Long range rapidity correlations as seen in the STAR experiment

2009/09/22 by T. Lappi, Larry McLerran, L. McLerran
Mathematics · Physics and Astronomy · #Astrophysics #Correlation #Geology #Hadron #High-Energy Particle Collisions Research #Materials science #Mathematics #Matrix (chemical analysis) #Nuclear physics #Particle (ecology) #Particle physics theoretical and experimental studies #Physics #Positive correlation #Quantum Chromodynamics and Particle Interactions #Range (aeronautics) #Rapidity #Star (game theory) #Statistical physics #hep-ph #nucl-ex #nucl-th

paper · pdf · doi:10.1016/j.nuclphysa.2009.11.003

published as Nucl.Phys.A832:330-345,2010 · 16 pages, 5 figures, uses elsart.cls. V2: typo corrections

arxiv created 2009/09/22 · openalex publication_date 2009/11/08 · arxiv updated 2010/02/08 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

Abstract

We analyze long range rapidity correlations observed in the STAR experiment at RHIC. Our goal is to extract properties of the two particle correlation matrix, accounting for the analysis method of the STAR experiment. We find a surprisingly large correlation strength for central collisions of gold nuclei at highest RHIC energies. We argue that such correlations cannot be the result of impact parameter fluctuations.

Citations

• Wilson renormalization group for lowxphysics: Towards the high density regime
• Non-Abelian Weizsäcker-Williams field and a two-dimensional effective color charge density for a very large nucleus
• The BFKL equation from the Wilson renormalization group
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• Glittering Glasmas
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Cited by

• Hidden asymmetry and forward-backward correlations