Bulletin of the American Physical Society
APS April Meeting 2011
Volume 56, Number 4
Saturday–Tuesday, April 30–May 3 2011; Anaheim, California
Session L2: Relativistic Viscous Hydrodynamics at RHIC (DNP Thesis Prize Session) |
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Sponsoring Units: DNP Chair: William Zajc, Columbia University Room: Grand BCD |
Sunday, May 1, 2011 3:30PM - 4:06PM |
L2.00001: Dissertation Award in Nuclear Physics Talk: Relativistic viscous hydrodynamics and heavy-ion collisions Invited Speaker: With the recent start of the heavy ion program at the Large Hadron Collider (LHC) at CERN, a new era is beginning, of precision investigation into the behavior of deconfined, strongly-interacting matter -- the Quark-Gluon Plasma (QGP). Already, the Relativistic Heavy Ion Collider (RHIC) at Brookhaven has produced a wealth of data, providing much new insight. A striking revelation was that collision system appeared to behave like an almost perfect (i.e., very small viscosity) fluid, indicating the creation of a strongly-coupled QGP. Indeed, such hydrodynamical models represent the state-of-the-art in understanding the bulk evolution of a relativistic heavy-ion collision system. In this talk, focused on work done for my dissertation, I introduce these models, based on relativistic viscous hydrodynamics. In particular, I describe the use of such models to extract transport properties of the QGP -- specifically the shear viscosity -- as well as to make predictions for the results of heavy ion collisions at the LHC. Indeed, with first results from the LHC having come last November we can compare these predictions with data, which turn out to agree surprisingly well. This affirms our current understanding and gives confidence that we can continue to make progress in quantitatively characterizing the physics of strongly interacting matter at extremely high temperature. [Preview Abstract] |
Sunday, May 1, 2011 4:06PM - 4:42PM |
L2.00002: Dissertation Award in Nuclear Physics Talk: QGP viscosity at RHIC and LHC energies Invited Speaker: The successes of ideal hydrodynamics in describing RHIC data at lower $p_T$ region led to the well known announcement that ``RHIC Scientists Serve Up Perfect Liquid'' (the Quark Gluon Plasma, QGP). In order to answer ``How perfect is the QGP fluid?,'' one needs to extract the QGP viscosity from experimental data. Viscous hydrodynamics is such a tool that could attack this problem. In this talk, I will report recent progresses on viscous hydrodynamics + hadron cascade hybrid model and discuss the QGP shear viscosity at RHIC and LHC energies. [Preview Abstract] |
Sunday, May 1, 2011 4:42PM - 5:18PM |
L2.00003: Extraction of the Transport Coefficients of the Quark Gluon Plasma: an Experimentalists view Invited Speaker: A major focus of current research at the Relativistic Heavy Ion Collider (RHIC), is centered on the extraction of the transport properties of a new state of matter at extreme temperature and density (the quark gluon plasma (QGP)) discovered by the RHIC experiments. Experimental measurements in concert with relativistic viscous hydrodynamical calculations have played an essential role for these extractions. I will review several of these measurements, as well as the important insights that these hydrodynamical calculations have provided. I will also discuss new measurements which are required for more precise determinations of transport coefficients. [Preview Abstract] |
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