Scalar, axial-vector and tensor resonances from the ρD∗ρD^*, ωD∗ωD^* interaction in the hidden gauge formalism

preprint2010arXivOpen access

Abstract

We apply a unitary approach together with a set of hidden-gauge Lagrangians to study the vector-vector interaction. We study the case of the ρρ(ωω)D∗D^* interaction within the model. In I=1/2I=1/2 we get strong enough attraction to bind the system. Concretely, we get one resonance for each spin J=0,1,2J=0,1,2. For J=1 and 2 these resonances can be easily identified with the D∗(2460)D^*(2460) and D∗(2640)D^*(2640). Whereas the state for J=0 with mass M∼2600M\sim2600 MeV is a prediction of the model. In I=3/2I=3/2 we get a repulsive interaction and hence no exotic dynamically generated states.

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