Abstract

Analytical expression for the Hulthén off-shell T -matrix in all partial waves is constructed in its maximal reduced form. As a basic requirement the off-shell solutions and Jost function are first developed by following the differential equation approach to the problem together with judicious exploitation of the properties of certain special functions of mathematical physics . The off-shell T -matrix is found to be in order with respect to its limiting behaviours and off-shell unitarity.

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