Probing phenomenological models implemented in PYTHIA8
N. Firdous*, M. Faheem and M. Junaid
Pre-published on:
March 27, 2023
Published on:
June 21, 2023
Abstract
PYTHIA is a highly successful and well established Monte Carlo event generator, different options of selected physics models offered by PYTHIA8 are investigated using the Minimum Bias published data by ATLAS. These models include a new scenario for Multiparton Interactions (MPI), impact parameter dependence, and color reconnection choices. MPI should be switched on to get reasonable results for hadron-hadron collision data. It is observed that the double Gaussian option in impact parameter dependence is favored by data as compared to other options provided by PYTHIA8. Without the color reconnection model, the Pt spectrum is too soft. This study is quite intriguing to observe the impact of different model options on the description of selected observables.
DOI: https://doi.org/10.22323/1.422.0262
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