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Título : Nature of the K-2*(1430), K-3*(1780), K-4*(2045), K-5*(2380), and K-6* as K*-multi-rho states
Autor : Yamagata-Sekihara, J., Roca, Luis, Oset, Eulogi
Fecha de publicación : 15-Nov-2010
Editor: Institute of Physics Publishing
Citación : Physical Review - Section D - Particles and Fields 82 (9): 094017 (2010)
Resumen: We show that the K-2*(1430), K-3*(1780), K-4*(2045), K-5*(2380), and a not-yet-discovered K-6* resonance are basically molecules made of an increasing number of rho(770) and one K*(892) mesons. The idea relies on the fact that the vector-vector interaction in the s wave with spins aligned is very strong for both rho rho and K*rho. We extend a recent work, where several resonances showed up as multi-rho(770) molecules, to the strange sector including the K*(892) into the system. The resonant structures show up in the multibody scattering amplitudes, which are evaluated in terms of the unitary two-body vector-vector scattering amplitudes by using the fixed center approximation to the Faddeev equations.
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ISSN: 1550-7998
DOI: 10.1103/PhysRevD.82.094017
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