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Baldo, M.; Ferreira, L.S.; Streit, L.
Bielefeld Univ. (Germany, F.R.). Zentrum fuer Interdisziplinaere Forschung1984
Bielefeld Univ. (Germany, F.R.). Zentrum fuer Interdisziplinaere Forschung1984
AbstractAbstract
[en] In this work we discuss an ansatz for the separable approximation based on the use of Gamow states. This procedure not only appears to be suitable for reproducing the phase-shifts well, it also gives a good description of the off-shell T-matrix and is free of spurious anomalies such as poles on the real energy axis which are responsible for 'oscillations' or jumps in the phase shifts as functions of energy. (orig./HSI)
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Bielefeld Univ. Zentrum fuer Interdisziplinaere Forschung. Project No. 2 mathematics + physics; no. 100; Jul 1984; 21 p
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