Effects produced by multi-parton interactions and color reconnection in small systems

TL;DR

This paper investigates how multi-parton interactions and color reconnection in small systems, simulated with Pythia 8.212, produce QGP-like effects such as radial flow patterns, affecting observables like multiplicity and transverse momentum.

Contribution

It provides a detailed analysis of how these effects influence various observables in small systems, highlighting their role in mimicking quark-gluon plasma signatures.

Findings

Multi-parton interactions and color reconnection significantly affect event multiplicity and shapes.

Radial flow-like patterns emerge in small systems due to these effects.

Simulations show observable modifications in transverse momentum distributions.

Abstract

Multi-parton interactions and color reconnection can produce QGP-like effects in small systems, specifically, radial flow-like patterns. For pp collisions simulated with Pythia 8.212, in this work we investigate their effects on different observables like event multiplicity, event shapes and transverse momentum distributions.