The role of the entrance channel in the fusion of massive nuclei |
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Authors: | RV Jolos AI Muminov AK Nasirov |
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Institution: | (1) Joint Institute for Nuclear Research, 141980, Dubna, Russia, RU;(2) Institute of Nuclear Physics, 702132 Ulugbek, Tashkent, Uzbekistan, UZ |
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Abstract: | The role of the entrance channel in the fusion-fission reactions leading to nearly the same superheavy compound nucleus is
studied in the framework of dynamic model. The calculations are done for 48Ca +244Pu and 74,76Ge +208Pb reactions which could lead to formation of superheavy element Z = 114. It is shown that for these reactions there is an
energy window for the values of the bombarding energy at which a capture probability is sufficiently large. Together with
the restriction coming from the intrinsic barrier for fusion, it helps to find an optimal value of the bombarding energy for
a given projectile--target combination.
Received: 15 July 1998 |
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Keywords: | PACS: 25 70 Gh Compoud nucleus – 25 70 Jj Fusion and fusion– fission reactions |
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