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Related papers: Nonlinear effects and the behavior of total hadron…

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In the framework of eikonalized mini-jet model, contributions from gluon recombination effects are studied for the free proton in $pp$ and $\bar p p$ reactions. The nuclear configurational entropy is then used to calculate the main…

High Energy Physics - Phenomenology · Physics 2021-05-18 G. Karapetyan

The effects of the first nonlinear corrections to the DGLAP equations are studied in light of the HERA data. Saturation limits are determined in the DGLAP+GLRMQ approach for the free proton and for the Pb nucleus.

High Energy Physics - Phenomenology · Physics 2007-05-23 K. J. Eskola , H. Honkanen , V. J. Kolhinen , Jianwei Qiu , C. A. Salgado

We present a modification of the DGLAP improved saturation model with respect to the nonlinear correction (NLC). The GLR-MQ improved saturation model is considered by employing the parametrization of proton structure function due to the…

High Energy Physics - Phenomenology · Physics 2023-01-24 G. R. Boroun

We compute total and differential elastic cross sections of high-energy hadronic collisions in the loop-loop correlation model that provides a unified description of hadron-hadron, photon-hadron, and photon-photon reactions. The impact…

High Energy Physics - Phenomenology · Physics 2007-05-23 Arif I. Shoshi , Frank D. Steffen

In high energy proton-nucleus collisions, the gluon saturation effects from the nucleus are fully incorporated into the light-like Wilson lines. The gluon saturation effects from the proton, which are anticipated to be important either in…

High Energy Physics - Phenomenology · Physics 2022-02-16 Ming Li , Vladimir V. Skokov

We present a detailed numerical investigation of semi-inclusive forward di-hadron production in proton-nucleus collisions employing the Color Glass Condensate effective theory. We focus on the regime where di-hadrons are produced nearly…

High Energy Physics - Phenomenology · Physics 2025-12-29 Paul Caucal , Zhong-Bo Kang , Piotr Korcyl , Farid Salazar , Björn Schenke , Tomasz Stebel , Raju Venugopalan , Wenbin Zhao

A model for both proton and photon total cross-sections is presented and compared with data. The model is based on the eikonal representation, with QCD mini-jets to drive the rise and soft gluon kt-resummation into the Infrared region to…

High Energy Physics - Phenomenology · Physics 2010-01-27 R. M. Godbole , A. Grau , G. Pancheri , Y. N. Srivastava

We address here the problem of describing both the total and the elastic proton-proton cross-section, through the four outstanding features of hadron scattering: (i) the optical point; (ii) the forward peak, (iii) the dip and (iv) the…

High Energy Physics - Phenomenology · Physics 2014-04-01 Giulia Pancheri , Daniel A. Fagundes , A. Grau , O. Shekhovtsova , Yogendra N. Srivastava

We calculate inclusive photoproduction cross-sections for both proton and nuclei targets, using a saturation model derived from an approximate solution to the Balitsky-Kovchegov nonlinear evolution equation. This paper extends our…

High Energy Physics - Phenomenology · Physics 2011-07-19 J. Bartels , E. Gotsman , E. Levin , M. Lublinsky , U. Maor

We discuss total cross-sections within the context of the QCD calculable mini-jet model, highlighting its successes and failures. In particular we show its description of $\gamma \gamma \to hadrons$ and compare it with OPAL and L3 data. We…

High Energy Physics - Phenomenology · Physics 2009-11-07 Rohini M. Godbole , A. Grau , G. Pancheri

The nonlinear corrections to the Golec-Biernat Wusthoff (GBW) and Bartels- Golec- Kowalski (BGK) models, as discussed by Peredo-Hentschinski [M.A.Peredo and M.Hentschinski, Phys.Rev.D{109}, 014032 (2024)], are analyzed in terms of the gluon…

High Energy Physics - Phenomenology · Physics 2025-08-05 G. R. Boroun , B. Rezaei

The exclusive vector meson production cross section is one of the most promising observables to probe the high energy regime of the QCD dynamics. In particular, the squared momentum transfer ($t$) distributions are an important source of…

High Energy Physics - Phenomenology · Physics 2017-04-05 V. P. Goncalves , F. S. Navarra , D. Spiering

We present numerical studies of the leading non-linear corrections to the DGLAP evolution equations of parton distribution functions (PDFs) resulting from gluon recombination, which reduce the pace of evolution at small momentum fractions…

High Energy Physics - Phenomenology · Physics 2024-06-21 Pit Duwentäster , Vadim Guzey , Ilkka Helenius , Hannu Paukkunen

We compute the cross section for photons emitted from sea quarks in proton-nucleus collisions at collider energies. The computation is performed within the dilute-dense kinematics of the Color Glass Condensate (CGC) effective field theory.…

High Energy Physics - Phenomenology · Physics 2017-03-08 Sanjin Benic , Kenji Fukushima , Oscar Garcia-Montero , Raju Venugopalan

We make predictions for the t-differential cross section of exclusive vector meson production (EVMP) in electron-ion collisions, with the aim of comparing DGLAP evolution to CGC models. In the current picture for the high-energy nucleus,…

Nuclear Theory · Physics 2015-10-28 G. S. Jackson , W. A. Horowitz

We describe the taming effect induced by soft gluon $k_t$-resummation on the rapid rise of QCD mini-jet contributions to the total cross-sections.This results from an eikonal model in which the rise of the total cross-section is due to…

High Energy Physics - Phenomenology · Physics 2010-07-02 Giulia Pancheri , Agnes Grau , Rohini M. Godbole , Yogendra N. Srivastava

Considering the high-energy limit of the QCD gluon distribution inside a nucleus, we calculate the proton-nucleus total inelastic cross section using a simplified dipole model. We show that, if gluon saturation occurs in the nuclear surface…

High Energy Physics - Phenomenology · Physics 2014-11-20 L. Portugal , T. Kodama

We study the effect of absorptive corrections due to parton recombination on the parton distributions of the proton. A more precise version of the GLRMQ equations, which account for non-linear corrections to DGLAP evolution, is derived. An…

High Energy Physics - Phenomenology · Physics 2014-11-18 G. Watt , A. D. Martin , M. G. Ryskin

The forthcoming p+Pb run at the LHC will provide crucial in formation on the initial state effects of heavy ion collisions and on the gluon saturation phenomena. In turn, most of the saturation inspired phenomenology in heavy ion collisions…

High Energy Physics - Phenomenology · Physics 2012-08-31 Paloma Quiroga-Arias , Javier L. Albacete , J. Guilherme Milhano , Juan Rojo

In this paper we estimate the influence of nonlinear gluon evolution in the production of prompt photons at the LHC pp collider. We assume the validity of collinear factorization and consider the EHKQS parton distributions, which are…

High Energy Physics - Phenomenology · Physics 2008-11-26 C. Brenner Mariotto , V. P. Goncalves
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