ROLE OF 2ND-ORDER OPTICAL-POTENTIAL IN PION-OXYGEN SCATTERING

被引:34
作者
LIU, LC [1 ]
SHAKIN, CM [1 ]
机构
[1] CUNY, BROOKLYN COLL, DEPT PHYS, BROOKLYN, NY 11210 USA
来源
PHYSICAL REVIEW C | 1979年 / 19卷 / 01期
关键词
D O I
10.1103/PhysRevC.19.129
中图分类号
O57 [原子核物理学、高能物理学];
学科分类号
070202 ;
摘要
We analyze -O16 elastic scattering at pion energies between 40 and 340 MeV. An excellent fit to the data follows from the inclusion of a second-order optical potential. The parameters specifying the second-order potential are found to exhibit marked resonance behavior. The magnitude and the energy dependence of the parameters of the second-order potential obtained for pion-oxygen scattering are, in the main, very similar to that determined for pion-carbon scattering. This result indicates that a universal parametrization of the second-order pion-nucleus optical potential may be possible. NUCLEAR REACTIONS Pion-oxygen scattering at 40, 49.7, 50, 79.3, 114.3, 162.6, 240.2, and 342.6 MeV. Parameters of second-order optical potential. © 1979 The American Physical Society.
引用
收藏
页码:129 / 134
页数:6
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