Accès ouvert déclaré
2021
article
The energy spectrum of cosmic rays beyond the turn-down around $10^{17}$ eV as measured with the surface detector of the Pierre Auger Observatory
P. Abreu, M. Aglietta, Justin M. Albury, I. Allekotte, A. Almela, Jaime Álvarez-Muñiz, Rafael Alves Batista, Gioacchino Alex Anastasi, Luis A. Anchordoqui, Belén Andrada, S. Andringa, C. Aramo, Paulo Ricardo Araújo Ferreira, Juan Carlos Arteaga Velázquez, H. Asorey, P. Assis, Gualberto Avila, Alina Mihaela Badescu, Alena Bakalová, A. Balaceanu, Felicia Barbato, Ricardo Jorge Barreira Luz, K. Becker, Jose A. Bellido, Corinne Bérat, M.E. Bertaina, X. Bertou, Peter L. Biermann, P. Billoir, Virginia Binet, Kathrin Bismark, Teresa Bister, Jonathan Biteau, Jiří Blažek, C. Bleve, Denise Boncioli, C. Bonifazi, Luan Bonneau Arbeletche, Nataliia Borodai, Ana Martina Botti, J. Brack, T. Bretz, P. Gabriel Brichetto Orchera, F.L. Briechle, P. Buchholz, A. Bueno, S. Buitink, Mario Buscemi, Max Büsken, K. S. Caballero‐Mora, Lorenzo Caccianiga, Fabrizia Canfora, Ioana Caracas, J. M. Carceller, R. Caruso, A. Castellina, Fernando Catalani, G. Cataldi, Lorenzo Cazon, M. Cerda, J. A. Chinellato, J. Chudoba, L. Chytka, R. W. Clay, A.C. Cobos Cerutti, Roberta Colalillo, Alan Coleman, M.R. Coluccia, R. Conceição, Antonio Condorelli, Giovanni Consolati, F. Contreras, Fabio Convenga, Diego Correia dos Santos, C. E. Covault, S. Dasso, K. Daumiller, B. R. Dawson, J.A. Day, R. M. de Almeida, Joaquín de Jesús, S. J. de Jong, G. De Mauro, I. De Mitri, Jaime de Oliveira, Danelise de Oliveira Franco, Emanuele De Vito, M. del Río, O. Deligny, Armando di Matteo, C. Dobrigkeit, Juan Carlos D’Olivo, Luis Miguel Domingues Mendes, R.C. dos Anjos, D. dos Santos, M.T. Dova, Jan Ebr, R. Engel, Italo Epicoco, M. Erdmann, C. O. Escobar, A. Etchegoyen, H. Falcke, John Farmer, G. Farrar, A. C. Fauth, N. Fazzini, Fridtjof Feldbusch, Francesco Fenu, Brian Fick, J.M. Figueira, A. Filipčić, Thomas Fitoussi, Tomáš Fodran, M. M. Freire, Toshihiro Fujii, A. Fuster, C. Galea, C. Galelli, B. Garćıa, Adrianna Luz García Vegas, H. Gemmeke, F. Gesualdi, A. Gherghel‐Lascu, P.L. Ghia, U. Giaccari, Marco Giammarchi, Jonas Glombitza, Fabian Gobbi, Fernando Gollan, G. Golup, M. Gómez Berisso, Primo F. Gómez Vitale, J.M. González, Nicolás Martín González, I. Goos, D. Góra, A. Gorgi, M. Gottowik, T. D. Grubb, F. Guarino, G. P. Guedes, Eleonora Guido, S. R. Hahn, P. Hamal, Matías Rolf Hampel, P. H. Hansen, D. Harari, Violet M. Harvey, A. Haungs, T. Hebbeker, D. Heck, G. C. Hill, C. Hojvat, J.R. Hörandel, Pavel Horváth, Miroslav Hrabovský, T. Huege, A. Insolia, Paula Gina Isar, P. Janeček, J.A. Johnsen, Jakub Jurýšek, A. Kääpä, K.