MOMENTUM-SPACE METHOD FOR PIONIC ATOMS

被引：11
|
作者：
CIEPLY, A [1 ]
GMITRO, M [1 ]
MACH, R [1 ]
KAMALOV, SS [1 ]
机构：
[1] JOINT NUCL RES INST, THEORET PHYS LAB, DUBNA 101000, USSR
来源：
PHYSICAL REVIEW C | 1991年 / 44卷 / 02期
关键词：
D O I：
10.1103/PhysRevC.44.713
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：
A new momentum-space method is developed for calculation of the strong-interaction shifts and widths in pionic atoms. The singularity connected with the Coulomb potential is treated by using the Vincent and Phatak prescription. The nuclear and atomic distances are separated in our scheme and this secures numerical stability of the calculation. The latter property makes the method a useful alternative to the earlier algorithms. Sample results for a series of light pionic atoms are shown.
引用
收藏
页码：713 / 720
页数：8
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