Potentials by inversion of He3+α phase shifts and bound state energies in Be7

S. G. Cooper
Phys. Rev. C 50, 359 – Published 1 July 1994
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Abstract

A method is introduced to determine a potential by inversion from both bound state energies and phase shifts, based upon the iterative perturbative S matrix to potential inversion procedure. The method is applied to determine the local potential reproducing low-energy He3+α phase shifts as well as the l=1 bound states and lowest l=3 resonances in Be7, for both the single channel RGM and empirical data. An even-parity potential is determined from phase shifts up to l=4, which differs significantly from the shape of the odd-parity term. The need for a pronounced parity-dependent potential underlying the RGM is confirmed, which strongly resembles that found in both α+p and α+12C scattering.

  • Received 10 December 1993

DOI:https://doi.org/10.1103/PhysRevC.50.359

©1994 American Physical Society

Authors & Affiliations

S. G. Cooper

  • Physics Department, The Open University, Milton Keynes, MK7 6AA United Kingdom

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Vol. 50, Iss. 1 — July 1994

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