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Collisions of halo nuclei within a dynamical eikonal approximation.
1Physique Quantique, C.P. 165/82 and Physique Nucléaire Théorique et Physique Mathématique, C.P. 229, Université Libre de Bruxelles, B 1050 Brussels, Belgium. dbaye@ulb.ac.be
Physical Review Letters
|October 4, 2005
Summary
The dynamical eikonal approximation accurately calculates quantum scattering, showing good agreement with experimental data for 11Be breakup on 208Pb. This method accounts for interference effects in nuclear reactions.
Area of Science:
- Nuclear physics
- Atomic and molecular physics
- Quantum mechanics
Background:
- Semiclassical methods are crucial for understanding nuclear reactions.
- Eikonal and time-dependent methods offer different approximations for scattering.
- Accurate calculation of differential cross sections is essential for nuclear reaction studies.
Purpose of the Study:
- To introduce and validate the dynamical eikonal approximation.
- To calculate differential cross sections for elastic scattering and breakup reactions.
- To assess the role of interference effects and dynamical effects in nuclear scattering.
Main Methods:
- The dynamical eikonal approximation is presented as a unified approach.
- Quantum mechanical calculations are performed for scattering processes.
- Comparison with experimental data for specific nuclear systems is conducted.
Main Results:
- The dynamical eikonal approximation shows good agreement with experimental results for 11Be breakup on 208Pb.
- Interference effects are successfully incorporated into the calculations.
- Dynamical effects were found to be minimal for elastic scattering in this system.
Conclusions:
- The dynamical eikonal approximation is a viable method for quantal calculations of scattering.
- The approach accurately predicts breakup cross sections, including interference.
- Further application to other nuclear systems is warranted.