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Upper limits on the cosmic-ray luminosity of supernovae in nearby galaxies
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SYSNO ASEP 0566030 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Upper limits on the cosmic-ray luminosity of supernovae in nearby galaxies Author(s) Sasse, R. (BR) Number of authors 2 Article number 461 Source Title Proceedings of Science, International Cosmic Ray Conference (ICRC2021), 395. - Trieste : Sissa Medilab srl, 2022 - ISSN 1824-8039 Number of pages 6 s. Publication form Online - E Action International Cosmic Ray Conference /37./ Event date 12.07.2021 - 23.07.2021 VEvent location Berlin Country DE - Germany Event type WRD Language eng - English Country IT - Italy Keywords cosmic microwave background ; extragalactic background light Subject RIV BF - Elementary Particles and High Energy Physics OECD category Particles and field physics Research Infrastructure AUGER-CZ II - 90102 - Fyzikální ústav AV ČR, v. v. i. DOI 10.22323/1.395.0461 Annotation Interactions between cosmic rays and also between cosmic rays and particles of the Cosmic Microwave Background and the Extragalactic Background Light produce charged and neutral pions. The mechanisms that can produce gamma-ray fluxes associated with cosmic rays are the decay of neutral pions, bremsstrahlung, and inverse Compton scattering from pions. These cascading processes show a correlation between the upper limit on the integral GeV-TeV gamma-ray flux and the upper limit on the UHECR luminosity, motivating the study of the multi-messengers to calculate luminosities of UHECRs for specific point sources.
Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2023
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