Transverse radial expansion in nuclear collisions and two particle correlations

2003/12/31 by S. A. Voloshin, Sergei A. Voloshin · 8 citations
Physics and Astronomy · #Atomic physics #Azimuth #Cold Atom Physics and Bose-Einstein Condensates #Collision #Geometry #High-Energy Particle Collisions Research #Large Hadron Collider #Momentum (technical analysis) #Nuclear physics #Nucleon #Nucleus #Particle (ecology) #Physics #Plane (geometry) #Position (finance) #Quantum Chromodynamics and Particle Interactions #Rapidity #Thermalisation #Transverse plane #nucl-th

paper · pdf · doi:10.1016/j.physletb.2005.11.024

published as Phys.Lett. B632 (2006) 490-494 · As accepted for publication in Phys. Lett. B. The discussion is slightly extended. The linear scale in Fig.2 changed to log scale. No other changes

arxiv created 2005/11/21 · openalex publication_date 2005/11/23 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

Abstract

At the very first stage of an ultra-relativistic nucleus–nucleus collision new particles are produced in individual nucleon–nucleon collisions. In the transverse plane, all particles from a single NN collision are initially located at the same position. The subsequent thermalization and transverse radial expansion of the system create strong position-momentum correlations and lead to characteristic rapidity, transverse momentum, and azimuthal correlations among the produced particles.

Citations

• Novel Rapidity Dependence of Directed Flow in High-Energy Heavy-Ion Collisions
• Clocking Hadronization in Relativistic Heavy-Ion Collisions with Balance Functions

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