PoS - Proceedings of Science
Volume 395 - 37th International Cosmic Ray Conference (ICRC2021) - MM - Multi-Messenger
CRPropa 3.2: a framework for high-energy astroparticle propagation
R. Alves Batista*, J. Becker Tjus, J. Dörner, A. Dundovic, B. Eichmann, A. Frie, C. Heiter, M.R. Hoerbe, K.H. Kampert, L. Merten, G. Müller, P. Reichherzer, A. Saveliev, L. Schlegel, G. Sigl, A. van Vliet and T. Winchen
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Pre-published on: July 06, 2021
Published on: March 18, 2022
The landscape of high- and ultra-high-energy astrophysics has changed in the last decade, in large part owing to the inflow of high-quality data collected by present cosmic-ray, gamma-ray, and neutrino observatories. At the dawn of the multimessenger era, the interpretation of these observations within a consistent framework is important to elucidate the open questions in this field. CRPropa 3.2 is a Monte Carlo code for simulating the propagation of high-energy particles in the Universe. This new version represents a step further towards a more complete simulation framework for multimessenger studies. Some of the new developments include: cosmic-ray acceleration, support for particle interactions within astrophysical sources, full Monte Carlo treatment of electromagnetic cascades, improved ensemble-averaged Galactic propagation, and a number of technical enhancements. Here we present some of these novel features and some applications to gamma- and cosmic-ray propagation.
DOI: https://doi.org/10.22323/1.395.0978
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