"Super-radiance" and the width of exotic baryons
arXiv:nucl-th/0310029 · doi:10.1016/j.physletb.2004.03.063
Abstract
It is suggested that the narrow width of the recently observed resonance $Î^{+}(1540)$ with strangeness $S=+1$ could be a result of the super-radiance mechanism of the redistribution of the widths of overlapping resonances due to their coupling through common decay channels.
This is an update of the original version submitted on October 08, 2003; it includes consideration of an additional model and one new figure