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We study the properties of the colour-singlet compound states of reggeized gluons in multi-colour QCD. Applying the methods of integrable models, we calculate their spectrum and discuss the application of the obtained results to high-energy…

High Energy Physics - Phenomenology · Physics 2007-05-23 Jan Kotanski

We study the properties of the colour-singlet compound states of reggeized gluons in multi-colour QCD using their relation with noncompact Heisenberg spin magnets. Applying the methods of integrable models, we calculate their spectrum and…

High Energy Physics - Phenomenology · Physics 2009-11-07 G. P. Korchemsky , J. Kotanski , A. N. Manashov

Solving the BKP equation and comparing with the structure function of hadron for deep inelastic scattering processes we are able to find a relation between reggeized N-gluon states and anomalous dimensions of QCD. To this end we perform…

High Energy Physics - Phenomenology · Physics 2007-05-23 Jan Kotanski

Deep-inelastic diffractive scaling violations have provided fundamental insight into the QCD pomeron, suggesting a single gluon inner structure rather than that of a perturbative two-gluon bound state. This paper derives a high-energy,…

High Energy Physics - Phenomenology · Physics 2009-10-30 Alan R. White

The Regge limit in perturbative QCD for processes as DIS (low x) and photon or onia-particles scattering is considered. In the first part a phenomenological approach for the inclusion of the running coupling, preserving the gluon…

High Energy Physics - Phenomenology · Physics 2007-05-23 G. P. Vacca

The Regge behaviour of the scattering amplitudes in perturbative QCD is governed in the generalized leading logarithmic approximation by the contribution of the color--singlet compound states of Reggeized gluons. The interaction between…

High Energy Physics - Theory · Physics 2011-05-05 G. P. Korchemsky

We present a complete description of the spectrum of compound states of reggeized gluons in QCD in multi-colour limit. The analysis is based on the identification of these states as ground states of noncompact Heisenberg SL(2,C) spin…

High Energy Physics - Theory · Physics 2009-11-07 S. E. Derkachov , G. P. Korchemsky , J. Kotanski , A. N. Manashov

We discuss the odderon in the QCD and analyze the effects of running coupling introduced in a particular way to preserve the reggeization of the gluon within the leading logarithmic description. This idea is also applied to a family of BKP…

High Energy Physics - Theory · Physics 2020-01-16 M. A. Braun , G. P. Vacca

The reggeized gluon states, which are also called Reggeons, appear in the scattering amplitude of hadrons in Regge limit. The wave-function of Reggeons satisfy the BKP equation, which in multi-colour limit of Quantum Chromodynamics is…

High Energy Physics - Theory · Physics 2007-05-23 Jan Kotanski

Deep-inelastic diffractive scaling violations have provided fundamental insight into the QCD pomeron, suggesting a single gluon inner structure rather than that of a perturbative two-gluon bound state. This talk outlines a derivation of a…

High Energy Physics - Phenomenology · Physics 2007-05-23 Alan. R. White

We study the spectrum of the reggeized gluon compound states in high-energy QCD. The energy of the states depends on the total set of quantum numbers whose values are constrained by the quantization conditions. To establish their explicit…

High Energy Physics - Phenomenology · Physics 2007-05-23 G. P. Korchemsky

The amplitude for 4 interacting reggeized gluons is studied in the high-colour limit. The leading order amplitude is explicitly shown to reduce to a pair of reggeons, i.e to a single BFKL pomeron. The next-to-leading order diffractive…

High Energy Physics - Phenomenology · Physics 2011-09-13 M. Braun

We study integrations over light-cone momenta in the high energy effective action of QCD. After a review of the effective action, we arrive on a regularization mechanism from matching with QCD diagrams, which we apply to a re-derivation of…

High Energy Physics - Phenomenology · Physics 2009-08-19 M. Hentschinski

The equivalence is found between high-energy QCD in the generalized leading logarithmic approximation and the one-dimensional Heisenberg magnet. According to Regge theory, the high energy asymptotics of hadronic scattering amplitudes are…

High Energy Physics - Phenomenology · Physics 2011-05-05 G. P. Korchemsky

We study QCD in the regime of high parton density arising in hadronic collisions at large center-of-mass energy. The n-gluon amplitudes of the generalized leading logarithmic approximation are investigated. We find identities relating…

High Energy Physics - Phenomenology · Physics 2010-02-03 Carlo Ewerz

We discuss the stringy properties of high-energy QCD using its hidden integrability in the Regge limit and on the light-cone. It is shown that multi-colour QCD in the Regge limit belongs to the same universality class as superconformal…

High Energy Physics - Theory · Physics 2014-11-18 A. Gorsky , I. I. Kogan , G. Korchemsky

The scattering amplitude of hadrons in high energy Regge limit can be rewritten in terms of reggeized gluons, i.e. Reggeons. We consider three-Reggeon states that possess either C=+1 or C=-1 parity. In this work using Janik-Wosiek method…

High Energy Physics - Theory · Physics 2007-05-23 Jan Kotanski

We study the properties of color-singlet Reggeon compound states in multicolor high-energy QCD in four dimensions. Their spectrum is governed by completely integrable (1+1)-dimensional effective QCD Hamiltonian whose diagonalization within…

High Energy Physics - Theory · Physics 2009-10-30 G. P. Korchemsky

We study the asymptotic solutions of the Schr\"odinger equation for the color-singlet reggeon compound states in multi-color QCD. We show that in the leading order of asymptotic expansion, quasiclassical reggeon trajectories have a form of…

High Energy Physics - Theory · Physics 2009-10-30 G. P. Korchemsky , I. M. Krichever

The duality symmetry of the hamiltonian and integrals of motion for reggeon interactions in the multi-colour QCD is formulated as an integral equation for the wave function of compound states of reggeized gluons, which together with the…

High Energy Physics - Phenomenology · Physics 2009-10-31 L. N. Lipatov
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