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Related papers: Initial state in heavy ion collisions

200 papers

This presentation discusses some recently active topics in the theoretical interpretation of high energy heavy ion collisions at the LHC and at RHIC. We argue that the standard paradigm for understanding the spacetime evolution of the bulk…

High Energy Physics - Phenomenology · Physics 2016-09-20 T. Lappi

A brief overview of the theory of open heavy flavor dynamics in QCD matter produced in high energy heavy-ion collisions is presented. First, we will summarise the phenomenological efforts to estimate the heavy quark diffusion coefficients…

Nuclear Theory · Physics 2023-08-03 Santosh K. Das

I review experimental results from ultrarelativistic heavy ion collisions. Signals of new physics and observables reflecting the underlying collision dynamics are presented, and the evidence for new physics discussed. Measurements of higher…

Nuclear Experiment · Physics 2007-05-23 Barbara V. Jacak

We recently proposed a new approach to high energy nuclear scattering, which treats the initial stage of heavy ion collisions in a sophisticated way. We are able to calculate macroscopic quantities like energy density and velocity flow at…

High Energy Physics - Phenomenology · Physics 2009-10-31 H. J. Drescher , F. M. Liu , S. Ostapchenko , T. Pierog , K. Werner

We review recent theoretical developments relevant to heavy-ion experiments carried out within the Beam Energy Scan program at the Relativistic Heavy Ion Collider. Our main focus is on the description of the dynamics of systems created in…

Nuclear Theory · Physics 2024-08-23 Lipei Du , Agnieszka Sorensen , Mikhail Stephanov

The status of flow in heavy-ion collisions and of inference of hadronic-matter properties is reviewed.

Nuclear Theory · Physics 2015-06-26 P. Danielewicz

In hydrodynamical modeling of heavy-ion collisions, the initial-state spatial anisotropies are translated into momentum anisotropies of the final-state particle distributions. Thus, understanding the origin of the initial-state anisotropies…

High Energy Physics - Phenomenology · Physics 2012-03-12 M. Alvioli , H. Holopainen , K. J. Eskola , M. Strikman

The goal of heavy ion reactions at low beam energies is to explore the QCD phase diagram at high net baryon chemical potential. To relate experimental observations with a first order phase transition or a critical endpoint, dynamical…

Nuclear Theory · Physics 2018-03-14 H. Petersen

We present a fully three-dimensional model providing initial conditions for energy and net-baryon density distributions in heavy ion collisions at arbitrary collision energy. The model includes the dynamical deceleration of participating…

Nuclear Theory · Physics 2018-02-21 Chun Shen , Björn Schenke

Some experimental results are discussed in connection with the properties of the central heavy ion collisions. These experiments indicate the regime changes and saturation at some values of the centrality. This phenomenon is considered to…

Nuclear Experiment · Physics 2009-04-15 Z. Wazir , M. K. Suleymanov , E. U. Khan , Mahnaz Q. Haseeb , M. Ajaz , K. H. Khan

In this paper, a search for power-law fluctuations with fractality and intermittency analysis to explore the QCD phase diagram and the critical point is summarized. Experimental data on self-similar correlations and fluctuations with…

Nuclear Theory · Physics 2022-07-13 Zhiming Li

We model the disassembly of an excited nuclear system formed as a result of a heavy ion collision. We find that, as the beam energy in central collisions in varied, the dissociating system crosses a liquid-gas coexistence curve, resulting…

Nuclear Theory · Physics 2009-10-30 J. Pan , S. Das Gupta , M. Grant

We give a short review of hydrodynamic models at heavy ion collisions from the point of view of initial conditions, an equation of states (EoS) and freezeout process. Then we show our latest results of a combined fully three-dimensional…

Nuclear Theory · Physics 2008-11-26 Chiho Nonaka

A key ingredient of hydrodynamical modeling of relativistic heavy ion collisions is thermal initial conditions, an input that is the consequence of a pre-thermal dynamics which is not completely understood yet. In the paper we employ a…

Nuclear Theory · Physics 2015-01-22 V. Yu. Naboka , S. V. Akkelin , Iu. A. Karpenko , Yu. M. Sinyukov

We study the effects of initial state fluctuations on the dynamical evolution of heavy quarks inside a quark-gluon plasma created in relativistic heavy-ion collisions. The evolution of heavy quarks in QGP matter is described utilizing a…

Nuclear Theory · Physics 2015-11-25 Shanshan Cao , Yajing Huang , Guang-You Qin , Steffen A. Bass

Event-by-event hydrodynamics, with fluctuating initial conditions, has shown to nicely reproduce several features of experimentally observed quantities in high-energy nuclear collisions. Here we discuss how it may help to understand, in a…

High Energy Physics - Phenomenology · Physics 2015-03-17 Yogiro Hama , Rone Peterson G. Andrade , Frederique Grassi , Wei-Liang Qian

The early time dynamics of heavy ion collisions can be described by classical fields in an approximation of Quantum ChromoDynamics (QCD) called Color Glass Condensate (CGC). Monte-Carlo sampling of the color charge for the incoming nuclei…

Nuclear Theory · Physics 2017-05-24 Steven Rose , Rainer J. Fries

We suggest that the ultrarelativistic collisions of heavy ions provide the simplest situation for the study of strong interactions which can be understood from first principles and without any model assumptions about the microscopic…

High Energy Physics - Phenomenology · Physics 2009-10-31 A. Makhlin

In high energy collisions involving small nuclei (p+p or x+Au collisions where x=p, d, or $^3$He) the fluctuating size, shape and internal gluonic structure of the nucleon is shown to have a strong effect on the initial size and shape of…

Nuclear Theory · Physics 2016-09-21 Kevin Welsh , Jordan Singer , Ulrich W. Heinz

A summary of work done in collaboration with K. Rajagopal and E. Shuryak. We show how heavy ion collision experiments, in particular, event-by-event fluctuation measurements, can lead to the discovery of the critical point on the phase…

High Energy Physics - Phenomenology · Physics 2015-06-25 M. Stephanov