Bulletin of the American Physical Society
78th Annual Meeting of the Southeastern Section of the APS
Volume 56, Number 9
Wednesday–Saturday, October 19–22, 2011; Roanoke, Virginia
Session JB: Relativistic Heavy Ions at RHIC and LHC |
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Chair: Soren Sorensen, University of Tennessee Room: Crystal Ballroom B |
Friday, October 21, 2011 1:30PM - 2:00PM |
JB.00001: Recent Results from PHENIX Invited Speaker: Studying the property of quark-gluon plasma and its implication to the Big Bang model of cosmology has been the focal point of research in the field of relativistic heavy ion collisions over the past three decades. The Relativistic Heavy Ion Collider (RHIC) at the Brookhaven National Laboratory started taking data in 2000. The PHENIX Collaboration at RHIC has carried out a comprehensive study of particle production that includes baseline measurement in p+p collisions, and the measurement from d+Au, Cu+Cu and Au+Au collisions at multiple energies. This talk will focus on the most recent and exciting results from PHENIX. [Preview Abstract] |
Friday, October 21, 2011 2:00PM - 2:30PM |
JB.00002: Recent Results from ALICE at LHC Invited Speaker: The ALICE experiment at the Large Hadron Collider at CERN is optimized to study the properties of the hot, dense matter created in high energy nuclear collisions in order to improve our understanding of the properties of nuclear matter under extreme conditions. In 2009 the first proton beams were collided at the Large Hadron collider and since then data from proton-proton collisions at sqrt(s) = 0.7, 2.76, and 7 TeV have been taken. In 2010 the first lead nuclei were collided at 2.76 TeV. Recent results from ALICE will be presented. These results are consistent with expectations based on data available at lower energies at RHIC and the SPS, indicating that the matter created in collisions at the LHC is hotter and larger than that at lower energies and behaves like a strongly interacting, nearly perfect liquid. [Preview Abstract] |
Friday, October 21, 2011 2:30PM - 3:00PM |
JB.00003: Results from PbPb Collisions Measured by the CMS Detector Invited Speaker: We will survey the results obtained from the analyses of PbPb collisions taken by the CMS detector during the first heavy ion run at the LHC. The physics topics will include quarkonium suppression studies, the non-suppression of the electro-weak Z and photon gauge bosons, the new insights into jet suppression dynamics afforded by di-jet energy asymmetry measurements, and the extensive investigations into the multiple harmonics of hydrodynamic flow. The quarkonium results will include both the J/Psi prompt and non-prompt production yields, and the Upsilon excited state production modifications in heavy ion collisions. The discussion of the hydrodynamic flow will extend across a variety of complementary methods aimed at disentangling the flow and non-flow contributions to the observed signals. [Preview Abstract] |
Friday, October 21, 2011 3:00PM - 3:30PM |
JB.00004: What do we know about the shear-viscosity of QCD matter? Invited Speaker: The success of viscous Relativistic Fluid Dynamics (RFD) in describing hadron spectra and elliptic flow at RHIC has led to a strong interest in the transport coefficients of QCD, in particular the shear- and bulk-viscosity as well as the shear-viscosity over entropy-density ratio $\eta $/s. In my talk I will review our current state of knowledge on the shear viscosity of QCD matter at RHIC. In particular I will focus on the latest attempts to constrain $\eta $/s via model to data comparisons, the question whether low viscosity matter needs to be strongly interacting in the deconfined phase and on recent calculations of $\eta $/s for a hadron gas in and out of chemical equilibrium. [Preview Abstract] |
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