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Title: Observation of inclined EeV air showers with the radio detector of the Pierre Auger Observatory

Abstract

In this study, with the Auger Engineering Radio Array (AERA) of the Pierre Auger Observatory, we have observed the radio emission from 561 extensive air showers with zenith angles between 60° and 84°. In contrast to air showers with more vertical incidence, these inclined air showers illuminate large ground areas of several km 2 with radio signals detectable in the 30 to 80 MHz band. A comparison of the measured radio-signal amplitudes with Monte Carlo simulations of a subset of 50 events for which we reconstruct the energy using the Auger surface detector shows agreement within the uncertainties of the current analysis. As expected for forward-beamed radio emission undergoing no significant absorption or scattering in the atmosphere, the area illuminated by radio signals grows with the zenith angle of the air shower. Inclined air showers with EeV energies are thus measurable with sparse radio-antenna arrays with grid sizes of a km or more. Finally, this is particularly attractive as radio detection provides direct access to the energy in the electromagnetic cascade of an air shower, which in case of inclined air showers is not accessible by arrays of particle detectors on the ground.

Authors:
; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; more »; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; « less
Publication Date:
Research Org.:
Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
Contributing Org.:
Pierre Auger Collaboration
OSTI Identifier:
1463631
Report Number(s):
arXiv:1806.05386; FERMILAB-PUB-18-259
Journal ID: ISSN 1475-7516; 1677962; TRN: US1902324
Grant/Contract Number:  
AC02-07CH11359; FR02-04ER41300; FG02-99ER41107; SC0011689
Resource Type:
Accepted Manuscript
Journal Name:
Journal of Cosmology and Astroparticle Physics
Additional Journal Information:
Journal Volume: 2018; Journal Issue: 10; Journal ID: ISSN 1475-7516
Publisher:
Institute of Physics (IOP)
Country of Publication:
United States
Language:
English
Subject:
79 ASTRONOMY AND ASTROPHYSICS; 46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats

Aab, A., Abreu, P., Aglietta, M., Albuquerque, I. F. M., Albury, J. M., Allekotte, I., Almela, A., Castillo, J. Alvarez, Alvarez-Muñiz, J., Anastasi, G. A., Anchordoqui, L., Andrada, B., Andringa, S., Aramo, C., Arsene, N., Asorey, H., Assis, P., Avila, G., Badescu, A. M., Balaceanu, A., Barbato, F., Luz, R. J. Barreira, Baur, S., Becker, K. H., Bellido, J. A., Berat, C., Bertaina, M. E., Bertou, X., Biermann, P. L., Biteau, J., Blaess, S. G., Blanco, A., Blazek, J., Bleve, C., Boháčová, M., Bonifazi, C., Borodai, N., Botti, A. M., Brack, J., Bretz, T., Bridgeman, A., Briechle, F. L., Buchholz, P., Bueno, A., Buitink, S., Buscemi, M., Caballero-Mora, K. S., Caccianiga, L., Calcagni, L., Cancio, A., Canfora, F., Carceller, J. M., Caruso, R., Castellina, A., Catalani, F., Cataldi, G., Cazon, L., Chinellato, J. A., Chudoba, J., Chytka, L., Clay, R. W., Cerutti, A. C. Cobos, Colalillo, R., Coleman, A., Collica, L., Coluccia, M. R., Conceição, R., Consolati, G., Contreras, F., Cooper, M. J., Coutu, S., Covault, C. E., D'Amico, S., Daniel, B., Dasso, S., Daumiller, K., Dawson, B. R., Day, J. A., de