Probe the QGP via dihadron correlations: Jet quenching and Medium-response

Abstract

We summarize the di-hadron correlation results from RHIC, focusing on the high $p_T$ region and lower $p_T$ region for the away-side. The former is consistent with fragmentation of jets that surviving the medium, while the latter suggests the redistribution of the energy from the quenched jets. We also discuss the role of the jet in the intermediate $p_T$.

Invited talk at International Symposium on Multiparticle Dynamics (ISMD07), Berkeley, California, 4-9 Aug 2007. 5 pages 2 figures

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