Di-Hadron Correlations with Identified Leading Hadrons in 200 GeV Au+Au and d+Au Collisions at STAR

Abstract : The STAR collaboration presents new two-dimensional di-hadron correlations with leading hadrons in 200 GeV central Au+Au and minimum bias d+Au collisions to explore hadronization mechanisms in the quark gluon plasma. The enhancement of the jet-like yield for leading pions in Au+Au data with respect to the d+Au reference and the absence of enhancement for leading non-pions (protons and kaons) are discussed within the context of quark recombination. The correlated yield at large angles, specifically in the \emph{ridge region}, is significantly higher for leading non-pions than pions. The consistencies of the constituent quark scaling, azimuthal harmonic model and a mini-jet modification model description of the data are tested, providing further constraints on hadronization.
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Pré-publication, Document de travail
See paper for full list of authors. 2014
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http://hal.in2p3.fr/in2p3-01074970
Contributeur : Dominique Girod <>
Soumis le : jeudi 16 octobre 2014 - 11:51:55
Dernière modification le : jeudi 5 avril 2018 - 10:36:12

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  • HAL Id : in2p3-01074970, version 1
  • ARXIV : 1410.3524

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N.M. Abdelwahab, W. Borowski, S. Kabana. Di-Hadron Correlations with Identified Leading Hadrons in 200 GeV Au+Au and d+Au Collisions at STAR. See paper for full list of authors. 2014. 〈in2p3-01074970〉

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