Almeida, R. M., de Jong, S. J., Mauro, G. De, Neto, J. R. T. de Mello, Mitri, I. De, de Oliveira, J., de Souza, V., Debatin, J., Deligny, O., Dhital, N., Castro, M. L. Díaz, Diogo, F., Dobrigkeit, C., D'Olivo, J. C., Dorosti, Q., Anjos, R. C. dos, Dova, M. T., Dundovic, A., Ebr, J., Engel, R., Erdmann, M., Escobar, C. O., Etchegoyen, A., Falcke, H., Farmer, J., Farrar, G., Fauth, A. C., Fazzini, N., Feldbusch, F., Fenu, F., Ferreyro, L. P., Fick, B., Figueira, J. M., Filipčič, A., Freire, M. M., Fujii, T., Fuster, A., Gaïor, R., García, B., Gemmeke, H., Gherghel-Lascu, A., Ghia, P. L., Giaccari, U., Giammarchi, M., Giller, M., Głas, D., Glaser, C., Glombitza, J., Golup, G., Berisso, M. Gómez, Vitale, P. F. Gómez, González, N., Goos, I., Góra, D., Gorgi, A., Gottowik, M., Grubb, T. D., Guarino, F., Guedes, G. P., Guido, E., Halliday, R., Hampel, M. R., Hansen, P., Harari, D., Harrison, T. A., Harvey, V. M., Haungs, A., Hebbeker, T., Heck, D., Heimann, P., Hill, G. C., Hojvat, C., Holt, E. M., Homola, P., Hörandel, J. R., Horvath, P., Hrabovský, M., Huege, T., Hulsman, J., Insolia, A., Isar, P. G., Jandt, I., Johnsen, J. A., Josebachuili, M., Jurysek, J., Kääpä, A., Kambeitz, O., Kampert, K. H., Keilhauer, B., Kemmerich, N., Kemp, J., Klages, H. O., Kleifges, M., Kleinfeller, J., Krause, R., Kuempel, D., Mezek, G. Kukec, Kunka, N., Awad, A. Kuotb, Lago, B. L., LaHurd, D., Lang, R. G., Legumina, R., de Oliveira, M. A. Leigui, Lenok, V., Letessier-Selvon, A., Lhenry-Yvon, I., Presti, D. Lo, Lopes, L., López, R., Casado, A. López, Lorek, R., Luce, Q., Lucero, A., Malacari, M., Mallamaci, M., Mandat, D., Mantsch, P., Mariazzi, A. G., Mariş, I. C., Marsella, G., Martello, D., Martinez, H., Bravo, O. Martínez, Mathes, H. J., Mathys, S., Matthews, J., Matthiae, G., Mayotte, E., Mazur, P. O., Medina, C., Medina-Tanco, G., Melo, D., Menshikov, A., Merenda, K. -D., Michal, S., Micheletti, M. I., Middendorf, L., Miramonti, L., Mitrica, B., Mockler, D., Mollerach, S., Montanet, F., Morello, C., Morlino, G., Mostafá, M., Müller, A. L., Muller, M. A., Müller, S., Mussa, R., Nellen, L., Nguyen, P. H., Niculescu-Oglinzanu, M., Niechciol, M., Niemietz, L., Nitz, D., Nosek, D., Novotny, V., Nožka, L., Nucita, A., Núñez, L. A., Oikonomou, F., Olinto, A., Palatka, M., Pallotta, J., Papenbreer, P., Parente, G., Parra, A., Paul, T., Pech, M., Pedreira, F., Pȩkala, J., Pelayo, R., Peña-Rodriguez, J., Pereira, L. A. S., Perlin, M., Perrone, L., Peters, C., Petrera, S., Phuntsok, J., Pierog, T., Pimenta, M., Pirronello, V., Platino, M., Poh, J., Pont, B., Porowski, C., Prado, R. R., Privitera, P., Prouza, M., Puyleart, A., Quel, E. J., Querchfeld, S., Quinn, S., Ramos-Pollan, R., Rautenberg, J., Ravignani, D., Reininghaus, M., Ridky, J., Riehn, F., Risse, M., Ristori, P., Rizi, V., de