String Theory meets Field Theory in Heavy Ion Collisions W. A. Horowitz The Ohio State University October 23, 2009 With many thanks to Brian Cole, Miklos.

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Presentation transcript:

String Theory meets Field Theory in Heavy Ion Collisions W. A. Horowitz The Ohio State University October 23, 2009 With many thanks to Brian Cole, Miklos Gyulassy, Ulrich Heinz, and Yuri Kovchegov

Confronting High-p T Data Y. Akiba for the PHENIX collaboration, hep-ex/ C. Vale, QM09 Plenary (analysis by R. Wei) WHDG 00 Wicks, WAH, Gyulassy, Djordjevic, NPA784 (2007) PHENIX, Phys. Rev. Lett. 98, (2007) NPE

pQCD Quantification? Bass et al., Phys.Rev.C79:024901,2009 PHENIX, PRC77:064907,2008

Collinear Approximation Assume small angle emission –k T <<  –2 defs. of x: Affects ALL current pQCD models Enforce via kinematic cutoffs kTkT  = k 0 WAH and B Cole,

Huge Sensitivity WAH and B Cole,

AdS/CFT and Heavy Quarks J Friess, et al., PRD75:106003, 2007 WAH, M. Gyulassy, PLB666 (2008) WAH, PhD Thesis

AdS/CFT WAH, in preparation PHENIX 0-5%  0 S S Gubser, QM09

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