‐H. Kampert, N. Karastathis, B. Keilhauer, J. Kemp, Abha Khakurdikar, Varada Varma Kizakke Covilakam, H.O. Klages, M. Kleifges, J. Kleinfeller, Marcel Köpke, N. Kunka, Bruno L. Lago, R.G. Lang, Niklas Langner, M. A. Leigui de Oliveira, Vladimir Lenok, A. Letessier‐Selvon, Isabelle Lhenry-Yvon, D. Lo Presti, L. Lopes, R. López, L. Lu, Quentin Luce, Jon Paul Lundquist, Allan Machado Payeras, G. Mancarella, Dušan Mandát, Bradley C. Manning, J. Manshanden, P. Mantsch, S. Marafico, A. G. Mariazzi, Ioana Codrina Mariş, G. Marsella, D. Martello, Sara Martinelli, H. Martínez, O. Martı́nez, Massimo Mastrodicasa, H.J. Mathes, J. Matthews, G. Matthiae, Eric William Mayotte, P. O. Mazur, G. Medina-Tanco, D. Melo, A. Menshikov, Kevin-Druis Merenda, S. Michal, María Isabel Micheletti, L. Miramonti, D. Mockler, S. Mollerach, F. Montanet, C. Morello, M. Mostafá, Ana L. Müller, Markus Müller, Katharine Mulrey, R. Mussa, Marco Stein Muzio, Wilson M. Namasaka, Alina Nasr-Esfahani, L. Nellen, M. Niculescu‐Oglinzanu, Marcus Niechciol, D. Nitz, Dalibor Nosek, Vladimír Novotný, L. Nožka, Achille Nucita, Luis A. Núñez, M. Palatka, J. Pallotta, P. Papenbreer, G. Parente, A. Parra, J. Pawlowsky, M. Pech, J. Pękala, R. Pelayo, Jesús Peña-Rodríguez, Edyvânia Emily Pereira Martins, Johnnier Perez Armand, Carmina Pérez Bertolli, Matías Perlin, Lorenzo Perrone, S. Petrera, T. Pierog, M. Pimenta, V. Pirronello, M. Platino, Bjarni Pont, Mart Pothast, Paolo Privitera, M. Prouza, Andrew Puyleart, S. Querchfeld, J. Rautenberg, D. Ravignani, Maximilian Reininghaus, J. Řídký, Felix Riehn, M. Risse, V. Rizi, W. Rodrigues de Carvalho, Juan Rojo, M.J. Roncoroni, M. Roth, E. Roulet, Adrián Rovero, Philip Ruehl, S. J. Saffi, A. Sǎftoiu, F. Salamida, H. Salazar, G. Salina, Jose Sanabria Gomez, F. Sánchez, Edivaldo Moura Santos, F. Sarazin, R. Sarmento, C. Sarmiento‐Cano, R. Sato, Pierpaolo Savina, Christoph M. Schäfer, Viviana Scherini, H. Schieler, Martin Schimassek, M. Schimp, Felix Schlüter, D. Schmidt, O. Schölten, Petr Schovánek, Frank Schröder, S. Schröder, J. F. Schulte, A. Schulz, S.J. Sciutto, Marina Scornavacche, A. Segreto, S. Sehgal, R.C. Shellard, G. Sigl, G. Silli, O. Sima, Radomir Šmída, Paul Sommers, Jorge F. Soriano, Julien Souchard, R. Squartini, Maximilian Stadelmaier, Denis Stanca, S. Stanič, Jarosław Stasielak, Patrick Stassi, A. Streich, Mauricio Suárez‐Durán, Tristan Sudholz, T. Suomijärvi, A. D. Supanitsky, Zbigniew Szadkowski, A. Tapia, Carla Taricco, C. Timmermans, Olena Tkachenko, Petr Tobiška, Carlos J. Todero Peixoto, B. Tomé, Zoé Torrès, Andres Travaini, P. Trávnı́ček, C. Trimarelli, Matias Jorge Tueros, R. Ulrich, M. Unger, Lukáš Vaclavek, Martin Vacula, Jose F. Valdés Galicia, L. Valore, Enrique Varela, Adriana Vásquez-Ramírez, Darko Veberič, Cynthia Ventura, Indira D. Vergara Quispe, V. Verzi, J. Vícha, J. Vink, S. Vorobiov, H. Wahlberg, Clara Keiko Oliveira Watanabe, A.A. Watson, M. Weber, Andreas Weindl, L. Wiencke, H. Wilczyński, M. Wirtz, D. Wittkowski, B. Wundheiler, Alexey Yushkov, Orazio Zapparrata, E. Zas, Danilo Zavrtanik, M. Zavrtanik, L. Zehrer
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Résumé fourni par la source
We 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.
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Sujets associés
Astrophysics and Cosmic PhenomenaDark Matter and Cosmic PhenomenaNeutrino Physics Research