Carvalho, W. Rodrigues, Fernandez, G. Rodriguez, Rojo, J. Rodriguez, Roncoroni, M. J., Roth, M., Roulet, E., Rovero, A. C., Ruehl, P., Saffi, S. J., Saftoiu, A., Salamida, F., Salazar, H., Saleh, A., Salina, G., Sánchez, F., Sanchez-Lucas, P., Santos, E. M., Santos, E., Sarazin, F., Sarmento, R., Sarmiento-Cano, C., Sato, R., Savina, P., Schauer, M., Scherini, V., Schieler, H., Schimassek, M., Schimp, M., Schmidt, D., Scholten, O., Schovánek, P., Schröder, F. G., Schröder, S., Schulz, A., Schumacher, J., Sciutto, S. J., Segreto, A., Shellard, R. C., Sigl, G., Silli, G., Sima, O., Šmída, R., Snow, G. R., Sommers, P., Soriano, J. F., Souchard, J., Squartini, R., Stanca, D., Stanič, S., Stasielak, J., Stassi, P., Stolpovskiy, M., Strafella, F., Streich, A., Suarez, F., Suárez-Durán, M., Sudholz, T., Suomijärvi, T., Supanitsky, A. D., Šupík, J., Swain, J., Szadkowski, Z., Taboada, A., Taborda, O. A., Timmermans, C., Peixoto, C. J. Todero, Tomé, B., Elipe, G. Torralba, Travnicek, P., Trini, M., Tueros, M., Ulrich, R., Unger, M., Urban, M., Galicia, J. F. Valdés, Valiño, I., Valore, L., Bodegom, P. van, Berg, A. M. van den, Vliet, A. van, Varela, E., Cárdenas, B. Vargas, Vázquez, R. A., Veberič, D., Ventura, C., Quispe, I. D. Vergara, Verzi, V., Vicha, J., Villaseñor, L., Vorobiov, S., Wahlberg, H., Wainberg, O., Walz, D., Watson, A. A., Weber, M., Weindl, A., Wiedeński, M., Wiencke, L., Wilczyński, H., Wirtz, M., Wittkowski, D., Wundheiler, B., Yang, L., Yushkov, A., Zas, E., Zavrtanik, D., Zavrtanik, M., Zehrer, L., Zepeda, A., Zimmermann, B., Ziolkowski, M., Zong, Z., and Zuccarello, F. Observation of inclined EeV air showers with the radio detector of the Pierre Auger Observatory. United States: N. p., 2018. Web. doi:10.1088/1475-7516/2018/10/026.
Aab, A., Abreu, P., Aglietta, M., Albuquerque, I. F. M., Albury, J. M., Allekotte, I., Almela, A., Castillo, J. Alvarez, Alvarez-Muñiz, J., Anastasi, G. A., Anchordoqui, L., Andrada, B., Andringa, S., Aramo, C., Arsene, N., Asorey, H., Assis, P., Avila, G., Badescu, A. M., Balaceanu, A., Barbato, F., Luz, R. J. Barreira, Baur, S., Becker, K. H., Bellido, J. A., Berat, C., Bertaina, M. E., Bertou, X., Biermann, P. L., Biteau, J., Blaess, S. G., Blanco, A., Blazek, J., Bleve, C., Boháčová, M., Bonifazi, C., Borodai, N., Botti, A. M., Brack, J., Bretz, T., Bridgeman, A., Briechle, F. L., Buchholz, P., Bueno, A., Buitink, S., Buscemi, M., Caballero-Mora, K. S., Caccianiga, L., Calcagni, L., Cancio, A., Canfora, F., Carceller, J. M., Caruso, R., Castellina, A., Catalani, F., Cataldi, G., Cazon, L., Chinellato, J. A., Chudoba, J., Chytka, L., Clay, R. W., Cerutti, A. C. Cobos, Colalillo, R., Coleman, A., Collica, L., Coluccia, M. R., Conceição, R., Consolati, G., Contreras, F., Cooper, M. J., Coutu, S., Covault, C. E., D'Amico, S., Daniel, B., Dasso, S., Daumiller, K., Dawson, B. R., Day, J. A., de Almeida, R. M., de Jong, S. J., Mauro, G. De, Neto, J. R. T. de Mello, Mitri, I. De, de Oliveira, J., de