, Germany
2 SSC RF ITEP, Bolshaya Cheremushkinskaya 25, 117218 Moscow, Russia
a e-mail: email@example.com
A theoretical study of Goldstone boson scattering based on the chiral Lagrangian with vector meson fields is presented. In application of a recently developed novel approach we extrapolate subthreshold partial-wave amplitudes into the physical region. The constraints set by micro-causality and coupled-channel unitarity are kept rigourously. It is shown that already the leading order subthreshold amplitudes lead to s- and p-wave ππ and πK phase shifts are in agreement with the experimental data up to about 1.2 GeV.
© Owned by the authors, published by EDP Sciences, 2012
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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