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Quark Matter 2017

5–11 Feb 2017
Hyatt Regency Chicago
America/Chicago timezone

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Session

Parallel Session 6.1: QCD in Small Systems (III)

8 Feb 2017, 10:40
Regency A

Regency A

Conveners

Parallel Session 6.1: QCD in Small Systems (III)

  • Alexander Milov (Weizmann Institute of Science (IL))

Presentation materials

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  1. 79. Bayesian analysis of flow in small and large QGP droplets: the role of subnucleonic structure
    Scott Moreland (Duke University)
    08/02/2017, 10:40
    QCD in small systems
    Oral

    Recent measurements of azimuthal particle correlations in small collision systems show striking simularities to flow signatures observed in gold-gold and lead-lead collisions, leading many to question if the origin of small system correlations is hydrodynamic in nature. The ensuing effort to construct a unified hydrodynamic model for small and large collision systems revealed new tension in...

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  2. 479. Femtoscopy with identified charged pions in proton-lead collisions at $\sqrt{s_{\mathrm{NN}}}$=5.02 TeV with the ATLAS detector
    Michael Ryan Clark (Columbia University (US))
    08/02/2017, 11:00
    Correlations and Fluctuations
    Oral

    Bose-Einstein correlations between identified charged pions are measured for $p$+Pb collisions at $\sqrt{s_{\mathrm{NN}}}$=5.02 TeV with the ATLAS detector with a total integrated luminosity of 28 $\mathrm{nb}^{−1}$. Pions are identified using ionization energy loss measured in the pixel detector. Two-particle correlation functions and the extracted three-dimensional source radii are presented...

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  3. 601. PHENIX results on collective behavior in small systems from geometry-controlled experiments at $\sqrt{s_{NN}} = 200 GeV
    Qiao Xu (Vanderbilt University (US))
    08/02/2017, 11:20
    Collective Dynamics
    Oral

    Recent measurements in small collisions systems at LHC and RHIC indicate that the particles produced in high-multiplicity collisions exhibit collective behavior very similar to that observed in large systems where QGP is formed. In large systems, it is well established that the final-state particle correlations arise from anisotropic pressure gradients in the initial state of the collisions...

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  4. 379. Evidence for collective phenomena in pp collisions with CMS
    Zhenyu Chen (Rice University (US))
    08/02/2017, 11:40
    QCD in small systems
    Oral

    Observation of long-range ridge-like correlations in high-multiplicity pp collisions opened up new opportunities for exploring novel QCD dynamics in small collision systems. Based on data collected in 2015 and 2016 with the CMS detector at the LHC, the second-order ($v_{2}$) and third-order ($v_{3}$) azimuthal anisotropy harmonics of $K_{s}^{0}$, $\Lambda$ and inclusive charged particles are...

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  5. 470. Is pQCD energy loss in trouble?
    Isobel Kolbe (University of Cape Town)
    08/02/2017, 12:00
    QCD in small systems
    Oral

    Current pQCD calculations for the energy loss of a hard parton moving through a medium of thermalized static scattering centres are inapplicable to the small colliding systems (such as p/d +A) that have, in recent years, hinted at the presence of tiny droplets of QGP through the presence of collective behaviour, strangeness enhancement and quarkonium suppression. The well-known DGLV, ASW,...

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