Fine structure of spectrum of twist-three operators in QCD

Belitsky, A. V. (1999) Fine structure of spectrum of twist-three operators in QCD. PHYSICS LETTERS B, 453 (1-2). pp. 59-72. ISSN 0370-2693,

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Abstract

We unravel the structure of the spectrum of the anomalous dimensions of the quark-gluon twist-3 operators which are responsible for the multiparton correlations in hadrons and enter as a leading contribution to several physical cross sections. The method of analysis is based on the recent finding of a non-trivial integral of motion for the corresponding Hamiltonian problem in multicolour limit which results into exact integrability of the three-particle system. Quasiclassical expansion is used for solving the problem. We address the chiral-odd sector as a case of study. (C) 1999 Elsevier Science B.V. All rights reserved.

Item Type: Article
Uncontrolled Keywords: HIGH-ENERGY QCD; CONFORMAL OPERATORS; EVOLUTION-EQUATIONS; Q(2) EVOLUTION; DISTRIBUTIONS; H(L)(X,Q(2)); CONSTRAINTS; POMERON; twist-three operators; evolution; three-particle problem; integrability; spectrum of eigenvalues
Subjects: 500 Science > 530 Physics
Divisions: Physics > Institute of Theroretical Physics
Depositing User: Dr. Gernot Deinzer
Date Deposited: 07 Nov 2022 09:07
Last Modified: 07 Nov 2022 09:07
URI: https://pred.uni-regensburg.de/id/eprint/48313

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