COMMENTS ON FIXED POLES IN PHOTOPRODUCTION AMPLITUDES

被引：20

作者：

DASHEN, R

LEE, SY

机构：

[1] Institute for Advanced Study, Princeton

[2] Palmer Physical Laboratory, Princeton University, Princeton

[3] Alfred P. Sloan Foundation, California Institute of Technology, Pasadena, CA

来源：

PHYSICAL REVIEW LETTERS | 1969年 / 22卷 / 08期

关键词：

D O I：

10.1103/PhysRevLett.22.366

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

It is pointed out that high-energy, backward pion photoproduction is the best place to look for right-signature fixed poles. We also summarize a new argument, based on a potential-theory model, that such fixed poles are absent when the external particles lie on Regge trajectories. © 1969 The American Physical Society.

引用

页码：366 / &

共 12 条

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PHYSICAL REVIEW, 1967, 160 (05) :1329-+

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NUOVO CIMENTO, 1963, 30 (04) :1127-+

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PHYSICAL REVIEW, 1967, 160 (05) :1490-+

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