Characteristics Of The Polarization Part Of The Optical Potential For A Weakly Bound Projectile, Be-9
Physical Review C(2010)
摘要
Based on the extended optical model with the double folding potential, in which the polarization potential is decomposed into direct reaction (DR) and fusion parts, simultaneous chi(2) analyses are performed of elastic scattering and fusion cross-section data for the Be-9 + Si-28, Sm-144, and Pb-208 systems at near-Coulomb-barrier energies. The polarization potentials thus determined are found to reveal an interesting target mass number dependence reflecting the experimental observation that the fusion cross section becomes larger than the DR cross section as the target changes from Pb-208 to Si-28.
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关键词
cross section,scattering,electric field,isotopes,electric fields,mathematical model,nuclear reactions,stable isotopes,silicon isotopes,beryllium isotopes,nucleosynthesis,mathematical models,silicon 28,statistics,mathematics,polarization,elastic scattering,mass number
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