High-Energy-Physics Event Generation with PYTHIA 5.7 and JETSET 7.4

High-Energy-Physics Event Generation with PYTHIA 5.7 and JETSET 7.4

December 1993 | Torbjörn Sjöstrand
The paper provides an overview of the PYTHIA 5.7 and JETSET 7.4 programs, which are key components of the 'Lund Monte Carlo' suite used for generating high-energy physics events. These programs simulate the interactions between particles, aiming to reproduce the average behavior and fluctuations of real data. The underlying physics is not fully understood, so the programs incorporate a combination of analytical results and models. The paper discusses the main physics components of the current versions, including hard-scattering matrix elements, parton distributions, initial- and final-state radiation, multiple interactions, beam remnants, fragmentation, and decays. It also outlines the programming aspects and provides a brief summary of the new versions, highlighting significant improvements and changes compared to previous versions. The programs are designed to handle complex event generation, with detailed simulations of various physics aspects, and are widely used in high-energy physics experiments at various accelerators. The paper concludes with a discussion on future developments and potential improvements.The paper provides an overview of the PYTHIA 5.7 and JETSET 7.4 programs, which are key components of the 'Lund Monte Carlo' suite used for generating high-energy physics events. These programs simulate the interactions between particles, aiming to reproduce the average behavior and fluctuations of real data. The underlying physics is not fully understood, so the programs incorporate a combination of analytical results and models. The paper discusses the main physics components of the current versions, including hard-scattering matrix elements, parton distributions, initial- and final-state radiation, multiple interactions, beam remnants, fragmentation, and decays. It also outlines the programming aspects and provides a brief summary of the new versions, highlighting significant improvements and changes compared to previous versions. The programs are designed to handle complex event generation, with detailed simulations of various physics aspects, and are widely used in high-energy physics experiments at various accelerators. The paper concludes with a discussion on future developments and potential improvements.
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