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The energy spectrum of cosmic rays beyond the turn-down around 10.sup.17./sup. eV as measured with the surface detector of the Pierre Auger Observatory
- 1.0550822 - FZÚ 2022 RIV DE eng J - Článek v odborném periodiku
Abreu, P. - Aglietta, M. - Albury, J.M. - Bakalová, Alena - Blažek, Jiří - Boháčová, Martina - Chudoba, Jiří - Ebr, Jan - Hamal, Petr - Janeček, Petr - Juryšek, Jakub - Mandát, Dušan - Palatka, Miroslav - Pech, Miroslav - Prouza, Michael - Řídký, Jan - dos Santos, Eva M. Martins - Schovánek, Petr - Tobiška, Petr - Trávníček, Petr - Vícha, Jakub - Yushkov, Alexey … celkem 376 autorů
The energy spectrum of cosmic rays beyond the turn-down around 1017 eV as measured with the surface detector of the Pierre Auger Observatory.
European Physical Journal C. Roč. 81, č. 11 (2021), č. článku 966. ISSN 1434-6044. E-ISSN 1434-6052
Grant CEP: GA MŠMT LTT18004; GA MŠMT(CZ) EF18_046/0016010; GA MŠMT EF16_013/0001402; GA MŠMT LM2015038
Grant ostatní: OP VVV - AUGERII.CZ(XE) CZ.02.1.01/0.0/0.0/18_046/0016010; OP VVV - AUGER-CZ(XE) CZ.02.1.01/0.0/0.0/16_013/0001402
Výzkumná infrastruktura: AUGER-CZ II - 90102
Institucionální podpora: RVO:68378271
Klíčová slova: Pierre Auger Observatory * high energy * telescopes cosmic rays * surface detector
Obor OECD: Particles and field physics
Impakt faktor: 4.994, rok: 2021
Způsob publikování: Open access
We present a measurement of the cosmic-ray spectrum above 100PeV using the part of the surface detector of the Pierre Auger Observatory that has a spacing of 750 m. An inflection of the spectrum is observed, confirming the presence of the so-called second-knee feature. The spectrum is then combined with that of the 1500m array to produce a single measurement of the flux, linking this spectral feature with the three additional breaks at the highest energies. The combined spectrum, with an energy scale set calorimetrically via fluorescence telescopes and using a single detector type, results in the most statistically and systematically precise measurement of spectral breaks yet obtained. These measurements are critical for furthering our understanding of the highest energy cosmic rays.
Trvalý link: http://hdl.handle.net/11104/0326129
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