In:
SciPost Physics Codebases, Stichting SciPost
Abstract:
This manual describes the Pythia event generator, the most recent
version of an evolving physics tool used to answer fundamental questions in particle physics. The program is most often used to generate
high-energy-physics collision “events”, i.e. sets of particles produced in association with the collision of two incoming high-energy particles,
but has several uses beyond that. The guiding philosophy is to produce and re-produce properties of experimentally obtained collisions as
accurately as possible. The program includes a wide ranges of reactions within and beyond the Standard Model, and extending to heavy ion
physics. Emphasis is put on phenomena where strong interactions play a major role. The manual contains both pedagogical and practical
components. All included physics models are described in enough detail to allow the user to obtain a cursory overview of used assumptions and
approximation s, enabling an informed evaluation of the program output. A
number of the most central algorithms are described in enough detail that the main results of the program can be reproduced independently,
allowing further development of existing models or the addition of new ones. Finally, a chapter dedicated fully to the user is included towards
the end, providing pedagogical examples of standard use cases, and a detailed description of a number of external interfaces. The program
code, the online manual, and the latest version of this print manual can be found on the Pythia web page: https://www.pythia.org/.
Type of Medium:
Online Resource
DOI:
10.21468/SciPostPhysCodeb
DOI:
10.21468/SciPostPhysCodeb.8-r8.3
Language:
Unknown
Publisher:
Stichting SciPost
Publication Date:
2022
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