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The energy spectrum of cosmic rays beyond the turn-down around $$\varvec{10^{17}}$$ eV as measured with the surface detector of the Pierre Auger Observatory

descriptionPublicationkeyboard_double_arrow_right Article , Research , Preprint , Journal 01 Nov 2021Embargo end date: 01 Jan 2021 Czech Republic, Netherlands, Czech Republic, Italy, Italy, Netherlands, Italy, Belgium, Italy, Spain, Italy, Slovenia, France, Netherlands, Argentina, Netherlands, Italy, Germany, Germany, Argentina, Italy, Netherlands Publisher:Springer Science and Business Media LLCJournal:The European Physical Journal C, volume 81 (issn: 1434-6044, eissn: 1434-6052,

Authors: G. Medina-Tanco; J. Stasielak; G. Farrar; Trent D. Grubb; Sullivan Marafico; F. C. T. Barbato; Rodrigo Guedes Lang; +193 Authors

G. Medina-Tanco; J. Stasielak; G. Farrar; Trent D. Grubb; Sullivan Marafico; F. C. T. Barbato; Rodrigo Guedes Lang; P. Abreu; Kai Daumiller; Adriana Vásquez-Ramírez; E.E. Pereira Martins; E.E. Pereira Martins; S. Querchfeld; Andres Travaini; Juan Manuel González; V. Scherini; François Montanet; Jonathan Blazek; Eleonora Guido; Marcel Köpke; J. de Oliveira; D. Lo Presti; A. M. Botti; Juan Miguel Carceller; O. Martínez Bravo; Jacco Vink; L. Perrone; M. Risse; A. Parra; A. Saftoiu; A. Machado Payeras; H. Wilczyński; Gualberto Avila; J. R. T. de Mello Neto; A.L. Garcia Vegas; I. Allekotte; B. Tome; Marc Weber; Kathrin Bismark; Kathrin Bismark; A. Di Matteo; Lorenzo Cazon; C. Pérez Bertolli; C. Pérez Bertolli; Alina Nasr-Esfahani; Paolo Privitera; Miguel Mostafa; M. E. Bertaina; W. M. Namasaka; Fabio Convenga; C. J.W.P. Timmermans; Fabian Gobbi; Fernando Contreras; L. Valore; A. Streich; A. Streich; Giovanni Consolati; Karen S. Caballero-Mora; Q. Luce; Raul Sarmento; M. Schimassek; M. Schimassek; Esteban Roulet; A. Haungs; J. Pȩkala; Martin Vacula; Virginia Binet; Vladimir Lenok; Niklas Langner; Carlos Escobar; Antonella Castellina; M. R. Hampel; Nataliia Borodai; A. A. Nucita; N. Kunka; Marco Aglietta; M. Zavrtanik; A.C. Cobos Cerutti; J. Rautenberg; R. López; Clara Keiko Oliveira Watanabe; R. Squartini; Josina Schulte; J. Vicha; M. del Río; Florian Lukas Briechle; Maximilian Stadelmaier; Maximilian Stadelmaier; G. De Mauro; J. Kleinfeller; M. Platino; John Matthews; M. Wirtz; S. Petrera; Giovanni Mancarella; Jon Paul Lundquist; Humberto Ibarguen Salazar; Octavian Sima; L. Nožka; Rossella Caruso; G. C. Hill; Carla Taricco; Kevin-Druis Merenda; Juan Pablo Gongora; Antonio Condorelli; Pierre Billoir; Philipp Papenbreer; Lino Miramonti; G. Golup; Carlo Ventura; G. Parente; Denis Stanca; Felix Schlüter; Felix Schlüter; Peter Buchholz; B. Andrada; R. Alves Batista; Toshihiro Fujii; Toshihiro Fujii; H. Martinez; A. Insolia; G. Cataldi; Alan Coleman; Corinne Berat; Cristina Galea; Alina Mihaela Badescu; G. P. Guedes; L. Lu; Orazio Zapparrata; B. Wundheiler; A. Filipčič; Peter L. Biermann; A. Weindl; Maria-Teresa Dova; Marcus Niechciol; E. De Vito; Jan Ebr; Jonathan Biteau; Isabel Goos; Isabel Goos; Jonas Glombitza; Fridtjof Feldbusch; D. D. dos Santos; Jeffrey Brack; V. de Souza; Radomir Smida; H.O. Klages; Jörg R. Hörandel; Ladislav Chytka; A. C. Fauth; M. I. Micheletti; Ioana Caracas; Julien Manshanden; L. Zehrer; W. Rodrigues de Carvalho; Vincenzo Rizi; Martina Bohacova; Zoé Torrès; Thomas Hebbeker; Frank G. Schröder; Frank G. Schröder; Petr Hamal; Alena Bakalova; Günter Sigl; Lukáš Vaclavek; J. Ridky; F. Riehn; Tomáš Fodran; K. Mulrey; Miroslav Pech; Juan Carlos D'Olivo; D. Ravignani; E. Varela; Markus Roth; M. A. Leigui de Oliveira; Claudio Galelli; Antonio Bueno; Marco Giammarchi; M. Palatka; R. Sato; Roberto Mussa; Olivier Deligny; C. Hojvat; Fabrizia Canfora; Sara Martinelli; Sara Martinelli; L. M. Domingues Mendes; David Wittkowski; P.R. Araújo Ferreira; Max Büsken; Max Büsken; Thomas Bretz; S. J. De Jong; M. Unger; Carla Aramo; M. Kleifges; Daniela Mockler; Daniela Mockler; Marcos Cerda; Serguei Vorobiov;

