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Two-Channel Separable Potential
Phys. Rev. D 5, 2804 – Published 1 June, 1972
DOI: https://doi.org/10.1103/PhysRevD.5.2804
Abstract
A simple form of a two-channel nonlocal separable potential which includes a tensor term is adjusted to fit the scattering lengths and effective ranges given by a specific mesontheoretic potential for various combinations of channel and tensor force suppression. For Yamaguchi potential shapes it is shown that such a fit may be obtained only for severely restricted values of the -channel range parameters. The further requirement of the existence of a resonance which is not due to a bound state in the uncoupled channel could only be met for some of the fits so obtained.
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Omitted endnote
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