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Related papers: Event-By-Event Initial Conditions for Heavy Ion Co…

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A framework combining Yang-Mills dynamics of the pre-equilibrium glasma with relativistic viscous hydrodynamic evolution of the quark-gluon plasma and hadron gas phases is presented. Event-by-event fluctuations of nucleon positions and…

High Energy Physics - Phenomenology · Physics 2015-06-11 Charles Gale , Sangyong Jeon , Bjoern Schenke , Prithwish Tribedy , Raju Venugopalan

We calculate the classical gluon field created at early times in collisions of large nuclei at high energies. We find that the field is dominated by the longitudinal chromoelectric and chromomagnetic components. We estimate the initial…

Nuclear Theory · Physics 2007-05-23 R. J. Fries , J. I. Kapusta , Y. Li

Collective spin phenomena in the final states of heavy-ion collisions are typically understood to originate from vorticity and shear in the quark-gluon plasma. Here, we ask whether spin could already be present in the initial condition of…

Nuclear Theory · Physics 2025-10-01 Giuliano Giacalone , Enrico Speranza

We present an extended version of a recently proposed semi-holographic model for heavy-ion collisions, which includes self-consistent couplings between the Yang-Mills fields of the Color Glass Condensate framework and an infrared AdS/CFT…

High Energy Physics - Theory · Physics 2016-05-23 Ayan Mukhopadhyay , Florian Preis , Anton Rebhan , Stefan A. Stricker

The the initial stage of a relativistic heavy ion collision can be described by a classical color field configuration known as the Glasma. The production of quark pairs from this background field is then computed nonperturbatively by…

High Energy Physics - Phenomenology · Physics 2007-05-23 T. Lappi

To achieve an understanding of the thermalization of a quark-gluon plasma, starting from QCD without using model assumptions, is a formidable task. We study the early stage dynamics of a relativistic heavy ion collision in the framework of…

High Energy Physics - Phenomenology · Physics 2016-05-31 Maximilian Attems , Owe Philipsen , Christian Schäfer , Björn Wagenbach , Savvas Zafeiropoulos

A current goal of relativistic heavy ion collisions experiments is the search for a Color Glass Condensate as the limiting state of QCD matter at very high density. In viscous hydrodynamics simulations, a standard Glauber initial condition…

Nuclear Theory · Physics 2015-06-15 M. Ruggieri , F. Scardina , S. Plumari , V. Greco

This paper is a slightly modified version of the introductory part of a doctoral dissertation also containing the articles hep-ph/0303076, hep-ph/0409328 and hep-ph/0409058. The paper focuses on the calculation of particle production in a…

High Energy Physics - Phenomenology · Physics 2007-05-23 T. Lappi

We present a novel technique to incorporate precision calculations from quantum chromodynamics into fully differential particle-level Monte-Carlo simulations. By minimizing an information-theoretic quantity subject to constraints, our…

High Energy Physics - Phenomenology · Physics 2025-09-19 Benoît Assi , Stefan Höche , Kyle Lee , Jesse Thaler

We use a hybrid model which relies on QCD effective kinetic theory -- K\oMP\oST -- to dynamically bridge the gap between IP-Glasma initial states and viscous hydrodynamics, for the theoretical interpretation of heavy-ion collision results.…

High Energy Physics - Phenomenology · Physics 2021-02-03 Charles Gale , Jean-François Paquet , Björn Schenke , Chun Shen

The Color Glass Condensate (CGC) predicts the form of the nuclear wavefunction in QCD at very small x. Using this, we compute the wavefunction for the collision of two nuclei, infinitesimally in the forward light cone. We show that the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Kenji Fukushima , Francois Gelis , Larry McLerran

We report on recent progress concerning theoretical description of event-by-event fluctuations in heavy-ion collisions. Specifically we discuss a new Cooper-Frye particlization routine -- the subensemble sampler -- which is designed to…

Nuclear Theory · Physics 2021-04-21 Volker Koch , Volodymyr Vovchenko

The initial temperature $T_{i}$, energy density $\varepsilon_{i}$, and formation time $\tau_{i}$ of the initial state of the QGP formed in the heavy ion collisions at RHIC and LHC energies are determined using the data driven Color String…

Nuclear Experiment · Physics 2015-06-11 R. P. Scharenberg

In heavy-ion collisions the electromagnetic field exists before the hot nuclear matter emergence. Requiring the field continuity we compute it in the central rapidity region by taking into account the electromagnetic response of the Quark…

Nuclear Theory · Physics 2021-10-04 Evan Stewart , Kirill Tuchin

Single-particle radiative mechanism of $\gamma$ emission embedded into the pre-equilibrium exciton model is used to calculate the $\gamma$ emission from a decay of $^{160}$Er$^{*}$ created in two different ways. The initial stage of a…

Nuclear Theory · Physics 2007-05-23 E. Betak

The dynamics of gluons and quarks in a relativistic nuclear collision are described, within the framework of a classical mean-field transport theory, by the coupled equations for the Yang-Mills field and a collection of colored point…

Nuclear Theory · Physics 2015-06-26 W. Poeschl , B. Mueller

In this thesis, I show my Ph.D. work on event-by-event hydrodynamic simulations for relativistic heavy-ion collision. I show that event-by-event hydrodynamic simulations have become an indispensable tool for studying relativistic heavy-ion…

Nuclear Theory · Physics 2013-08-15 Zhi Qiu

The ultimate aim of high energy heavy ion collisions is to study quark deconfinement and the quark-gluon plasma predicted by quantum chromodynamics. This requires the identification of observables calculable in QCD and measurable in heavy…

High Energy Physics - Phenomenology · Physics 2015-06-17 Helmut Satz

Starting from a Color Glass Condensate (CGC) framework, based on a running-coupling improved $k_T$-factorized formula, we calculate bulk observables in several heavy-ion collision systems. This is done in two ways: first we calculate the…

Nuclear Theory · Physics 2019-08-07 Andre V. Giannini , Frédérique Grassi , Matthew Luzum

We numerically analyze recent high energy heavy-ion collision experiments based on a hydrodynamical model with phase transition and discuss a systematic change of initial state of QGP-fluid depending on colliding-nuclei's mass. In a…

Nuclear Theory · Physics 2016-09-08 Shin Muroya , Hiroki Nakamura , Mikio Namiki