NPA Zoom Seminar, Govert Nijs, MIT, “A Transverse Momentum Differential Global Analysis of Heavy Ion Collisions”

Event time: 
Thursday, January 28, 2021 - 1:00pm to 2:00pm
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Event description: 

The understanding of heavy ion collisions and its quark-gluon plasma formation requires a complicated interplay of rich physics in a wealth of experimental data. In this work we compare for identified particles as a function of transverse momentum both the spectra and the anisotropic flow coefficients for both PbPb and pPb collisions. We do this in a model including a free streaming prehydrodynamic phase with variable velocity v_fs, thereby widening the scope of initial conditions. During the hydrodynamic phase we vary three new second order transport coefficients. The free streaming velocity has a preference slightly below unity. In this enlarged model the bulk viscosity is small and even consistent with zero.
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