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Nuclear reaction; scattering theory; energy-dependant separable potentials; low-energy scattering parameters; off-shell transition; reactance amplitudes

We derive a coordinate space approach to energy-dependent separable potentials and clearly demonstrate its calculational advantage. The results presented include expressions for (i) low-energy scattering parameters and (ii) off-energy-shellT andK matrices. We study energy dependence of the effective potential with particular emphasis on cross-channel suppression effects.

K Niyogi¹ R N Panigrahi² D Roy² B Talukdar²

1. Department of Physics, Bolpur College, Bolpur - 731 204, India
2. Department of Physics, Visva-Bharati University, Santiniketan - 731 235, India

Published

September 1981

Manuscript received

21 November 1980

Manuscript revised

18 July 1981