The effects of pseudorapidity-dependent observables on (3+1)D Bayesian Inference of relativistic heavy-ion collisions

TL;DR

This paper investigates how pseudorapidity-dependent observables influence Bayesian inference of initial nuclear stopping and QGP viscosity in relativistic heavy-ion collisions using a (3+1)D hydrodynamics model.

Contribution

It demonstrates the impact of pseudorapidity-dependent charged hadron observables on constraining initial-state and QGP properties in a Bayesian framework.

Findings

Pseudorapidity-dependent observables significantly affect parameter constraints.

Enhanced understanding of initial-state nuclear stopping.

Refined estimates of QGP shear viscosity.

Abstract

This proceeding highlights the effects of pseudorapidity-dependent charged hadron observables $dN^\mathrm{ch}/d\eta$ and $v_2^{\rm ch}(\eta)$ in Au+Au collisions at 200 GeV on constraining the initial-state nuclear stopping for the beam remnants and the effective QGP specific shear viscosity in a recent Bayesian inference analysis using an event-by-event (3+1)D hydrodynamics + hadronic transport theoretical framework.