A Unified Model for Dissipative Heavy-ion Collisions
Author | : Hans Feldmeier |
Publisher | : |
Total Pages | : |
Release | : 1985 |
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Author | : Hans Feldmeier |
Publisher | : |
Total Pages | : |
Release | : 1985 |
Genre | : |
ISBN | : |
Author | : Hans Feldmeier |
Publisher | : |
Total Pages | : 38 |
Release | : 1985 |
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Author | : Hans Feldmeier |
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Total Pages | : 167 |
Release | : 1987 |
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Author | : Aparajita Dey |
Publisher | : LAP Lambert Academic Publishing |
Total Pages | : 176 |
Release | : 2010-07 |
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ISBN | : 9783838386218 |
The dissipative nuclear reaction mechanism in low energy light heavy-ion collisions have been studied. Inclusive energy distributions for various fragments and light charged particles have been measured in a wide angular range in several reactions. In the 20Ne+12C reaction, the fragment yield was mostly from the equilibrium decay of composite system, although the cross-sections for B, C, N fragments were higher than the statistical model predictions. This enhancement in cross-section indicated the survival of orbiting-like phenomenon at the energy > 7 MeV/nucleon. The composite system is also deformed. In 20Ne+27Al reaction, both deep-inelastic and fusion-fission processes were found to contribute significantly to the fragment yield. The time scale for the deep-inelastic process was 10-22 seconds. It has been found that the extracted values of angular momentum dissipation were more than the corresponding phenomenological (sticking) limit predictions for light fragments. In addition, in- plane coincidence data gives information about the decay of the hot composite formed 20Ne+12C reaction at 158 MeV.
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Release | : 1985 |
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This report is a compilation of lecture notes of a series of lectures held at Argonne National Laboratory in October and November 1984. The lectures are a discussion of dissipative phenomena as observed in collisions of atomic nuclei. The model is based on a system which has initially zero temperature and the initial energy is kinetic and binding energy. Collisions excite the nuclei, and outgoing fragments or the compound system deexcite before they are detected. Brownian motion is used to introduce the concept of dissipation. The master equation and the Fokker-Planck equation are derived. 73 refs., 59 figs. (WRF).
Author | : Hahn-Meitner-Institut fur Kernforschung. Sektor Kern und Strahlenphysik |
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Author | : Hartwig Freiesleben |
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Total Pages | : 120 |
Release | : 1984 |
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Author | : P. Senger |
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Total Pages | : 20 |
Release | : 1986 |
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Author | : Wolfgang Nörenberg |
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Total Pages | : 63 |
Release | : 1979 |
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Author | : D. H. E. Gross |
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Total Pages | : 42 |
Release | : 1978 |
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