Weakness or Strength in the Golden Years of RHIC and LHC?
arXiv:1207.7158 · doi:10.1016/j.nuclphysa.2012.12.041
Abstract
Recent LHC data suggest that perturbative QCD provides a qualitatively consistent picture of jet quenching. Constrained to RHIC pi0 suppression, zero parameter WHDG energy loss predictions agree quantitatively with the charged hadron v2 and D meson RAA measured at LHC and qualitatively with the charged hadron RAA. On the other hand, RHIC-constrained LHC predictions from fully strongly-coupled AdS/CFT qualitatively oversuppress D mesons compared to data; light meson predictions are on less firm theoretical ground but also suggest oversuppression. More detailed data from heavy, especially B, mesons will continue to help clarify our picture of the physics of the quark-gluon plasma. Since the approach of pQCD predictions to LHC data occurs at momenta >~ 15 GeV/c, a robust consistency check between pQCD and both RHIC and LHC data requires RHIC jet measurements.
4 pages. 3 figures. Proceedings for Hard Probes 2012. Minor grammatical and reference changes from v1
References in corpus (15)
- Viscosity in Strongly Interacting Quantum Field Theories from Black Hole Physics
- Energy loss of a heavy quark moving through N=4 supersymmetric Yang-Mills plasma
- Elliptic and triangular flow in event-by-event (3+1)D viscous hydrodynamics
- Drag force in AdS/CFT
- Energy Loss and Flow of Heavy Quarks in Au+Au Collisions at sqrt(s_NN) = 200 GeV
- Study of high-pT charged particle suppression in PbPb compared to pp collisions at sqrt(sNN)=2.76 TeV
- Suppression of non-prompt J/psi, prompt J/psi, and Y(1S) in PbPb collisions at sqrt(sNN) = 2.76 TeV
- Light quark energy loss in strongly-coupled N = 4 supersymmetric Yang-Mills plasma
- Azimuthal anisotropy of charged particles at high transverse momenta in PbPb collisions at sqrt(s[NN]) = 2.76 TeV
- Gluon energy loss in the gauge-string duality
- Heavy Quark Diffusion with Relativistic Langevin Dynamics in the Quark-Gluon Fluid
- Quantitative Constraints on the Transport Properties of Hot Partonic Matter from Semi-Inclusive Single High Transverse Momentum Pion Suppression in Au+Au collisions at sqrt(s_NN) = 200 GeV
- Testing AdS/CFT Deviations from pQCD Heavy Quark Energy Loss with Pb+Pb at LHC
- AdS/CFT Energy Loss in Time-Dependent String Configurations
- Probing the Frontiers of QCD