학술논문
Neutrino propagation through Earth: modeling uncertainties using nuPyProp
Document Type
Working Paper
Author
Garg, Diksha; Reno, Mary Hall; Patel, Sameer; Ruestle, Alexander; Akaike, Yosui; Anchordoqui, Luis A.; Bergman, Douglas R.; Buckland, Isaac; Cummings, Austin L.; Eser, Johannes; Garcia, Fred; Guépin, Claire; Heibges, Tobias; Ludwig, Andrew; Krizmanic, John F.; Mackovjak, Simon; Mayotte, Eric; Mayotte, Sonja; Olinto, Angela V.; Paul, Thomas C.; Romero-Wolf, Andrés; Sarazin, Frédéric; Venters, Tonia M.; Wiencke, Lawrence; Wissel, Stephanie
Source
Subject
Language
Abstract
Using the Earth as a neutrino converter, tau neutrino fluxes from astrophysical point sources can be detected by tau-lepton-induced extensive air showers (EASs). Both muon neutrino and tau neutrino induced upward-going EAS signals can be detected by terrestrial, sub-orbital and satellite-based instruments. The sensitivity of these neutrino telescopes can be evaluated with the nuSpaceSim package, which includes the nuPyProp simulation package. The nuPyProp package propagates neutrinos ($\nu_\mu$, $\nu_\tau$) through the Earth to produce the corresponding charged leptons (muons and tau-leptons). We use nuPyProp to quantify the uncertainties from Earth density models, tau depolarization effects and photo-nuclear electromagnetic energy loss models in the charged lepton exit probabilities and their spectra. The largest uncertainties come from electromagnetic energy loss modeling, with as much as a 20-50% difference between the models. We compare nuPyProp results with other simulation package results.
Comment: 9 pages, 6 figures, Proceedings for International Cosmic Ray Conference (ICRC) 2023
Comment: 9 pages, 6 figures, Proceedings for International Cosmic Ray Conference (ICRC) 2023