doi: 10.1140/epjc/s10052-021-09700-w , 10.48550/arxiv.2109.13400 , 10.18154/rwth-2021-12100 , 10.18154/rwth-2022-00047

arXiv: http://arxiv.org/abs/2109.13400 , 2109.13400

handle: https://repository.ubn.ru.nl/handle/2066/239867 , 11588/890384 , 11245.1/e277820a-6074-4fdc-9cd2-9d87842d0efe , 2066/239867 , 2434/1033134 , 10481/71942 , 20.500.12556/RUNG-6965 , 11311/1189557 , 20.500.14017/fb76dc10-e5e8-4ff6-88c2-75af44762dfb , 11697/176134 , 11587/458363 , 20.500.11769/526705 , 2318/1841975 , 2133/23683

The energy spectrum of cosmic rays beyond the turn-down around $$\varvec{10^{17}}$$ eV as measured with the surface detector of the Pierre Auger Observatory

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Abstract

AbstractWe present a measurement of the cosmic-ray spectrum above 100 PeV 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 1500 m 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.

Countries

Czech Republic, Netherlands, Czech Republic, Italy, Italy, Netherlands, Italy, Belgium, Italy, Spain, Italy, Slovenia, France, Netherlands, Argentina, Netherlands, Italy, Germany, Germany, Argentina, Italy, Netherlands

Related Organizations

Federal University of Rio de Janeiro
Brazil
National Scientific and Technical Research Council
Argentina
University of Chicago
United States
Charles University
Czech Republic
National Autonomous University of Mexico
Mexico

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Keywords

Cosmic ray showers, high energy, surface detector, Astronomy, spectrum, Observatorij Pierre Auger, info:eu-repo/classification/ddc/530, astro-ph.HE, High Energy Astrophysical Phenomena (astro-ph.HE), cosmic radiation: spectrum, Pierre Auger Observatory, info:eu-repo/classification/udc/539.1, 520, Auger, observatory, High energy, cosmic radiation, fluorescence, Astrophysics - High Energy Astrophysical Phenomena, energy, ddc:620, spektertalni detektor, energy spectrum, FOS: Physical sciences, 530, detector: fluorescence, calorimeter, Extensive air showers, surface, High Energy Physics, cosmic radiation: UHE, Engineering & allied operations, cosmic radiation: energy spectrum, detector, detector: surface, kozmični žarki, 620, telescopes cosmic rays, flux, spectral, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], [PHYS.ASTR] Physics [physics]/Astrophysics [astro-ph], info:eu-repo/classification/ddc/620, ultra-high energy cosmic rays, energy spectrum features.