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The Large Hadron Collider (LHC) at CERN explores the frontiers of particle physics by colliding protons and heavy ions at unprecedented energies. High-energy proton–proton (p–p) collisions lead to the production of a plethora of subatomic particles. The subatomic particles made of multiple quarks bounded by strong force are called hadrons. These include particles like pions ( \(\pi ^{\pm }\) , \(\pi ^{0}\) ), kaons ( \(K^{\pm }\) , \(K^{0}\) ), protons (p), neutrons (n), etc. The study of hadron production provides precise insights into the predictions made by the Standard Model (SM) of particle physics, enhances our understanding of Quark-Gluon Plasma (QGP), and aids in the search for new physics beyond the Standard Model (BSM). In this paper, we present a study of particle production and measurement of the different kinematic spectra of charged hadrons in p–p collisions at a center-of-mass energy \(\sqrt{s}\) = 13.6 TeV by utilizing Monte Carlo-based event generator Pythia8. Root data analysis framework is used to analyze data obtained from the MC simulated on Hard-QCD events. This includes the study of transverse momentum ( \(p_{T}\) ), multiplicity, and energy spectra of charged hadrons. Furthermore, the effect of multi-parton interactions on these spectra was also analyzed.

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Monte Carlo Simulation Study on Particle Production in Proton–Proton Collisions at LHC Energy

  • 会议论文

  • 发表日期：

    2025年

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  • Niharika Shrivastav,
  • Bibhuti Parida

摘要

The Large Hadron Collider (LHC) at CERN explores the frontiers of particle physics by colliding protons and heavy ions at unprecedented energies. High-energy proton–proton (p–p) collisions lead to the production of a plethora of subatomic particles. The subatomic particles made of multiple quarks bounded by strong force are called hadrons. These include particles like pions ( \(\pi ^{\pm }\) , \(\pi ^{0}\) ), kaons ( \(K^{\pm }\) , \(K^{0}\) ), protons (p), neutrons (n), etc. The study of hadron production provides precise insights into the predictions made by the Standard Model (SM) of particle physics, enhances our understanding of Quark-Gluon Plasma (QGP), and aids in the search for new physics beyond the Standard Model (BSM). In this paper, we present a study of particle production and measurement of the different kinematic spectra of charged hadrons in p–p collisions at a center-of-mass energy \(\sqrt{s}\) = 13.6 TeV by utilizing Monte Carlo-based event generator Pythia8. Root data analysis framework is used to analyze data obtained from the MC simulated on Hard-QCD events. This includes the study of transverse momentum ( \(p_{T}\) ), multiplicity, and energy spectra of charged hadrons. Furthermore, the effect of multi-parton interactions on these spectra was also analyzed.