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Related papers: Nuclear DVCS within the high energy QCD color dipo…

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This short paper is an attempt to describe a theorist's view of the goals of relativistic heavy ion program which has just entered the collider era. These goals are centered around understanding the properties and the critical behavior of…

Nuclear Theory · Physics 2009-11-07 D. Kharzeev

Decoherence-free subspaces (DFS) in systems of dipole-dipole interacting multi-level atoms are investigated theoretically. It is shown that the collective state space of two dipole-dipole interacting four-level atoms contains a…

Quantum Physics · Physics 2009-11-13 M. Kiffner , J. Evers , C. H. Keitel

In this work we investigate the coherent photoproduction of psi(1S), psi(2S) and Upsilon (1S) states in the proton-nucleus collisions in the LHC energies. Predictions for the rapidity distributions are presented using the color dipole…

High Energy Physics - Phenomenology · Physics 2014-06-19 G. Sampaio dos Santos , M. V. T. Machado

The coupling of the high-lying dipole mode to the low-lying quadrupole modes for the case of deformed gamma-unstable nuclei is studied. Results from the geometrical model are compared to those obtained within the dipole boson model.…

Nuclear Theory · Physics 2009-11-06 C. E. Alonso , M. V. Andres , J. M. Arias , E. G. Lanza , A. Vitturi

We calculate the photoproduction of heavy quarks in proton-proton collisions at RHIC, Tevatron and LHC energies. The integrated cross section and the rapidity distributions for open charm and bottom production are computed employing sound…

High Energy Physics - Phenomenology · Physics 2011-01-25 V. P. Goncalves , M. V. T. Machado

These lectures stress the theoretical elements that underlie a wide range of phenomenological studies of high-energy QCD, which include both soft and hard processes. After a brief introduction to the basics of QCD, various aspects of…

High Energy Physics - Phenomenology · Physics 2010-02-22 B. Z. Kopeliovich , A. H. Rezaeian

We calculate cross sections for inclusive dijet photoproduction in electron-nucleus scattering in the kinematics of the future EIC and the possible LHeC, HE-LHeC, and the FCC using next-to-leading order (NLO) perturbative QCD and nCTEQ15…

High Energy Physics - Phenomenology · Physics 2021-01-04 V. Guzey , M. Klasen

Introduction Theory of electromagnetic excitation and dissociation (Inelastic scattering at high energies: one-photon exchange, semiclassical approach and Glauber theory; Higher order electromagnetic effects, small xi-approximation)…

Nuclear Theory · Physics 2016-09-08 G. Baur , S. Typel , H. H. Wolter

The double-differential cross sections (DDCS) for $n + ^{19}$F reaction is of critical importance for elucidating the mechanisms of nuclear reaction processes, advancing applications in nuclear engineering and technology, and supporting…

Nuclear Theory · Physics 2025-09-22 Hanmei Cao , Fanglei Zou , Xiaojun Sun , Jingshang Zhang

In the perturbative QCD with $N_c\to\infty$ the amplitude for the collision of two heavy nuclei is expressed via dipole densities in the nuclei. Coupled equations for these densities are derived in the configuration space. The equations are…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. A. Braun

We establish the correspondence between two well-known frameworks for QCD multiple scattering in nuclear media: the Color Glass Condensate (CGC) and the High-Twist (HT) expansion formalism. We argue that a consistent matching between both…

High Energy Physics - Phenomenology · Physics 2025-07-22 Yu Fu , Zhong-Bo Kang , Farid Salazar , Xin-Nian Wang , Hongxi Xing

In the high-energy limit, perturbative calculations in QCD are conveniently done using the dipole picture which factorizes the scattering amplitude into a perturbative part and the nonperturbative scattering off the nuclear target,…

High Energy Physics - Phenomenology · Physics 2026-02-12 Jani Penttala

We present the first evaluation of color dipole cross section from experimental data on diffractive photo- and electroproduction of vector mesons. The dipole-size and energy dependence of the found dipole cross section is consistent with…

High Energy Physics - Phenomenology · Physics 2016-08-15 J. Nemchik , N. N. Nikolaev , E. Predazzi , B. G. Zakharov

We study the hard color dipole-nucleon cross section within perturbative QCD and discuss its relation to observables in diffractive leptoproduction of heavy quarkonium. The dipole cross section calculated with the unintegrated gluon density…

High Energy Physics - Phenomenology · Physics 2009-10-31 Katsuhiko Suzuki , Kazunori Itakura

Selected applications of perturbative Quantumchromodynamics (QCD) to predictions of the Standard Model for processes at high energy colliders are reviewed with emphasis on past successes and future problems. This is a personal retrospective…

High Energy Physics - Phenomenology · Physics 2008-11-26 Richard J. Gonsalves

We examine the phase diagram of hadronic matter when the number of colours $N_c$, as well as temperature and density, are varied. We show that in this regime a new percolation phase transition is possible, and examine the implications of…

High Energy Physics - Phenomenology · Physics 2012-11-22 Stefano Lottini , Giorgio Torrieri

We present a new technique to calculate the cross-section for diffractive vector meson production and DVCS in electron-ion collisions based on the dipole model. The measurement of these processes can provide valuable information on…

High Energy Physics - Phenomenology · Physics 2013-02-28 Tobias Toll , Thomas Ullrich

We present an overview of the status of the studies related to the phase diagram of strong interactions through high-energy nuclear collisions. We discuss both the theoretical and experimental status of establishing the various QCD phase…

Nuclear Experiment · Physics 2013-08-16 Bedangadas Mohanty

The high density of scattered partons predicted in nuclear collisions at very high energy makes color screening effects significant. We explain how these screening mechanisms may suppress nonperturbative, soft QCD processes, permitting a…

Nuclear Theory · Physics 2007-05-23 Kari J. Eskola , Berndt Müller , Xin-Nian Wang

We discuss real time simulations of high energy nuclear collisions in a classical effective theory of QCD at small x. At high transverse momenta, our results match the lowest order predictions of pQCD based mini-jet calculations. We discuss…

High Energy Physics - Phenomenology · Physics 2007-05-23 Alex Krasnitz , Raju Venugopalan