CHIRAL LAGRANGIAN MODEL OF SINGLE-PION PHOTOPRODUCTION

被引:160
作者
PECCEI, RD
机构
[1] Laboratory for Nuclear Science and Department of Physics, Massachusetts Institute of Technology, Cambridge
来源
PHYSICAL REVIEW | 1969年 / 181卷 / 05期
关键词
D O I
10.1103/PhysRev.181.1902
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We have constructed a chiral-invariant Lagrangian model for single pion photoproduction. We have used this Lagrangian to calculate threshold values for the differential cross sections. These threshold results were found to be in reasonable agreement with recent current-algebra calculations. For the cases where data were available, the comparison with experiment was favorable. © 1969 The American Physical Society.
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页码:1902 / &
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