Renormalizability of Reggeon field theory taking into account thresholds and ''mass'' terms at D = 2
Journal Article
·
· Sov. J. Nucl. Phys. (Engl. Transl.); (United States)
OSTI ID:5910536
It is shown that the inclusion of the Reggeon production thresholds xi/sub 0/ = 1n(M/sup 2//s/sub 0/)roughly-equal2 in Reggeon field theory causes the epsilon-c expansion to become analytic at epsilon-c = 2 and it becomes possible to simultaneously take epsilon-c ..-->.. 2 and E ..-->.. 0, which corresponds to the physical dimensionality of space in the limit of asymptotic energies. The introduction of thresholds makes it easier to carry out perturbative calculations at D = 2 by removing the ultraviolet divergences of the theory and is useful for a smooth joining of the perturbative and asymptotic solutions.
- Research Organization:
- Erevan Physics Institute
- OSTI ID:
- 5910536
- Journal Information:
- Sov. J. Nucl. Phys. (Engl. Transl.); (United States), Journal Name: Sov. J. Nucl. Phys. (Engl. Transl.); (United States) Vol. 36:6; ISSN SJNCA
- Country of Publication:
- United States
- Language:
- English
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