DISPERSION RELATIONS FOR PRODUCTION AMPLITUDES
Journal Article
·
· Phys. Rev. Letters
>The Logunov dispersion relation for production amplitudes is discussed. It is shown that this relation is invalid, i.e., that the production amplitude has complex singularities when regarded as a function of the Logunov variables. The reaction pi + N yields pi + pi + N is analyzed by perturbation theory, and it is found that 4 of the 5 independent variables of the reaction are ignored in the Logunov calculations. The singularities in the Logunov production amplitudes are demonstrated in Feynman diagrams. (T.F.H.)
- Research Organization:
- Princeton Univ., N.J.
- NSA Number:
- NSA-15-015000
- OSTI ID:
- 4043097
- Journal Information:
- Phys. Rev. Letters, Journal Name: Phys. Rev. Letters Vol. Vol: 6: No. 6
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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