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Forward-backward multiplicity correlation strengths have been measured with the STAR detector for Au + Au and p + p collisions at root s(NN) = 200 GeV. Strong short- and long-range correlations (LRC) are seen in central Au + Au collisions. The magnitude of these correlations decrease with decreasing centrality until only short-range correlations are observed in peripheral Au + Au collisions. Both the dual parton model (DPM) and the color glass condensate (CGC) predict the existence of the long-range correlations. In the DPM, the fluctuation in the number of elementary (parton) inelastic collisions produces the LRC. In the CGC, longitudinal color flux tubes generate the LRC. The data are in qualitative agreement with the predictions of the DPM and indicate the presence of multiple parton interactions.
|Journal||Physical Review Letters|
|Publication status||Published - 1 Oct 2009|
FingerprintDive into the research topics of 'Growth of Long Range Forward-Backward Multiplicity Correlations with Centrality in Au plus Au Collisions at root s(NN)=200 GeV'. Together they form a unique fingerprint.
- 1 Finished
Ultra-relativitic Heavy Ion Collisions - Application for Bridging Support
SCIENCE & TECHNOLOGY FACILITIES COUNCIL
1/03/08 → 31/05/10
Project: Research Councils