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Cross section and angular distribution of products in " quasifission" reactions induced by 525-MeV Kr84 ions on a Bi209 target

par Hanappe, Francis ;Lefort, Marc;Ngô, C.;Péter, Jean;Tamain, Bernard
Référence Physical review letters, 32, 13, page (738-741)
Publication Publié, 1974

Article révisé par les pairs

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Résumé :

We observed "quasifission" events (or "incomplete fusion" events) in the bombardment of Bi209 by 525-MeV Kr84 ions. By a simple method, the angular distribution of these events has been obtained. Its maximum value appears around 65°lab, i.e., 95°c.m. The integrated cross section for this reaction is 500 mb, more than 12 of the total reaction cross section. No symmetric fission coming from a complete fusion nucleus has been observed, and it seems that the "quasifission" reaction occurs instead of complete fusion, as was previously observed at 500 MeV bombarding energy. © 1974 The American Physical Society.