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Online Strangeness in Quark Matter Conference 2021

17–22 May 2021
US/Eastern timezone

Session

Bulk (Transport)

Parallel 3a
19 May 2021, 09:30
Room A (Zoom)

Room A

Zoom

zoom co-host: Niveditha Ramasubramanian https://stonybrook.zoom.us/j/99346269726

Conveners

Bulk (Transport): Parallel 3

  • Zi-Wei Lin (East Carolina University, Central China Normal University)

Presentation materials

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  1. 163. Is the chemical freeze-out connected to the phase transition? A transport study of freeze-out criteria
    Tom Reichert (Institut für Theoretische Physik, Goethe Universität Frankfurt)
    19/05/2021, 09:30
    Theory talk

    The chemical freeze-out is often related to the phase transition to a deconfined state of matter, the Quark Gluon Plasma. We introduce a novel approach based on elastic and inelastic scattering rates to extract the hyper-surface of the chemical freeze-out from a hadronic transport simulation. We use the Ultra-relativistic Quantum Molecular Dynamics (UrQMD) model to extract the chemical...

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  2. 183. NCQ scaling of $f_{0}(980)$ elliptic flow in 200 GeV Au+Au collisions by STAR and its constituent quark content
    Dr Jie Zhao (Purdue University)
    19/05/2021, 09:50
    Experimental talk

    Searching for exotic state particles and studying their properties have furthered our understanding of quantum chromodynamics (QCD). The $f_{0}(980)$ resonance is an exotic state with relatively higher production rate in relativistic heavy-ion collisions, decaying primarily into $\pi\pi$. Currently the structure and quark content of the $f_{0}(980)$ are unknown with several predictions from...

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  3. 144. Resonance production in PbPb collisions at 5.02 TeV and duration of hadronic rescattering stage
    Dr Dmytro Oliinychenko (INT, UW)
    19/05/2021, 10:10
    Theory talk

    We compute resonance (rho, K*(892), phi(1020), f2'(1252), Lambda(1520), Sigma(1775)) yields and spectra in PbPb collisions at 5.02 TeV using hydrodynamics with hadronic afterburner. The yields and <pT> agree with available experimental data. With the afterburner the yields are substantially suppressed and the mean transverse momenta are substantially enhanced compared to the case without...

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  4. 222. Thermal abundance of hyperons from a coupled-channel model
    Dr Pok Man Lo (University of Wroclaw)
    19/05/2021, 10:30
    Theory talk

    I shall present an analysis of the thermal composition of the S=-1 strange baryons using an S-matrix formulation of statistical mechanics. The thermal abundances are computed based on the density of states extracted from a coupled-channel model. The approach entails a consistent treatment of resonances and naturally incorporates nonresonant interactions and the contribution from some...

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  5. 45. The role of the strange quasiquarks in transport properties of the QGP
    Valeriya Mykhaylova
    19/05/2021, 10:50
    Theory talk

    We study the role of dynamical strange quarks in transport properties of the QGP utilizing the quasiparticle approach based on the kinetic theory. The interactions with a hot medium are encoded in the quasiparticle excitations, with the temperature dependence of the dynamical masses specified by the effective coupling extracted from the lattice QCD thermodynamics.

    Evaluation of the...

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