PoS - Proceedings of Science
Volume 444 - 38th International Cosmic Ray Conference (ICRC2023) - Cosmic-Ray Physics (Indirect, CRI)
CHASM (CHerenkov Air Shower Model)
I. Buckland* and D. Bergman
Full text: pdf
Pre-published on: July 25, 2023
Published on:
CHASM (CHerenkov Air Shower Model) is a python package which leverages the universality of charged particles in an extensive air shower to produce a deterministic prediction of the Cherenkov light signal for a given shower profile and geometry. At sampled points throughout the domain of all shower development stages and altitudes, the angular and yield distributions of Cherenkov light have been calculated at an array of distances from a shower axis. Chasm accesses and interpolates between these distributions at runtime to produce the aggregate signal from the whole shower at user defined telescope locations. This paper gives a detailed description of the methods used to compute the Cherenkov distribution tables from universal charged particle energy and angular distributions. It also describes the workflow of CHASM itself, how a shower and axis is constructed, and how a user can customize the simulation. Finally, this paper describes how to install CHASM both from source code on GitHub and using pip (python's built in package manager) and how to use it.
DOI: https://doi.org/10.22323/1.444.0325
How to cite

Metadata are provided both in "article" format (very similar to INSPIRE) as this helps creating very compact bibliographies which can be beneficial to authors and readers, and in "proceeding" format which is more detailed and complete.

Open Access
Creative Commons LicenseCopyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.