POLARIZATION POTENTIALS IN HEAVY-ION SCATTERING AND FUSION

被引:25
作者
KIM, BT [1 ]
NAITO, M [1 ]
UDAGAWA, T [1 ]
机构
[1] SUNGKYUNKWAN UNIV, DEPT PHYS, SUWON 440746, SOUTH KOREA
关键词
D O I
10.1016/0370-2693(90)90453-D
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
A search is made for a polarization potential fully satisfying the dispersion relation, by carrying out simultaneous χ2-analyses of elastic scattering and fusion data for the 16O+208Pb system near the Coulomb barrier energy. The imaginary part, W, of the potential is assumed to consist of a volume-type fusion and a surface-derivative-type direct reaction potential, while the real part has the corresponding polarization parts along with an energy-independent bare potential. Characteristic features of the potential thus obtained are discussed. © 1990.
引用
收藏
页码:19 / 23
页数:5
相关论文
共 25 条
[1]  
BIRKELUND JR, 1985, ANNU REV NUCL PART S, V33, P124
[2]   CHANNEL-COUPLING EFFECTS IN HEAVY-ION FUSION REACTIONS [J].
DASSO, CH ;
LANDOWNE, S .
NUCLEAR PHYSICS A, 1983, 405 (02) :381-396
[3]   THE SIZE OF THE FUSION POTENTIAL [J].
HONG, SW ;
UDAGAWA, T ;
TAMURA, T .
NUCLEAR PHYSICS A, 1989, 491 (03) :492-508
[4]   SURFACE CONTRIBUTIONS TO THE COMPLEX NEUTRON-PB-208 MEAN FIELD BETWEEN -20 AND +20 MEV [J].
JEUKENNE, JP ;
JOHNSON, CH ;
MAHAUX, C .
PHYSICAL REVIEW C, 1988, 38 (06) :2573-2588
[5]   NEUTRON-CA-40 MEAN FIELD BETWEEN -80 AND +80 MEV FROM A DISPERSIVE OPTICAL-MODEL ANALYSIS [J].
JOHNSON, CH ;
MAHAUX, C .
PHYSICAL REVIEW C, 1988, 38 (06) :2589-2609
[6]   UNIFIED DESCRIPTION OF THE NEUTRON-PB-208 MEAN FIELD BETWEEN -20 AND +165 MEV FROM THE DISPERSION-RELATION CONSTRAINT [J].
JOHNSON, CH ;
HOREN, DJ ;
MAHAUX, C .
PHYSICAL REVIEW C, 1987, 36 (06) :2252-2273
[7]   HEAVY-ION OPTICAL-POTENTIAL FOR SUB-BARRIER FUSION DEDUCED FROM A DISPERSION-RELATION [J].
KIM, BT ;
KIM, HC ;
PARK, KE .
PHYSICAL REVIEW C, 1988, 37 (03) :998-1003
[8]   COUPLED-CHANNELS FUSION CALCULATIONS FOR NI-58+NI-58 [J].
LANDOWNE, S ;
PIEPER, SC .
PHYSICAL REVIEW C, 1984, 29 (04) :1352-1357
[9]   EVIDENCE FOR A PROGRESSIVE FAILURE OF THE DOUBLE FOLDING MODEL AT ENERGIES APPROACHING THE COULOMB BARRIER [J].
LILLEY, JS ;
FULTON, BR ;
NAGARAJAN, MA ;
THOMPSON, IJ ;
BANES, DW .
PHYSICS LETTERS B, 1985, 151 (3-4) :181-184
[10]   DYNAMIC POLARIZATION POTENTIAL FOR HEAVY-ION SCATTERING [J].
LOVE, WG ;
TERASAWA, T ;
SATCHLER, GR .
NUCLEAR PHYSICS A, 1977, 291 (01) :183-205