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20 April 2024
 
  » arxiv » nucl-ex/0310005

 Article overview


Measurement of Non-Random Event-by-Event Fluctuations of Average Transverse Momentum in sqrt(s_NN)=200 GeV Au+Au and p+p Collisions
the PHENIX Collaboration: S.S. Adler ; et al ;
Date 6 Oct 2003
Journal Phys.Rev.Lett. 93 (2004) 092301
Subject nucl-ex
AbstractEvent-by-event fluctuations of the average transverse momentum of produced particles near mid-rapidity have been measured by the PHENIX Collaboration in sqrt(s_NN)=200 GeV Au+Au and p+p collisions at the Relativistic Heavy Ion Collider. The fluctuations are observed to be in excess of the expectation for statistically independent particle emission for all centralities. The excess fluctuations exhibit a dependence on both the centrality of the collision and on the transverse momentum window over which the average is calculated. Both the centrality and p_T dependence can be well reproduced by a simulation of random particle production with the addition of contributions from hard scattering processes.
Source arXiv, nucl-ex/0310005
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