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Quark Matter 2012

Aug 12 – 18, 2012
US/Eastern timezone

If you have any questions about the details of the program please contact Bolek Wyslouch

Session

Parallel 3C: Electro-Weak Probes (Chair J. Kapusta)

70
Aug 15, 2012, 8:30 AM

Presentation materials

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  1. 119. Thermal dileptons in high-energy heavy ion collisions with 3+1D relativistic hydrodynamics
    Gojko Vujanovic (McGill University)
    8/15/12, 8:30 AM
    Electroweak probes
    Oral Presentation
    The penetrating nature of dileptons makes them suitable probes to explore the properties of the strongly-interacting medium created in relativistic nuclear collisions. This study investigates thermal dilepton production using MUSIC (a Monotone Upstream-centered Scheme for Ion Collisions): a 3+1D hydrodynamic simulation with or without shear viscosity. We utilize dilepton emission rates that...
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  2. 137. Dielectron measurements by PHENIX using the HBD
    Dr Ermias Atomssa (Stony Brook University)
    8/15/12, 8:50 AM
    Electroweak probes
    Oral Presentation
    Measurements of lepton pair spectra are a crucial tool to map out the evolution of the hot dense matter created in ultra-relativistic heavy ion collisions. At low pair mass, direct photons and low mass vector mesons are the main center of interest. Interpretation of lepton pair production rates in excess of expectations from hadronic decays observed by PHENIX and how the data constrains...
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  3. 268. Di-electron differential cross section in Au+Au collisions at different beam energies at STAR
    Dr Huang Bingchu (Brookhaven National Lab)
    8/15/12, 9:10 AM
    Electroweak probes
    Oral Presentation
    Di-leptons serve as clean and bulk penetrating probes to study the properties of the strongly interacting hot and dense medium created in heavy ion collisions. They are produced in all stages of the heavy-ion collisions and are not affected by strong interactions, hence can probe the entire evolution of the collision. Di-lepton production in the low mass range ($M_{ll}<1.1$ GeV/$c^{2}$)...
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  4. 359. Jet-Tagged Back-Scattering Photons For Quark Gluon Plasma Tomography
    Prof. Rainer Fries (Texas A&M University)
    8/15/12, 9:30 AM
    Oral Presentation
    We investigate the correlations of photons produced by back scattering of fast partons in quark gluon plasma  with their away‐side jets. Back scattering with photon emission, or jet‐photon conversion,  was originally proposed as a novel source of photons in Phys. Rev. Lett. 90, 132301 (2003).  The unique appeal of this photon source lies in the fact that its photons carry information about b...
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  5. 441. Measurement of direct photons in pp and Pb-Pb collisions with ALICE
    Martin Rudolf Wilde (Westfaelische Wilhelms-Universitaet Muenster (DE))
    8/15/12, 9:50 AM
    Oral Presentation
    Direct photons are an important probe in diagnosing the highly excited state of nuclear matter created in heavy-ion collisions: They allow access to various stages of the collision including the initial state. The ALICE detector is equipped with two high resolution electromagnetic calorimeters and a central tracking system that make it well suited to study direct photon production at low...
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