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Hadron interactions for arbitrary energies and species, with applications to cosmic rays

Sjöstrand, Torbjörn LU orcid and Utheim, Marius LU (2022) In European Physical Journal C 82(1).
Abstract

The Pythia event generator is used in several contexts to study hadron and lepton interactions, notably p p and p p ¯ collisions. In this article we extend the hadronic modelling to encompass the collision of a wide range of hadrons h with either a proton or a neutron, or with a simplified model of nuclear matter. To this end we model hp total and partial cross sections as a function of energy, and introduce new parton distribution functions for a wide range of hadrons, as required for a proper modelling of multiparton interactions. The potential usefulness of the framework is illustrated by a simple study of the evolution of cosmic rays in the atmosphere, and by an even simpler one of shower evolution in a solid detector material. The... (More)

The Pythia event generator is used in several contexts to study hadron and lepton interactions, notably p p and p p ¯ collisions. In this article we extend the hadronic modelling to encompass the collision of a wide range of hadrons h with either a proton or a neutron, or with a simplified model of nuclear matter. To this end we model hp total and partial cross sections as a function of energy, and introduce new parton distribution functions for a wide range of hadrons, as required for a proper modelling of multiparton interactions. The potential usefulness of the framework is illustrated by a simple study of the evolution of cosmic rays in the atmosphere, and by an even simpler one of shower evolution in a solid detector material. The new code will be made available for future applications.

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author
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publishing date
type
Contribution to journal
publication status
published
subject
in
European Physical Journal C
volume
82
issue
1
article number
21
publisher
Springer
external identifiers
  • scopus:85122481769
ISSN
1434-6044
DOI
10.1140/epjc/s10052-021-09953-5
language
English
LU publication?
yes
additional info
Publisher Copyright: © 2022, The Author(s).
id
28606ba2-78df-4ea6-91e3-647ff14620e6
date added to LUP
2022-02-11 16:22:41
date last changed
2024-04-23 22:01:11
@article{28606ba2-78df-4ea6-91e3-647ff14620e6,
  abstract     = {{<p>The Pythia event generator is used in several contexts to study hadron and lepton interactions, notably p p and p p ¯ collisions. In this article we extend the hadronic modelling to encompass the collision of a wide range of hadrons h with either a proton or a neutron, or with a simplified model of nuclear matter. To this end we model hp total and partial cross sections as a function of energy, and introduce new parton distribution functions for a wide range of hadrons, as required for a proper modelling of multiparton interactions. The potential usefulness of the framework is illustrated by a simple study of the evolution of cosmic rays in the atmosphere, and by an even simpler one of shower evolution in a solid detector material. The new code will be made available for future applications.</p>}},
  author       = {{Sjöstrand, Torbjörn and Utheim, Marius}},
  issn         = {{1434-6044}},
  language     = {{eng}},
  number       = {{1}},
  publisher    = {{Springer}},
  series       = {{European Physical Journal C}},
  title        = {{Hadron interactions for arbitrary energies and species, with applications to cosmic rays}},
  url          = {{http://dx.doi.org/10.1140/epjc/s10052-021-09953-5}},
  doi          = {{10.1140/epjc/s10052-021-09953-5}},
  volume       = {{82}},
  year         = {{2022}},
}