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Testing cosmology and fundamental physics with the Cherenkov Telescope Array
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SYSNO ASEP 0551927 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Testing cosmology and fundamental physics with the Cherenkov Telescope Array Author(s) Martínez-Huerta, H. (BR) Number of authors 6 Article number 0739 Source Title Proceedings of Science, 36th International Cosmic Ray Conference, 358. - Trieste : Sissa Medilab srl, 2021 - ISSN 1824-8039 Pages s. 1-8 Number of pages 8 s. Publication form Online - E Action International Cosmic Ray Conference (ICRC2019) /36./ Event date 24.07.2019 - 01.08.2019 VEvent location Madison, WI Country US - United States Event type WRD Language eng - English Country IT - Italy Keywords Cherenkov Telescope Array ; extragalactic background light Subject RIV BF - Elementary Particles and High Energy Physics OECD category Particles and field physics Research Infrastructure CTA-CZ II - 90105 - Fyzikální ústav AV ČR, v. v. i.
AUGER-CZ II - 90102 - Fyzikální ústav AV ČR, v. v. i.DOI 10.22323/1.358.0739 Annotation The Cherenkov Telescope Array (CTA) is the next generation ground-based observatory for γ-ray astronomy at energies above 30 GeV. Thanks to its unique capabilities, CTA observations will address a plethora of open questions in astrophysics, ranging from the origin of cosmic messengers to the exploration of the frontiers of physics. In this note, we present a comprehensive sensitivity study to assess the potential of CTA to measure the γ-ray absorption on the extragalactic background light (EBL), to constrain or detect intergalactic magnetic fields (IGMFs), and probe physics beyond the standard model such as axion-like particles (ALPs) and Lorentz invariance violation (LIV), which could modify the γ-ray spectra features expected from EBL absorption. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2022 Electronic address https://pos.sissa.it/358/739/pdf
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