Speaker
Description
Increasingly many studies have involved the use of Bayesian statistics in estimating the transport properties of quark-gluon plasma through hydrodynamic calculations. So far, most of these studies have obtained their estimates in Pb-Pb collision systems at varying center-of -mass energies. It has been since learned that the inclusion of multiple collision configurations and high harmonic observables is crucial in obtaining results of high precision [1, 2].
In this talk, we constrain the QCD matter properties further by adding collision systems of varying sizes, such as Xe-Xe and pPb collision data measured by ALICE at LHC. In addition, we utilize the Bayesian analysis to constrain the Xe nuclear deformity, which provides an additional constraint to the initial conditions. We also present predictions for the O-O collision system using results obtained by constraints from this study.
[1] J. E. Parkkila, A. Onnerstad, and D. J. Kim, Phys. Rev. C 104, 054904, Bayesian estimation of the specific shear and bulk viscosity of the quark-gluon plasma with additional flow harmonic observables.
[2] J. E. Parkkila, A. Onnerstad, S. F. Taghavi, C. Mordasini, A. Bilandzic and D. J. Kim, arXiv:2111.08145, New constraints for QCD matter from improved Bayesian parameter estimation in heavy-ion collisions at LHC.