Souza, V., Debatin, J., Deligny, O., Dhital, N., Castro, M. L. Díaz, Diogo, F., Dobrigkeit, C., D'Olivo, J. C., Dorosti, Q., Anjos, R. C. dos, Dova, M. T., Dundovic, A., Ebr, J., Engel, R., Erdmann, M., Escobar, C. O., Etchegoyen, A., Falcke, H., Farmer, J., Farrar, G., Fauth, A. C., Fazzini, N., Feldbusch, F., Fenu, F., Ferreyro, L. P., Fick, B., Figueira, J. M., Filipčič, A., Freire, M. M., Fujii, T., Fuster, A., Gaïor, R., García, B., Gemmeke, H., Gherghel-Lascu, A., Ghia, P. L., Giaccari, U., Giammarchi, M., Giller, M., Głas, D., Glaser, C., Glombitza, J., Golup, G., Berisso, M. Gómez, Vitale, P. F. Gómez, González, N., Goos, I., Góra, D., Gorgi, A., Gottowik, M., Grubb, T. D., Guarino, F., Guedes, G. P., Guido, E., Halliday, R., Hampel, M. R., Hansen, P., Harari, D., Harrison, T. A., Harvey, V. M., Haungs, A., Hebbeker, T., Heck, D., Heimann, P., Hill, G. C., Hojvat, C., Holt, E. M., Homola, P., Hörandel, J. R., Horvath, P., Hrabovský, M., Huege, T., Hulsman, J., Insolia, A., Isar, P. G., Jandt, I., Johnsen, J. A., Josebachuili, M., Jurysek, J., Kääpä, A., Kambeitz, O., Kampert, K. H., Keilhauer, B., Kemmerich, N., Kemp, J., Klages, H. O., Kleifges, M., Kleinfeller, J., Krause, R., Kuempel, D., Mezek, G. Kukec, Kunka, N., Awad, A. Kuotb, Lago, B. L., LaHurd, D., Lang, R. G., Legumina, R., de Oliveira, M. A. Leigui, Lenok, V., Letessier-Selvon, A., Lhenry-Yvon, I., Presti, D. Lo, Lopes, L., López, R., Casado, A. López, Lorek, R., Luce, Q., Lucero, A., Malacari, M., Mallamaci, M., Mandat, D., Mantsch, P., Mariazzi, A. G., Mariş, I. C., Marsella, G., Martello, D., Martinez, H., Bravo, O. Martínez, Mathes, H. J., Mathys, S., Matthews, J., Matthiae, G., Mayotte, E., Mazur, P. O., Medina, C., Medina-Tanco, G., Melo, D., Menshikov, A., Merenda, K. -D., Michal, S., Micheletti, M. I., Middendorf, L., Miramonti, L., Mitrica, B., Mockler, D., Mollerach, S., Montanet, F., Morello, C., Morlino, G., Mostafá, M., Müller, A. L., Muller, M. A., Müller, S., Mussa, R., Nellen, L., Nguyen, P. H., Niculescu-Oglinzanu, M., Niechciol, M., Niemietz, L., Nitz, D., Nosek, D., Novotny, V., Nožka, L., Nucita, A., Núñez, L. A., Oikonomou, F., Olinto, A., Palatka, M., Pallotta, J., Papenbreer, P., Parente, G., Parra, A., Paul, T., Pech, M., Pedreira, F., Pȩkala, J., Pelayo, R., Peña-Rodriguez, J., Pereira, L. A. S., Perlin, M., Perrone, L., Peters, C., Petrera, S., Phuntsok, J., Pierog, T., Pimenta, M., Pirronello, V., Platino, M., Poh, J., Pont, B., Porowski, C., Prado, R. R., Privitera, P., Prouza, M., Puyleart, A., Quel, E. J., Querchfeld, S., Quinn, S., Ramos-Pollan, R., Rautenberg, J., Ravignani, D., Reininghaus, M., Ridky, J., Riehn, F., Risse, M., Ristori, P., Rizi, V., de