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Probing the energy spectrum of hadrons in proton air interactions at ultrahigh energies through the fluctuations of the muon content of extensive air showers
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SYSNO ASEP 0547048 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Probing the energy spectrum of hadrons in proton air interactions at ultrahigh energies through the fluctuations of the muon content of extensive air showers Author(s) Cazon, L. (PT) Number of authors 3 Source Title Physics Letters. B. - : Elsevier - ISSN 0370-2693
Roč. 784, September (2018), s. 68-76Number of pages 9 s. Language eng - English Country NL - Netherlands Keywords high energy hadron interactions ; ultrahigh energy cosmic rays ; extensive air showers Subject RIV BF - Elementary Particles and High Energy Physics OECD category Particles and field physics Research Infrastructure AUGER-CZ - 90038 - Fyzikální ústav AV ČR, v. v. i. Method of publishing Open access UT WOS 000445781600013 EID SCOPUS 85050456941 DOI 10.1016/j.physletb.2018.07.026 Annotation We demonstrate that the shower-to-shower fluctuations of the muon content of extensive air showers correlate with the fluctuations of a variable of the first interaction of Ultra High Energy Cosmic Rays, which is computed from the fraction of energy carried by the hadrons that sustain the hadronic cascade. The influence of subsequent stages of the shower development is found to play a sub-dominant role. As a consequence, the shower-to-shower distribution of the muon content is a direct probe of the hadron energy spectrum of interactions beyond those reachable in human-made accelerators. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2022 Electronic address https://doi.org/10.1016/j.physletb.2018.07.026
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