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Some of the centrality experiments indicate regime change and saturation in the behavior of characteristics of the secondary particles. It is observed as a critical phenomenon for hadron-nuclear, nuclear-nuclear interactions and…

Nuclear Experiment · Physics 2008-11-26 M. K. Suleymanov , E. U. Khan , K. Ahmed , Mahnaz Q. Haseeb , Farida Tahir , Y. H. Huseynaliyev

We explore the potential of an Electron Ion Collider to determine nuclear modifications of PDFs. We find that gluon shadowing can be accurately measured down to x=0.001, and discuss the possibility of detecting non--linear QCD effects with…

High Energy Physics - Phenomenology · Physics 2011-06-21 Alberto Accardi , Vadim Guzey , Juan Rojo

In relativistic nuclear collisions some of the important aspects to be addressed are the effects of the nuclear PDF and the gluon saturation. In the LHC the best way to address these questions is by means of pA collisions and in particular…

Nuclear Experiment · Physics 2018-05-30 Mauro R. Cosentino

We derive the medium-induced, coherent gluon radiation spectrum associated with the hard forward scattering of an energetic parton off a nucleus, in the saturation formalism and within the Gaussian approximation for the relevant correlators…

High Energy Physics - Phenomenology · Physics 2017-01-18 Stéphane Munier , Stéphane Peigné , Elena Petreska

We discuss a series of results aimed at bringing saturation physics and gluon tomography into an era of precision. In particular, the NLO treatment of diffractive: 1) exclusive dijet, 2) exclusive longitudinally polarized light vector meson…

High Energy Physics - Phenomenology · Physics 2024-08-20 Renaud Boussarie , Michael Fucilla , Andrey V. Grabovsky , Emilie Li , Lech Szymanowski , Samuel Wallon

The presented results are the first measurements at RHIC for direct $\gamma$-charged hadron azimuthal correlations in heavy ion collisions. We use these correlations to study the color charge density of the medium through the medium-induced…

Nuclear Experiment · Physics 2009-07-22 Ahmed M. Hamed

We will provide a review of some of the physics which can be addressed by studying fluctuations and correlations in heavy ion collisions. We will discuss Lattice QCD results on fluctuations and correlations and will put them into context…

Nuclear Theory · Physics 2008-10-15 Volker Koch

Lambda polarization can be measured through its self-analyzing weak decay, making it an ideal candidate for studying spin effects in high energy scatterings. In lepton-nucleon deeply inelastic scatterings (DIS), Lambda polarization…

Nuclear Experiment · Physics 2023-08-31 Zhaohuizi Ji , Xiaoyan Zhao , Aiqiang Guo , Qinghua Xu , Jinlong Zhang

The future electron-ion collider (EIC) will produce the first-ever high energy collisions between electrons and a wide range of nuclei, opening a new era in the study of cold nuclear matter. Quarks and gluons produced in these collisions…

High Energy Physics - Phenomenology · Physics 2025-10-03 Kyle Devereaux , Wenqing Fan , Weiyao Ke , Kyle Lee , Ian Moult

Heavy-ion collisions at the LHC provide the conditions to investigate regions of quark-gluon plasma that reach higher temperatures and that persist for longer periods of time compared to collisions at the Relativistic Heavy Ion Collider.…

Nuclear Theory · Physics 2021-08-04 Scott Pratt , Christopher Plumberg

The connection between multiparton interaction, diffractive processes and saturation effects is discussed. The relation of the rise of the gluon density at small longitudinal momentum fractions x with the occurrence of saturation,…

High Energy Physics - Phenomenology · Physics 2017-12-12 F. Hautmann , H. Jung

In this work, we investigate the feasibility of defining centrality in electron-ion collisions at the Electron-Ion Collider (EIC) by examining the correlation between the impact parameter and several observables, including total energy,…

High Energy Physics - Phenomenology · Physics 2025-03-10 Mariam Hegazy , Aliaa Rafaat , Niseem Magdy , Wenliang Li , Abhay Deshpande , A. M. H. Abdelhady , A. Y. Ellithi

Dihadron angular correlations in forward $pA$ collisions have been considered as one of the most sensitive observables to the gluon saturation effects. In general, both parton shower effects and saturation effects are responsible for the…

High Energy Physics - Phenomenology · Physics 2018-08-15 Anna Stasto , Shu-Yi Wei , Bo-Wen Xiao , Feng Yuan

Lepton scattering is an established ideal tool for studying inner structure of small particles such as nucleons as well as nuclei. As a future high energy nuclear physics project, an Electron-ion collider in China (EicC) has been proposed.…

Quark-antiquark pair (or dijet) production at the electron-ion collider (EIC) has been argued to be one of most important processes that allowing to access the Weizs\"acker-Williams (WW) gluon distributions at small $x$ limit. Within the…

High Energy Physics - Phenomenology · Physics 2022-01-05 Ye-Yin Zhao , Ming-Mei Xu , Li-Zhu Chen , Dong-Hai Zhang , Yuan-Fang Wu

During the 2008 run RHIC provided high luminosity in both p+p and d+Au collisions at $\sqrt{s_{NN}}= 200$ GeV. Electromagnetic calorimeter acceptance in STAR was enhanced by the new Forward Meson Spectrometer (FMS), and is now almost…

Nuclear Experiment · Physics 2019-08-13 Ermes Braidot

We concentrate on several relatively new aspects of the study of fast electron scattering by atoms and atom-like objects, namely endohedral atoms and fullerenes. We show that the corresponding cross sections, being expressed via so-called…

Atomic Physics · Physics 2007-05-23 M. Ya. Amusia

An unambiguous identification of glueballs in experiments will be of great significance, because their existence is an important test of QCD. The proposal, advanced here, is to experimentally search for glueballs as peaks in the invariant…

High Energy Physics - Phenomenology · Physics 2009-10-31 Probir Roy , K. Sridhar

Perturbative Quantum Chromodynamics (pQCD) predicts that the small-$x$ gluons in a hadron wavefunction should form a Color Glass Condensate (CGC), characterized by a saturation scale $Q_s (x, A)$ which is energy and atomic number dependent.…

High Energy Physics - Phenomenology · Physics 2009-01-07 M. S. Kugeratski , V. P. Goncalves , F. S. Navarra

Diffractive dijet production at the electron-ion collider (EIC) has been proposed to study the gluon Wigner distribution at small-$x$. We investigate the soft gluon radiation associated with the final state jets and an all order resummation…

High Energy Physics - Phenomenology · Physics 2020-01-15 Yoshitaka Hatta , Niklas Mueller , Takahiro Ueda , Feng Yuan