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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2020, Volume 111, Issue 1, Pages 3–9
DOI: https://doi.org/10.31857/S0370274X20010014 (Mi jetpl6073) 		 
This article is cited in 1 scientific paper (total in 1 paper)

FIELDS, PARTICLES, AND NUCLEI

Higher-order contributions to qcd amplitudes in regge kinematics (scientific summary)

V. S. Fadinab

a Budker Institute of Nuclear Physics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630090 Russia
b Novosibirsk State University, Novosibirsk, 630090 Russia
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DOI: https://doi.org/10.31857/S0370274X20010014
Abstract: The famous Balitsky-Fadin-Kuraev-Lipatov (BFKL) equation was derived using the hypothesis that amplitudes of non-abelian gauge theories with the adjoint representation of the gauge group in cross-channels are given by the Reggeized gauge boson contributions. The hypothesis is true in the leading logarithmic approximation, wherein the equation was originally derived, and in the next-to-leading one. However, in the next-to-next-to-leading logarithmic approximation this is not so, since in this approximation the Regge cuts begin to contribute. Calculations of their contributions to elastic scattering amplitudes in quantum chromodynamics and their role in derivation of the BFKL equation are discussed.
Funding agency Grant number
Ministry of Science and Higher Education of the Russian Federation
Russian Foundation for Basic Research 19-02-00690
This work was supported in part by the Ministry of Science and Higher Education of the Russian Federation and by the Russian Foundation for Basic Research, project no. 19-02-00690.
Received: 13.11.2019
Revised: 13.11.2019
Accepted: 14.11.2019
English version:
Journal of Experimental and Theoretical Physics Letters, 2020, Volume 111, Issue 1, Pages 1–7
DOI: https://doi.org/10.1134/S0021364020010026
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: V. S. Fadin, “Higher-order contributions to qcd amplitudes in regge kinematics (scientific summary)”, Pis'ma v Zh. Èksper. Teoret. Fiz., 111:1 (2020), 3–9; JETP Letters, 111:1 (2020), 1–7
Citation in format AMSBIB
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