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Related papers: The Search for Gluon Saturation in pA Collisions

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The study of azimuthal correlations in particle production at forward rapidities in proton-nucleus collisions provides direct information about high gluon density effects, like gluon saturation, in the nuclear wavefunction. In the…

High Energy Physics - Phenomenology · Physics 2015-06-16 Edmond Iancu , Julien Laidet

We discuss the evidence for the presence of QCD saturation effects in the data collected in d+Au collisions at RHIC. In particular we focus our analysis on forward hadron yields and azimuthal correlations. Approaches alternative to the CGC…

High Energy Physics - Phenomenology · Physics 2011-03-17 Javier L. Albacete , Cyrille Marquet

We derive forward inclusive dijet production in the scattering of a dilute hadron off an arbitrary dense target, whose partons with small fraction of momentum x are described by a Color Glass Condensate. Both multiple scattering and…

High Energy Physics - Phenomenology · Physics 2008-11-26 Cyrille Marquet

We study single inclusive forward hadron production in high energy proton-nucleus collisions at next-to-leading order in the Color Glass Condensate framework. Recent studies have shown that the next-to-leading order corrections to this…

High Energy Physics - Phenomenology · Physics 2016-07-05 B. Ducloué , T. Lappi , Y. Zhu

We compute the isolated photon production in association with a charged hadron at mid rapidity in $pp$ and $pA$ based on the Color Glass Condensate (CGC) framework of high energy QCD where, for the first time, we incorporate the Sudakov…

High Energy Physics - Phenomenology · Physics 2022-07-05 Sanjin Benić , Oscar Garcia-Montero , Anton Perkov

We construct a theoretical framework to match the formulas for forward inclusive hadron productions in pA collisions in the small-x saturation formalism and collinear factorization. The small-x calculation can be viewed as a power series in…

High Energy Physics - Phenomenology · Physics 2014-07-30 Anna M. Staśto , Bo-Wen Xiao , Feng Yuan , David Zaslavsky

High order calculation at semi-hard scale is very important, but a satisfactory calculation framework is still missing. We propose a systematic method to regularize rapidity divergences in the CGC factorization, which makes higher order…

Nuclear Theory · Physics 2019-10-31 Hao-Yu Liu , Yan-Qing Ma , Kuang-Ta Chao

The leading order single inclusive soft gluon production in high energy proton-nucleus (pA) collisions has been studied by various approaches for more than two decades. The first correction due to the gluon saturation in proton was…

High Energy Physics - Phenomenology · Physics 2021-07-27 Ming Li

Prompt photon production in hadronic collisions at the RHIC and the LHC energies is investigated within the QCD color dipole approach. Predictions for the nuclear modification factor in $pA$ collisions are evaluated based on parton…

High Energy Physics - Phenomenology · Physics 2020-11-11 G. Sampaio dos Santos , G. Gil da Silveira , M. V. T. Machado

The upcoming p+Pb run at the LHC will probe the nuclear gluon distribution at very small Bjorken x (from $x \sim 10^{-4}$ at mid-rapidity down to $x \sim 10^{-6}$ in the proton fragmentation region) and will allow to test approaches based…

High Energy Physics - Phenomenology · Physics 2012-10-23 Adrian Dumitru , Dmitri E. Kharzeev , Eugene M. Levin , Yasushi Nara

We investigate hadrons and direct photon production in pp collisions at the LHC energy within the color-dipole approach. We show that greatest sensitivity to gluon saturation effects is reached at very forward rapidities in pp collisions at…

High Energy Physics - Phenomenology · Physics 2010-02-02 Amir H. Rezaeian

In this contribution we reconsider the calculation at next-to-leading order of forward inclusive single hadron production in $pA$ collisions within the hybrid approach. We conclude that the proper framework to compute this cross section…

High Energy Physics - Phenomenology · Physics 2023-08-04 Tolga Altinoluk , Néstor Armesto , Alexander Kovner , Michael Lublinsky

Unintegrated gluon distributions sensitive to the transverse spatial distribution of gluons in the proton are extracted from data on exclusive and diffractive final states at HERA in the dipole approach. These unintegrated gluon…

High Energy Physics - Phenomenology · Physics 2015-03-17 Prithwish Tribedy , Raju Venugopalan

We study saturation effects in the production of forward dijets in proton-lead collisions at the Large Hadron Collider, using the framework of High Energy Factorization. Such configurations, with both jets produced in the forward direction,…

High Energy Physics - Phenomenology · Physics 2014-06-19 A. van Hameren , P. Kotko , K. Kutak , C. Marquet , S. Sapeta

We study saturation effects in the production of dijets in p-p and p-Pb collisions using the framework of high energy factorization. We focus on central-forward jet configurations, which allow for probing gluon density at low longitudinal…

High Energy Physics - Phenomenology · Physics 2013-05-30 Krzysztof Kutak , Sebastian Sapeta

Collisions between hadronic systems at relativistic energies provide a window on the small-x gluon distributions of fast moving nuclei. It has been predicted that gluon saturation effects will manifest themselves as a suppression in the…

Nuclear Experiment · Physics 2010-12-13 Selemon Bekele

We investigate hadrons and direct photon production in pp and pA collisions at the energies of RHIC and LHC within the color-dipole approach employing various saturation models. We show that greatest sensitivity to saturation effects is…

High Energy Physics - Phenomenology · Physics 2010-06-23 Amir H. Rezaeian , Andreas Schaefer

We present the first fully consistent NLO calculation of the single-inclusive forward hadron production in proton-nucleus (pA) collisions under the color glass condensate (CGC) framework. In the dilute-dense limit, the NLO cross-section can…

High Energy Physics - Phenomenology · Physics 2023-07-12 Heikki Mäntysaari , Yossathorn Tawabutr

We investigate possible signatures of gluon saturation using forward $p+A \to j+j+X$ di-jet production processes at the Large Hadron Collider. In the forward rapidity region, this is a highly asymmetric process where partons with large…

High Energy Physics - Phenomenology · Physics 2023-12-21 F. Deganutti , C. Royon , S. Schlichting

We review recent progress on the calculations on the inclusive forward hadron production within the saturation formalism. After introducing the concept of perturbative parton saturation and nonlinear evolution we discuss the formalism for…

High Energy Physics - Phenomenology · Physics 2016-09-21 Anna M. Stasto , David Zaslavsky