Interaction of the Θ+ with the nuclear medium
M. J. Vicente Vacas, D. Cabrera, Q. B. Li, V. K. Magas, E. Oset
Abstract
We study the selfenergy of the Θ+ pentaquark in nuclei associated with two types of interaction: the KN decay of the Θ+ and two meson baryon decay channels of the Θ+. Whereas the potential related to the first source is quite weak, the second kind of interaction produces a large and attractive potential that could lead to the existence of Θ+ nuclear bound states.
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