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String Theory meets Field Theory in Heavy Ion Collisions

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. NPE. p 0.

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String Theory meets Field Theory in Heavy Ion Collisions

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

  2. Confronting High-pT Data NPE p0 Y. Akibafor the PHENIX collaboration, hep-ex/0510008 Wicks, WAH, Gyulassy, Djordjevic, NPA784 (2007) WHDG C. Vale, QM09 Plenary (analysis by R. Wei) PHENIX, Phys. Rev. Lett. 98, 172301 (2007)

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

  4. Collinear Approximation • Assume small angle emission • kT << w • 2 defs. of x: • Affects ALL current pQCD models • Enforce via kinematiccutoffs kT w = k0 WAH and B Cole, 0910.1823

  5. Huge Sensitivity WAH and B Cole, 0910.1823

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

  7. AdS/CFT PHENIX 0-5% p0 S SGubser, QM09 WAH, in preparation

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