ACCURATE REGGE-POLE POSITIONS AND RESIDUES DETERMINED BY PHASE-AMPLITUDE FORMULAS

被引：27

作者：

ANDERSSON, N ^{[1
]}

机构：

[1] DEPT THEORET PHYS,S-75238 UPPSALA,SWEDEN

来源：

JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL | 1993年 / 26卷 / 19期

关键词：

D O I：

10.1088/0305-4470/26/19/036

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Formulae determining Regge pole positions and residues are derived within the phase-amplitude method. Numerical calculations are performed for an optical Lennard-Jones (12, 6) potential using parameters approximating elastic scattering of K, and Li, by HBr. Comparison with previous investigations shows that the phase-amplitude results are very accurate. Hence, the phase-amplitude method provides an important alternative to other methods used to investigate scattering problems in the complex angular momentum representation.

引用

页码：5085 / 5097

页数：13

共 27 条

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