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Title: Cherenkov Telescope Array potential in the search for Galactic PeVatrons Authors: ID Angüner, E.O. (Author) ID Eckner, Christopher (Author) ID Kukec Mezek, Gašper (Author) ID Stanič, Samo (Author) ID Vorobiov, Serguei (Author) ID Yang, Lili (Author) ID Zaharijas, Gabrijela (Author) ID Zavrtanik, Danilo (Author) ID Zavrtanik, Marko (Author) ID Zehrer, Lukas (Author), et al. Files: ICRC2019_618.pdf (677,22 KB) MD5: 3D3AF627FD383A346879A60249C9A661   https://pos.sissa.it/358/618/pdf   https://pos.sissa.it/358/   This document has even more files. Complete list of files is available below. Language: English Work type: Not categorized Typology: 1.08 - Published Scientific Conference Contribution Organization: UNG - University of Nova Gorica Abstract: One of the major scientific objectives of the future Cherenkov Telescope Array (CTA) Observatory is the search for PeVatrons. PeVatrons are cosmic-ray factories able to accelerate nuclei at least up to the knee feature seen in the spectrum of cosmic rays measured near the Earth. CTA will perform a survey of the full Galactic plane at TeV energies and beyond with unprecedented sensitivity. The determination of efficient criteria to identify PeVatron candidates during the survey is essential in order to trigger further dedicated observations. Here, we present results from a study based on simulations to determine these criteria. The outcome of the study is a PeVatron figure of merit, defined as a metric that provides relations between spectral parameters and spectral cutoff energy lower limits. In addition, simulations of the PeVatron candidate HESS J1641−463 and its parental particle spectrum are presented and discussed. Eventually, our work is applied to simulated population of Galactic PeVatrons, with the aim to determine the sensitivity of CTA. Keywords: Galactic cosmic rays, very-high-energy gamma rays, Galactic PeVatrons, Cherenkov Telescope Array (CTA) Observatory, Galactic plane survey, H.E.S.S. J1641−463 PeVatron candidate Publication status: Published Publication version: Version of Record Year of publishing: 2019 PID: 20.500.12556/RUNG-9462  COBISS.SI-ID: 214297603  NUK URN: URN:SI:UNG:REP:XN085ERJ Publication date in RUNG: 08.11.2024 Views: 299 Downloads: 5 Metadata:    Cite this work Plain text BibTeX EndNote XML EndNote/Refer RIS ABNT ACM Ref AMA APA Chicago 17th Author-Date Harvard IEEE ISO 690 MLA Vancouver : Copy citation

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Record is a part of a monograph

Title:	Proceedings of the 36th International Cosmic Ray Conference : ICRC2019, July 24th - August 1st, 2019, Madison, WI, U.S.A.
Place of publishing:	SISSA, Trieste
Year of publishing:	2019

Document is financed by a project

Funder:	ARIS - Slovenian Research and Innovation Agency
Funding programme:	Raziskovalni program
Project number:	P1-0031
Name:	Večglasniška astrofizika

Licences

License:	CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Link:	http://creativecommons.org/licenses/by-nc-nd/4.0/
Description:	The most restrictive Creative Commons license. This only allows people to download and share the work for no commercial gain and for no other purposes.

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