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The helicity amplitude approach to low energy theorems

โœ Scribed by Norman Dombey; N.C McKenzie

Publisher
Elsevier Science
Year
1973
Tongue
English
Weight
914 KB
Volume
78
Category
Article
ISSN
0003-4916

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๐Ÿ“œ SIMILAR VOLUMES

The helicity amplitude approach to Low E
The helicity amplitude approach to Low Energy Theorems: Norman Dombey. University of Sussex, School of Mathematical and Physical Sciences, Brighton BN1 9QH, Sussex, England and N. C. McKenzie, Research Institute for Fundamental Physics, Kyoto University, Kyoto, Japan
๐Ÿ“‚ Article ๐Ÿ“… 1973 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 80 KB

An eikonal expansion of the potential scattering T matrix is evaluated, without approximation, through third order in the inverse momentum. Based on the results, their correspondence with the WKB approximation and a new statement of the unitarity constraint, we propose a sequence of four approximati

Low-energy theorems and dispersion relat
Low-energy theorems and dispersion relations to all orders in the electromagnetic interaction
โœ L.D Soloviev ๐Ÿ“‚ Article ๐Ÿ“… 1973 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 450 KB

An S-matrix theory of the electromagnetic interaction without infrared divergences is proposed. With the help of it the effects of the soft (both real and virtual) photons are considered without perturbation theory approximations. The following results are obtained. (1) The terms of order k-l, In k