[Hybrid RBRC seminar] Nuclear structure dependences in relativistic heavy ion collisions

by Sangyong Jeon (McGill University)

Thursday 15 Aug 2024, 12:30 → 13:30 US/Eastern

Small Seminar Room ( https://bnl.zoomgov.com/j/16098036710?pwd=RUtaMWgzd1NWWkVPOVlmb0NadTk5QT09)

One of the ways to characterize atomic nuclei is their shapes. As a first approximation, a nucleus can be regarded as a sphere containing protons and neutrons. In reality, however, nuclei can take on a variety of effective shapes such as a prolate ellipsoid (a football), an oblate ellipsoid (a pancake) or many others. Traditionally, these shapes are indirectly inferred from excitation spectra. In relativistic heavy ion collisions, time dilation and length contraction allow a very different way to access the shapes of the colliding nuclei as the spatial distribution of initial state matter are directly translated to the momentum distribution of the final state momenta via hydrodynamics. In this talk, I will report on McGill group’s recent work on the sensitivity of the flow and the transverse momentum spectra on nuclear shapes, as well as postdicting and predicting STAR’s Au+Au and U+U data using the full framework of IP-Glasma + MUSIC + SMASH with well-calibrated parameters obtained in the previous Bayesian analysis.