Setting the string shoving picture in a new frame

Based on the recent success of the Angantyr model in describing multiplicity distributions of the hadronic final state in high energy heavy ion collisions, we investigate how far one can go with a such a string-based scenario to describe also flow effects measured in such collisions.For this purpose we improve our previous so-called shoving model, where strings that are close in space-time tend to repel each other in a way that could generate anisotropic flow, and we find that this model can indeed generate such flows in AA collisions. The flow generated is not quite enough to reproduce measurements, but we identify some shortcomings in the presented implementation of the model that, when fixed, could plausibly give a more realistic amount of flow.

Automated summary

Building on the recent success of the Angantyr model in describing multiplicity distributions in high energy heavy ion collisions, this study investigates the potential of using a string-based scenario to also describe flow effects measured in such collisions. The improved shoving model shows promise in generating flow in AA collisions, but further refinements are needed to match measurements more realistically.