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We review the predictions of the theory of Color Glass Condensate for gluon production cross section in p(d)A collisions. We demonstrate that at moderate energies, when the gluon production cross section can be calculated in the framework…

High Energy Physics - Phenomenology · Physics 2010-11-30 Dmitri Kharzeev , Yuri V. Kovchegov , Kirill Tuchin

In this paper we propose and validate a multiscale model for the description of particle diffusion in presence of trapping boundaries. We start from a drift-diffusion equation in which the drift term describes the effect of bubble traps,…

Numerical Analysis · Mathematics 2023-07-11 Clarissa Astuto , Antonio Raudino , Giovanni Russo

We discuss the experimental photoemission and inverse photoemission of early transition metal oxides, in the light of the dynamical mean field theory of correlated electrons which becomes exact in the limit of infinite dimensions. We argue…

Condensed Matter · Physics 2015-06-25 H. Kajueter , G. Kotliar , D. D. Sarma , S. Barman

The nonlinear Balitsky-Kovchegov equation at small x is solved numerically, incorporating impact parameter dependence. Confinement is modeled by including effective gluon mass in the dipole evolution kernel, which regulates the splitting of…

High Energy Physics - Phenomenology · Physics 2015-05-28 Jeffrey Berger , Anna M. Stasto

We show that the colour glass condensate dipole model of Iancu, Itakura and Munier, improved to include the impact parameter dependence, gives a good fit to the total gamma* p cross section measured at HERA if the anomalous dimension at the…

High Energy Physics - Phenomenology · Physics 2008-11-26 G. Watt , H. Kowalski

The Impact-Parameter dependent Saturation Model (IP-Sat) is a simple dipole model that incorporates key features of the physics of gluon saturation and matches smoothly to the perturbative QCD dipole expression at large Q^2 for a given x.…

High Energy Physics - Phenomenology · Physics 2013-02-04 Amir H. Rezaeian , Marat Siddikov , Merijn Van de Klundert , Raju Venugopalan

We give a brief representation of the theoretical results from the color dipole picture, covering the total photoabsorption cross section, high-energy $J/\psi$ photoproduction with respect to recent experimental data from the LHCb…

High Energy Physics - Phenomenology · Physics 2017-04-05 Dieter Schildknecht

We consider the nuclear shadowing in deep-inelastic scattering corresponding to kinematic regions accessible by future experiments at electron-ion colliders. The gluon distribution at small $x$ is obtained using an improved dipole model…

Nuclear Theory · Physics 2024-11-25 G. R. Boroun , B. Rezaei

We study a strong suppression of the relative production rate (d-Au)/(p-p) for inclusive high-pT hadrons of different species at large forward rapidities (large Feynman xF). The model predictions calculated in the light-cone dipole approach…

High Energy Physics - Phenomenology · Physics 2008-11-26 J. Nemchik , V. Petracek , I. K. Potashnikova , M. Sumbera

We summarize the lessons learned from studies of hard scattering processes in high-energy electron-proton collisions at HERA and antiproton-proton collisions at the Tevatron, with the aim of predicting new strong interaction phenomena…

High Energy Physics - Phenomenology · Physics 2014-11-18 L. Frankfurt , M. Strikman , C. Weiss

In this paper we extend the color dipole formalism to the study of exclusive processes associated with a leading neutron in $ep$ collisions at high energies. The exclusive $\rho$, $\phi$ and $J/\Psi$ production, as well as the Deeply…

High Energy Physics - Phenomenology · Physics 2016-04-13 V. P. Goncalves , F. S. Navarra , D. Spiering

We introduce a saturation model for photon-photon interactions, based on a QCD dipole picture of high energy scattering. The two-dipole cross-section is assumed to satisfy the saturation property. This pomeron-like contribution is…

High Energy Physics - Phenomenology · Physics 2007-05-23 N. Timneanu , J. Kwiecinski , L. Motyka

We present a detailed comparison of a variety of predictions for diffractive light vector meson production with the data collected at the HERA collider. All our calculations are performed within a dipole model framework and make use of…

High Energy Physics - Phenomenology · Physics 2008-11-26 J. R. Forshaw , R. Sandapen , G. Shaw

In this work we use an eikonalized minijet model where the effects of the first nonlinear corrections to the DGLAP equations are taken into account. The contributions coming from gluon recombination effects are included in the DGLAP+GLRMQ…

High Energy Physics - Phenomenology · Physics 2013-12-05 A. V. Giannini , F. O. Durães

We show that the HERA data for the inclusive structure function F_2(x,Q^2) for x < 0.01 and 0.045 < Q^2 < 45 GeV^2 can be well described within the color dipole picture, with a simple analytic expression for the dipole-proton scattering…

High Energy Physics - Phenomenology · Physics 2008-11-26 E. Iancu , K. Itakura , S. Munier

We review the theoretical interpretation of deep-inelastic electron-proton scattering at low values of the Bjorken variable $x \simeq Q^2/W^2 \lsim 0.1$. The process proceeds via the interaction of quark-antiquark $(q \bar q)$ color-dipole…

High Energy Physics - Phenomenology · Physics 2012-10-03 Dieter Schildknecht

By studying the color structure of multi-particle production processes in p+A-type (dilute-dense) collisions, we find that higher-point functions beyond typical dipoles and quadrupoles, e.g., sextupoles, octupoles, etc., naturally appear in…

High Energy Physics - Phenomenology · Physics 2013-02-27 Fabio Dominguez , Cyrille Marquet , Anna M. Stasto , Bo-Wen Xiao

In this paper we perform a numerical study of the tranverse expansion of hadronic scattering amplitudes in the dipole picture of high energy QCD. We go beyond the mean field approximation by including fluctuations and also wave function…

High Energy Physics - Phenomenology · Physics 2008-11-26 Emil Avsar

QCD coherence effects in initial state radiation at small x in deep inelastic scattering in HERA kinematics are studied with the help of the Monte Carlo model SMALLX. Theoretical assumptions based on the CCFM evolution equation are reviewed…

High Energy Physics - Phenomenology · Physics 2010-03-25 K. Golec-Biernat , L. Goerlich , J. Turnau

The dilepton production is investigated in proton-nucleus collisions in the forward region using the Color Glass Condensate approach. The transverse momentum distribution ($p_T$), more precisely the low $p_T$ region, where the saturation…

High Energy Physics - Phenomenology · Physics 2010-11-30 M. A. Betemps , M. B. Gay Ducati
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