Traces of Landau-Zener transitions in the fusion cross section of heavy nuclei
Description
Nucleus-nucleus collisions with center of mass energies Esub(CM) close to the Coulomb barrier are investigated within the framework of time-dependent two-center shell model states. The influence of Landau-Zener transitions on the nucleus-nucleus potential is studied in detail as a function of Esub(CM). Dynamical barrier shifts and barrier fluctuations are evaluated for central collisions of 90Zr + 90Zr, 92Zr + 92Zr, 96Zr + 96Zr and their effect on the fusion probability is discussed explicitly. While for 90Zr + 90Zr no modification of the barrier penetration is found a relative enhancement (reduction) of the fusion probability up to a factor of 4 is obtained for 92Zr + 92Zr and 96Zr + 96Zr. (orig.)
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Additional details
Publishing Information
- Imprint Pagination
- 37 p.
- Report number
- GSI--84-52(prepr.)
INIS
- Country of Publication
- Germany
- Country of Input or Organization
- Germany
- INIS RN
- 16016417
- Subject category
- S73: NUCLEAR PHYSICS AND RADIATION PHYSICS;
- Descriptors DEI
- ENERGY DEPENDENCE; ENERGY LEVELS; FLUCTUATIONS; HEAVY ION FUSION REACTIONS; HEAVY NUCLEI; INTERMEDIATE MASS NUCLEI; MERCURY ISOTOPES; MEV RANGE 100-1000; MULTI-CENTER SHELL MODEL; NEUTRONS; NUCLEAR POTENTIAL; TIME DEPENDENCE; ZIRCONIUM 90 REACTIONS; ZIRCONIUM 90 TARGET; ZIRCONIUM 92 REACTIONS; ZIRCONIUM 92 TARGET; ZIRCONIUM 96 REACTIONS; ZIRCONIUM 96 TARGET
- Descriptors DEC
- BARYONS; ELEMENTARY PARTICLES; ENERGY RANGE; FERMIONS; HADRONS; HEAVY ION REACTIONS; MATHEMATICAL MODELS; MEV RANGE; NUCLEAR MODELS; NUCLEAR REACTIONS; NUCLEI; NUCLEONS; NUCLEOSYNTHESIS; POTENTIALS; SHELL MODELS; SYNTHESIS; TARGETS; VARIATIONS
Optional Information
- Notes
- With 39 refs.