SPECTRAL REPRESENTATIONS OF A FIVE-TAIL DIAGRAM IN PERTURBATION THEORY (in Russian)
Journal Article
·
· Zh. Eksperim. i Teor. Fiz.
OSTI ID:4713704
The analytical properties of an inelastic scattering amplitude, represented by a loop diagram of the fifth order with arbitrary masses on the lines, are considered. A double spectral representation of the Mandelstam type is obtained. A number of restrictions on the masses and fixed invariants required for the existence of the spectral representation are found. Even the weakest of these restrictions are violated in the physical region and the representations do not exist because of singularities in the complex plane of the spectral invariant. (auth)
- Research Organization:
- Inst. of Mathematics, Academy of Sciences, USSR
- NSA Number:
- NSA-17-028209
- OSTI ID:
- 4713704
- Journal Information:
- Zh. Eksperim. i Teor. Fiz., Journal Name: Zh. Eksperim. i Teor. Fiz. Vol. Vol: 44
- Country of Publication:
- Country unknown/Code not available
- Language:
- Russian
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