D-wave baryon resonances with charm from coupled-channel dynamics

Details D-wave baryon resonances with charm from coupled-channel dynamics D-wave baryon resonances with charm from coupled-channel dynamics

2006-01-30

arxiv.org/abs/hep-ph/0601249v2

Nucl.Phys.A776:17-51,2006

Physics

High Energy Physics

High Energy Physics - Phenomenology

38 pages

Scientific paper

10.1016/j.nuclphysa.2006.07.004

Identifying the zero-range exchange of vector mesons as the driving force for the s-wave scattering of pseudo-scalar mesons off the baryon ground states, the spectrum of ${3/2}^-$ molecules is computed. We predict a strongly bound 15-plet of $C=-1$ states. A narrow crypto-exotic octet of charm-zero states is foreseen. In the $C=+1$ sector a sextet of narrow resonances is formed due to the interaction of D mesons with the baryon decuplet. A strongly bound triplet of double-charm states is a consequence of coupled-channel dynamics driven by the D mesons.

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