https://doi.org/10.1140/epjc/s10052-017-5018-z
Regular Article - Theoretical Physics
A chiral covariant approach to 
scattering
1
Helmholtz-Institut für Strahlen- und Kernphysik and Bethe Center for Theoretical Physics, Universität Bonn, 53115, Bonn, Germany
2
Institute for Advanced Simulation, Institut für Kernphysik and Jülich Center for Hadron Physics, Forschungszentrum Jülich, 52425, Jülich, Germany
3
Departamento de Física, Universidad de Murcia, 30071, Murcia, Spain
* e-mail: oller@um.es
Received:
23
February
2017
Accepted:
23
June
2017
Published online:
11
July
2017
We analyze vector meson–vector meson scattering in a unitarized chiral theory based on a chiral covariant framework restricted to 
intermediate states. We show that a pole assigned to the scalar meson 
can be dynamically generated from the interaction, while this is not the case for the tensor meson 
as found in earlier work. We show that the generation of the tensor state is untenable due to the extreme non-relativistic kinematics used before. We further consider the effects arising from the coupling of channels with different orbital angular momenta which are also important. We suggest to use the formalism outlined here to obtain more reliable results for the dynamical generation of resonances in the vector–vector interaction.
© The Author(s), 2017
