SOME SINGULARITIES OF SCATTERING AMPLITUDES ON UNPHYSICAL SHEETS
Journal Article
·
· Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D
An investigation of the consequences on unphysical sheets of a Mandelstam-type representation holding for a twoparticle scattering amplitude on the physical sheet is described. The domain of analyticity in the energy and momentum transfer variables is constructed and compared with perturbation theory. A theorem on multiplication of singularities for Legendre polynomial expansions used in the discussion is proven. (auth)
- Research Organization:
- Univ. of Cambridge, Eng.
- NSA Number:
- NSA-15-006670
- OSTI ID:
- 4106655
- Journal Information:
- Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D, Journal Name: Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D Vol. Vol: 121; ISSN PHRVA
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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