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Hot Quarks 2014

21–27 Sept 2014
Europe/Madrid timezone

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Session

Session 5

24 Sept 2014, 08:30

Conveners

Session 5: Flow and correlations I

  • Hannah Petersen

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  1. 88. Overview of the initial state flucuations and final state collectivity
    Dr Bjoern Schenke (Brookhaven National Lab)
    24/09/2014, 08:30
  2. 44. Identified charged hadron production in Pb-Pb collisions with event shape engineering
    Marco-Antonio Tangaro (Universita e INFN (IT))
    24/09/2014, 09:05
    Correlations and fluctuations
    Experimental
    Strong event-by-event fluctuations in the energy density of heavy-ion collisions have been recently observed with ALICE, with the measurement of non-zero odd harmonic anisotropic flow coefficients. This measurement suggests the possibility to select different event shapes for a definite centrality and colliding system. The event selection is based on the azimuthal distribution of produced...
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  3. 62. Source eccentricity at freeze-out measured by HBT interferometry with the event shape selection
    Takafumi Niida (University of Tsukuba (JP))
    24/09/2014, 09:25
    Relativistic hydrodynamic and collective phenomena
    Experimental
    The higher order flow anisotropies (v_{n}) are considered to be originated from initial geometrical fluctuation of participating nucleons followed by the collective expansion of the hot and dense medium created in high-energy heavy-ion collisions. The source geometry with possible fluctuation at the end of the expansion would depend on the magnitude of the initial fluctuation, the strength of...
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  4. 72. Probing novel long-range correlation phenomena in pPb collisions with identified particles at CMS
    Zhenyu Chen (Rice University (US))
    24/09/2014, 09:45
    Correlations and fluctuations
    Experimental
    Observation of a long-range near-side two-particle correlation (known as the "Ridge") in high-multiplicity pp and pPb collisions opened up new opportunities of exploring novel QCD dynamics in small collision systems. To further investigate the origin of this phenomenon, studies of two-particle correlations with identified $K^0_s$ and Lambda trigger particles in 5.02 TeV pPb collisions are...
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  5. 58. Directed flow in relativistic heavy-ion collisions within PHSD transport approach and 3FD hydrodynamical model
    Dr Volodymyr Konchakovski (Institute for Theoretical Physics, Giessen University)
    24/09/2014, 10:35
    Relativistic hydrodynamic and collective phenomena
    Theory
    We analyze recent STAR data for the directed flow of protons, antiprotons and charged pions obtained within the beam energy scan program within the Parton-Hadron-String-Dynamics (PHSD) transport model and a 3-Fluid hydroDynamics (3FD) approach. We clarify the role of partonic degrees of freedom in the the kinetic PHSD approach. The PHSD results, simulating a partonic phase and its...
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  6. 32. Projection method and new formulation of leading-order anisotropic hydrodynamics
    Leonardo Tinti (Jan Kochanowski University)
    24/09/2014, 10:55
    Relativistic hydrodynamic and collective phenomena
    Theory
    Successful applications of relativistic viscous hydrodynamics in the description of heavy-ion collisions at RHIC and the LHC triggered large interest in the development of the hydrodynamic framework. An example of the new approach to relativistic dissipative hydrodynamics is anisotropic hydrodynamics --- the framework where effects connected with the expected high pressure anisotropy of the...
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  7. 59. A new schock capturing numerical scheme for ideal hydrodynamics
    Zuzana Feckova
    24/09/2014, 11:15
    Relativistic hydrodynamic and collective phenomena
    Theory
    We present a new algorithm for solving ideal relativistic hydrodynamics based on Godunov method with exact solution of Riemann problem with an arbitrary equation of state. Standard numerical tests are executed, such as sound wave propagation and schock tube problem. Low numerical viscosity and high precision are attained with proper discretization.
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