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VOLUME 51 (1990) | ISSUE 7 | PAGE 352
Analytic structure of the amplitude of dt scattering near the elastic threshold
A model-independent description of dt and na scattering has been obtained by means of an effective-radius expansion. The fusion reaction Л-> na near the elastic threshold has also been obtained using an effective-radius expansion. The positions of the ^-matrix poles, which are associated with the existence of an 5 He* (3/2 +) resonance and with the Coulomb interaction, have been found.