The Algebraic transformation matrices, valid for all s and I, connecting the s-and t-channel helicity amplitudes to a corresponding set of gauge invariant covariant amplitudes are presented for the photoproduction processes y + N j l\* + N.
Lorentz invariance, approach to helicity, and gauge transformations for Spin-1
β Scribed by Tino Ahrens
- Publisher
- Springer
- Year
- 1984
- Tongue
- English
- Weight
- 343 KB
- Volume
- 23
- Category
- Article
- ISSN
- 0020-7748
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π SIMILAR VOLUMES
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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