Dynamical intermediate-mass fragment production in197Au+197Au collisions at energies ≤15 MeV/u |
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| Authors: | Th. Blaich J. V. Kratz R. Schmoll K. Sümmerer G. Wirth |
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| Affiliation: | 1. Institut für Kernchemie, Universit?t Mainz, D-55099, Mainz, Germany
2. Gesellschaft für Schwerionenforschung, D-64220, Darmstadt, Germany
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| Abstract: | We present radiochemical data on the production of intermediate-mass fragments (IMF, 11≤Z<≈25) in collisions of197Au+197Au at 9, 11, 13 and 15 MeV/u. We demonstrate that the IMFs are produced in two-step reactions: Highly excited heavy nuclei are formed in a binary deep-inelastic reaction, and the IMFs originate from fast mass-asymmetric sequential fission of these primary reaction products. |
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