Carvalho, W. Rodrigues, Fernandez, G. Rodriguez, Rojo, J. Rodriguez, Roncoroni, M. J., Roth, M., Roulet, E., Rovero, A. C., Ruehl, P., Saffi, S. J., Saftoiu, A., Salamida, F., Salazar, H., Saleh, A., Salina, G., Sánchez, F., Sanchez-Lucas, P., Santos, E. M., Santos, E., Sarazin, F., Sarmento, R., Sarmiento-Cano, C., Sato, R., Savina, P., Schauer, M., Scherini, V., Schieler, H., Schimassek, M., Schimp, M., Schmidt, D., Scholten, O., Schovánek, P., Schröder, F. G., Schröder, S., Schulz, A., Schumacher, J., Sciutto, S. J., Segreto, A., Shellard, R. C., Sigl, G., Silli, G., Sima, O., Šmída, R., Snow, G. R., Sommers, P., Soriano, J. F., Souchard, J., Squartini, R., Stanca, D., Stanič, S., Stasielak, J., Stassi, P., Stolpovskiy, M., Strafella, F., Streich, A., Suarez, F., Suárez-Durán, M., Sudholz, T., Suomijärvi, T., Supanitsky, A. D., Šupík, J., Swain, J., Szadkowski, Z., Taboada, A., Taborda, O. A., Timmermans, C., Peixoto, C. J. Todero, Tomé, B., Elipe, G. Torralba, Travnicek, P., Trini, M., Tueros, M., Ulrich, R., Unger, M., Urban, M., Galicia, J. F. Valdés, Valiño, I., Valore, L., Bodegom, P. van, Berg, A. M. van den, Vliet, A. van, Varela, E., Cárdenas, B. Vargas, Vázquez, R. A., Veberič, D., Ventura, C., Quispe, I. D. Vergara, Verzi, V., Vicha, J., Villaseñor, L., Vorobiov, S., Wahlberg, H., Wainberg, O., Walz, D., Watson, A. A., Weber, M., Weindl, A., Wiedeński, M., Wiencke, L., Wilczyński, H., Wirtz, M., Wittkowski, D., Wundheiler, B., Yang, L., Yushkov, A., Zas, E., Zavrtanik, D., Zavrtanik, M., Zehrer, L., Zepeda, A., Zimmermann, B., Ziolkowski, M., Zong, Z., & Zuccarello, F. Observation of inclined EeV air showers with the radio detector of the Pierre Auger Observatory. United States. doi:10.1088/1475-7516/2018/10/026.
Aab, A., Abreu, P., Aglietta, M., Albuquerque, I. F. M., Albury, J. M., Allekotte, I., Almela, A., Castillo, J. Alvarez, Alvarez-Muñiz, J., Anastasi, G. A., Anchordoqui, L., Andrada, B., Andringa, S., Aramo, C., Arsene, N., Asorey, H., Assis, P., Avila, G., Badescu, A. M., Balaceanu, A., Barbato, F., Luz, R. J. Barreira, Baur, S., Becker, K. H., Bellido, J. A., Berat, C., Bertaina, M. E., Bertou, X., Biermann, P. L., Biteau, J., Blaess, S. G., Blanco, A., Blazek, J., Bleve, C., Boháčová, M., Bonifazi, C., Borodai, N., Botti, A. M., Brack, J., Bretz, T., Bridgeman, A., Briechle, F. L., Buchholz, P., Bueno, A., Buitink, S., Buscemi, M., Caballero-Mora, K. S., Caccianiga, L., Calcagni, L., Cancio, A., Canfora, F., Carceller, J. M., Caruso, R., Castellina, A., Catalani, F., Cataldi, G., Cazon, L., Chinellato, J. A., Chudoba, J., Chytka, L., Clay, R. W., Cerutti, A. C. Cobos, Colalillo, R., Coleman, A., Collica, L., Coluccia, M. R., Conceição, R., Consolati, G., Contreras, F., Cooper, M. J., Coutu, S., Covault, C. E., D'Amico, S., Daniel, B., Dasso, S., Daumiller, K., Dawson, B. R., Day, J. A., de Almeida, R. M., de Jong, S. J., Mauro, G. De, Neto, J. R. T. de Mello, Mitri, I. De, de Oliveira, J., de Souza, V., Debatin, J., Deligny, O., Dhital, N., Castro, M. L. Díaz, Diogo, F., Dobrigkeit, C., D'Olivo, J. C., Dorosti, Q., Anjos, R. C. dos, Dova, M. T., Dundovic, A., Ebr, J., Engel, R., Erdmann, M., Escobar, C. O., Etchegoyen, A., Falcke, H., Farmer, J., Farrar, G., Fauth, A. C., Fazzini, N., Feldbusch, F., Fenu, F., Ferreyro, L. P., Fick, B., Figueira, J. M., Filipčič, A., Freire, M. M., Fujii, T., Fuster, A., Gaïor, R., García, B., Gemmeke, H., Gherghel-Lascu, A., Ghia, P. L., Giaccari, U., Giammarchi, M., Giller, M., Głas, D., Glaser, C., