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We derive inclusive and diffractive forward-gluon production in the scattering of a $q\bar{q}$ dipole off an arbitrary target in the high-energy eikonal approximation, suitable to study the saturation regime. We show how the inclusive…

High Energy Physics - Phenomenology · Physics 2009-11-10 Cyrille Marquet

We derive expressions for the gluon production cross sections in the single diffractive proton-nucleus scattering and DIS processes in a quasi-classical approximation. The resulting cross sections include the effects of all multiple…

High Energy Physics - Phenomenology · Physics 2014-11-17 Yuri V. Kovchegov

Gluon production on two scattering centers is studied in the formalism of reggeized gluons. Different contributions to the inclusive cross-section are derived with the help of the Lipatov effective action. The AGK relations between these…

High Energy Physics - Phenomenology · Physics 2015-06-16 M. A. Braun , S. S. Pozdnyakov , M. Yu. Salykin , M. I. Vyazovsky

In this paper we demonstrate that the dense system of partons (gluons) can be produced in dilute-dilute system scattering, using the example of dipole-dipole collisions. This increase in density stems from the intensive gluon cascades that…

High Energy Physics - Phenomenology · Physics 2015-06-17 Eugene Levin

We give a simple quantum mechanical formulation of the eikonal propagation approximation, which has been heavily used in recent years in problems involving hadronic interactions at high energy. This provides a unified framework for several…

High Energy Physics - Phenomenology · Physics 2009-11-07 Alex Kovner , Urs Achim Wiedemann

In this paper we consider the process of diffraction dissociation in deep inelastic scattering producing a small mass. This process is analyzed by the calculation of $\bar q\, q$ and $\bar q\, q\, G$ production. We show that the small…

High Energy Physics - Phenomenology · Physics 2011-07-19 Errol Gotsman , Eugene Levin , Uri Maor

We recently proposed a QCD-Pomeron described by the exchange of two non-perturbative gluons characterized by a dynamically generated gluon mass. It is here shown that data on elastic scattering, exclusive $\rho$ production in deep inelastic…

High Energy Physics - Phenomenology · Physics 2011-07-19 M. B. Gay Ducati , F. Halzen , A. A. Natale

We present a perturbative QCD calculation of diffractive $D_s$ production in charged current deep inelastic scattering. In the two-gluon exchange model, we analyze the diffractive process $\nu N \to \mu^- N \Ds$, which may provide useful…

High Energy Physics - Phenomenology · Physics 2009-11-07 Zhongzhi Song , Kuang-Ta Chao

We propose a simple parametrization for the deep-inelastic diffractive cross section. It contains the contribution of $q\bar{q}$ production to both the longitudinal and the transverse diffractive structure functions, and of the production…

High Energy Physics - Phenomenology · Physics 2009-09-11 J. Bartels , J. Ellis , H. Kowalski , M. Wuesthoff

Inclusive cross-section for gluon production is calculated by the dispersion technique in the NLO in the perturbative QCD with a large number of colours. The found cross-section coincides with the one derived in the dipole picture. No trace…

High Energy Physics - Phenomenology · Physics 2011-02-09 M. A. Braun

In this paper we develop the DGLAP evolution for the system of produced gluons in the process of diffractive production in DIS, directly from the evolution equation in Color Glass Condensate approach. We are able to describe the available…

High Energy Physics - Phenomenology · Physics 2018-09-26 Carlos Contreras , Eugene Levin , Rodrigo Meneses , Irina Potashnikova

We calculate the cross section of a single inclusive gluon production in deep inelastic scattering at very high energies in the saturation regime, where the parton densities inside hadrons and nuclei are large and the evolution of structure…

High Energy Physics - Phenomenology · Physics 2009-11-07 Yuri V. Kovchegov , Kirill Tuchin

Using short distance QCD methods based on the operator product expansion, we calculate the $J/\psi$ photoproduction cross section in terms of the gluon distribution function of the nucleon. Comparing the result with data, we show that…

High Energy Physics - Phenomenology · Physics 2011-09-13 D. Kharzeev , H. Satz , A. Syamtomov , G. Zinovjev

We compute dijet production in Deep Inelastic Scattering at low $x$ in the dipole formalism at next-to-eikonal accuracy. We calculate the contributions induced by single photon exchange of either longitudinal or transverse polarization. We…

High Energy Physics - Phenomenology · Physics 2023-10-06 Tolga Altinoluk , Guillaume Beuf , Alina Czajka , Arantxa Tymowska

Using the QCD dipole picture of the BFKL pomeron, the gluon contribution to the cross-section for single diffractive dissociation in deep-inelastic high-energy scattering is calculated. The resulting contribution to the proton diffractive…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Bialas , R. Peschanski

The effects of multiple interactions in colliding particles (e.g. in nucleus-nucleus collisions) are modeled using the light-cone dipole approach. Guided by the abelian analogue of multi-photon interactions in the production of a pair of…

High Energy Physics - Phenomenology · Physics 2008-11-26 B. Z. Kopeliovich , Ivan Schmidt , A. V. Tarasov , O. O. Voskresenskaya

We investigate the close connection between the quantum phase space Wigner distribution of small-$x$ gluons and the color dipole scattering amplitude, and propose to study it experimentally in the hard diffractive dijet production at the…

High Energy Physics - Phenomenology · Physics 2016-05-25 Yoshitaka Hatta , Bo-Wen Xiao , Feng Yuan

We demonstrate that hard dijet production via coherent inelastic diffraction is a promising channel for probing gluon saturation at the Electron-Ion Collider. By $inelastic$ diffraction we mean a process in which the two hard jets - a…

High Energy Physics - Phenomenology · Physics 2022-06-01 E. Iancu , A. H. Mueller , D. N. Triantafyllopoulos

We show that the linearly polarized gluon distributions appear in the color dipole model as we derive the full cross sections of the DIS dijet production and the Drell-Yan dijet ($\gamma^*$ jet correlation) process. Together with the normal…

High Energy Physics - Phenomenology · Physics 2015-05-30 Fabio Dominguez , Jian-Wei Qiu , Bo-Wen Xiao , Feng Yuan

We determine the diffractive scattering amplitude of a color-dipole on a nucleon using a non-perturbative model of QCD which contains only parameters taken from low-energy physics. This allows to relate specific features of the confinement…

High Energy Physics - Phenomenology · Physics 2008-11-26 Michael Rueter , H. G. Dosch
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