A basic model for high energy cosmic ray interactions

Fuente: arXiv
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Main Authors: Ostapchenko, Sergey, Pierog, Tanguy, Sigl, Günter
Format: Preprint
Published: 2026
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author Ostapchenko, Sergey
Pierog, Tanguy
Sigl, Günter
author_facet Ostapchenko, Sergey
Pierog, Tanguy
Sigl, Günter
contents A Monte Carlo generator of high energy cosmic ray interactions, relying on a very basic and transparent theoretical formalism, in the framework of the Reggeon Field Theory, is presented. The main motivation for our work is to provide a new cosmic ray interaction model characterized by relatively transparent physics, sufficient parameter freedom, and a high computational efficiency, which can be easily managed by external users, including a re-tuning of the model parameters. Such a model can be used for studying potential modifications of the interaction treatment, necessary for describing particular sets of data on extensive air showers initiated by high energy cosmic rays, at a microscopic level, thereby keeping a consistency with general restrictions, like the unitarity, energy-momentum and charge conservation, Lorentz and isospin invariance. Importantly, this should allow one to study a compatibility of such modifications with relevant accelerator data. The model results for particle production and for basic extensive air shower characteristics are presented and discussed.
format Preprint
id arxiv_https___arxiv_org_abs_2603_12863
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle A basic model for high energy cosmic ray interactions
Ostapchenko, Sergey
Pierog, Tanguy
Sigl, Günter
High Energy Physics - Phenomenology
High Energy Astrophysical Phenomena
A Monte Carlo generator of high energy cosmic ray interactions, relying on a very basic and transparent theoretical formalism, in the framework of the Reggeon Field Theory, is presented. The main motivation for our work is to provide a new cosmic ray interaction model characterized by relatively transparent physics, sufficient parameter freedom, and a high computational efficiency, which can be easily managed by external users, including a re-tuning of the model parameters. Such a model can be used for studying potential modifications of the interaction treatment, necessary for describing particular sets of data on extensive air showers initiated by high energy cosmic rays, at a microscopic level, thereby keeping a consistency with general restrictions, like the unitarity, energy-momentum and charge conservation, Lorentz and isospin invariance. Importantly, this should allow one to study a compatibility of such modifications with relevant accelerator data. The model results for particle production and for basic extensive air shower characteristics are presented and discussed.
title A basic model for high energy cosmic ray interactions
topic High Energy Physics - Phenomenology
High Energy Astrophysical Phenomena
url https://arxiv.org/abs/2603.12863