Understanding Rt using two-particle correlations by simulating proton-proton collisions in a Monte-Carlo model
Abstract: The observable Rt is investigated in the Monte Carlo Model Pythia in order to better understand results from experimental data obtained in the ALICE detector at CERN. The purpose is to reproduce the experiment in a simulation and use the features proposed by Pythia to dig into the unexpected outcomes. The analysis is conducted using (∆φ, ∆η) two particle correlations. Three different methods are used for the investigation of Rt, a general two-particle correlation, a correlation with respect to the leading track and a correlation between tracks contained in each region separately. The comparison made between the events generated by Pythia and the experimental data are mostly in agreement although some unexpected features emerge in the simulation. The influence of the initial state radiation on the general distribution of the tracks around the collision is also investigated.
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