Breakup Effect on the Reactions of ^<4,6>He and ^6Li(Nuclear Physics)

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概要

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• The breakup effect on the scattering and reaction of ^<4,6>He+p, ^<12>C, ^<40>Ca and ^6Li+p at energies of 50-800MeV/nucleon has been studied in the framework of the eikonal approximation. The eikonal phase-shift functions have been calculated completely employing Monte Carlo integration. Realistic 6-nucleon wave functions for the ^6He and ^6Li nuclei have been used. The dynamic polarization potentials have been determined. We find that the breakup effect is minimal at an incident energy of 200MeV/nucleon. At this energy, the imaginary part of the polarization potential changes sign (negative to positive with increasing energy). The real part of the polarization potential also changes sign (repulsive to attractive) around 400MeV/nucleon. This sign change depends neither on the target nor the projectile. It depends only on the ratio of the real to the imaginary parts of the underlying nucleon-nucleon (or nucleon-target) potential. The breakup effect is stronger in ^6He than in ^6Li.

• 理論物理学刊行会の論文
• 2005-02-25

著者

• Abu-ibrahim Badawy

  Department Of Physics Niigata University:department Of Physics Cairo University

• ABU-IBRAHIM Badawy

  The Institute of Physical and Chemical Research (RIKEN):Department of Physics, Cairo University

• ABU-IBRAHIM Badawy

  Department of Physics, Niigata University:Department of Physics, Cairo University

関連論文

• Breakup Effect on the Reactions of ^He and ^6Li(Nuclear Physics)
• Proton-Nucleus Total Reaction Cross Sections in the Optical Limit Glauber Theory : Subtle Dependence on the Equation of State of Nuclear Matter(Nuclear Physics)
• Deducing the Density Dependence of the Symmetry Energy from Unstable Nuclei(Proceedings of the YITP Workshop on Nuclear Matter under Extreme Conditions)
• Breakup Effect on the Reactions of ^He and ^6Li(Nuclear Physics)

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