The new neutron-rich nuclei231Fr and231Ra |
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| Authors: | P Hill N Kaffrell W Kurcewicz G Nyman |
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| Institution: | 1. Service de Physique Nucléaire - Métrologie Fondamentale, CEN Saclay, F-91191, Gif-sur-Yvette Cedex, France
2. CRN, F-67037, Strasbourg, France
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| Abstract: | Energy spectra and angular distributions of heavy fragments produced in 19F + 89Y reaction at 140 MeV incident energy have been measured. Two different domains of reaction mechanism are observed at forward and backward angles respectively; the corresponding lifetime parameters are extracted from their angular distributions. |
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