作者
A Aab, P Abreu, MARCO Aglietta, JM Albury, I Allekotte, A Almela, J Alvarez Castillo, J Alvarez-Muñiz, GA Anastasi, L Anchordoqui, B Andrada, S Andringa, C Aramo, PR Araújo Ferreira, H Asorey, P Assis, G Avila, AM Badescu, A Bakalova, A Balaceanu, F Barbato, RJ Barreira Luz, KH Becker, JA Bellido, C Berat, ME Bertaina, X Bertou, PL Biermann, T Bister, J Biteau, A Blanco, J Blazek, C Bleve, M Boháčová, D Boncioli, C Bonifazi, L Bonneau Arbeletche, N Borodai, AM Botti, J Brack, T Bretz, FL Briechle, P Buchholz, A Bueno, S Buitink, M Buscemi, KS Caballero-Mora, L Caccianiga, L Calcagni, A Cancio, F Canfora, I Caracas, JM Carceller, R Caruso, ANTONELLA Castellina, F Catalani, G Cataldi, L Cazon, M Cerda, JA Chinellato, K Choi, J Chudoba, L Chytka, RW Clay, AC Cobos Cerutti, R Colalillo, A Coleman, MR Coluccia, R Conceição, A Condorelli, G Consolati, F Contreras, F Convenga, CE Covault, S Dasso, K Daumiller, BR Dawson, JA Day, RM de Almeida, J de Jesús, SJ de Jong, G De Mauro, JRT de Mello Neto, I De Mitri, J de Oliveira, D de Oliveira Franco, V de Souza, J Debatin, M del Río, O Deligny, N Dhital, A Di Matteo, ML Díaz Castro, C Dobrigkeit, JC D’Olivo, Q Dorosti, RC dos Anjos, MT Dova, J Ebr, R Engel, I Epicoco, M Erdmann, CO Escobar, A Etchegoyen, H Falcke, J Farmer, G Farrar, AC Fauth, N Fazzini, F Feldbusch, F Fenu, B Fick, JM Figueira, A Filipčič, MM Freire, T Fujii, A Fuster, C Galea, C Galelli, B García, AL Garcia Vegas, H Gemmeke, F Gesualdi, A Gherghel-Lascu, PL Ghia, U Giaccari, M Giammarchi, M Giller, J Glombitza, F Gobbi, G Golup, M Gómez Berisso, PF Gómez Vitale, JP Gongora, N González, I Goos, D Góra, Alessio Gorgi, M Gottowik, TD Grubb, F Guarino, GP Guedes, E Guido, S Hahn, R Halliday, MR Hampel, P Hansen, D Harari, VM Harvey, A Haungs
发表日期
2020/8
期刊
The European Physical Journal C
卷号
80
页码范围
1-19
出版商
Springer Berlin Heidelberg
简介
The hybrid design of the Pierre Auger Observatory allows for the measurement of the properties of extensive air showers initiated by ultra-high energy cosmic rays with unprecedented precision. By using an array of prototype underground muon detectors, we have performed the first direct measurement, by the Auger Collaboration, of the muon content of air showers between and eV. We have studied the energy evolution of the attenuation-corrected muon density, and compared it to predictions from air shower simulations. The observed densities are found to be larger than those predicted by models. We quantify this discrepancy by combining the measurements from the muon detector with those from the Auger fluorescence detector at and . We find that, for the models to explain the data, an increase in the muon density of for EPOS-LHC, and of …
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A Aab, P Abreu, M Aglietta, JM Albury, I Allekotte… - The European Physical Journal C, 2020