Scalar-Pseudoscalar scattering and pseudoscalar resonances

Details Scalar-Pseudoscalar scattering and pseudoscalar resonances Scalar-Pseudoscalar scattering and pseudoscalar resonances

2010-11-26

arxiv.org/abs/1011.5843v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

3 pages, 2 figures; Contributed oral presentation in (QCHS09) The IX International Conference on Quark Confinement and Hadron

Scientific paper

The interactions between the f_0(980) and a_0(980) scalar resonances and the lightest pseudoscalar mesons are studied. We first obtain the interacting kernels, without including any ad hoc free parameter, because the lightest scalar resonances are dynamically generated. These kernels are unitarized, giving the final amplitudes, which generate pseudoscalar resonances, associated with the K(1460), \pi(1300), \pi(1800), \eta(1475) and X(1835). We also consider the exotic channels with I=3/2 and I^G=1^+ quantum numbers. The former could be also resonant in agreement with a previous prediction.

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