Journal article

Publication year: 2005

Pages: 241-259

Journal: Nuclear Physics A: Nuclear and Hadronic Physics

Volume number: 748

Issue number: 1-2

ISSN: 0375-9474

eISSN: 1873-1554

Open access status: Green

DOI Link: https://doi.org/10.1016/j.nuclphysa.2004.10.019

Publisher: Elsevier

Abstract: 
Within a hadron-string dynamical transport approach (HSD) we investigate the attenuation of high transverse momentum (pperpendicular to) hadrons as well as the suppression of 'near-side' and 'far-side' jets in An + Au collisions at invariant energies roots = 200 GeV and roots = 62.4 GeV in comparison to the data available from the Relativistic Heavy-Ion Collider (RHIC). From our transport studies we find that a significant part of the high pperpendicular to hadron attenuation seen experimentally can be attributed to inelastic interactions of 'leading' pre-hadrons with the dense hadronic environment. In addition, we also show results of 'near-side' and 'far-side' angular correlations of high pperpendicular to particles from Au + Au collisions at roots = 200 GeV and roots = 62.4 GeV within this (pre-)hadronic attenuation scenario. It turns out that the 'near-side' correlations are unaltered-in accordance with experiment-whereas the 'far-side' correlations are suppressed by up to similar to60% in central collisions. Since a much larger suppression is observed experimentally for these reactions in central reactions we conclude that there should be strong additional (and earlier) partonic interactions in the dense and possibly colored medium created in Art + Au collisions at RHIC. (C) 2004 Elsevier B.V. All rights reserved.

Harvard Citation style: Gallmeister, K. and Cassing, W. (2005) Jet quenching by (pre-)hadronic final state interactions at RHIC, Nuclear Physics A: Nuclear and Hadronic Physics, 748(1-2), pp. 241-259. https://doi.org/10.1016/j.nuclphysa.2004.10.019

APA Citation style: Gallmeister, K., & Cassing, W. (2005). Jet quenching by (pre-)hadronic final state interactions at RHIC. Nuclear Physics A: Nuclear and Hadronic Physics. 748(1-2), 241-259. https://doi.org/10.1016/j.nuclphysa.2004.10.019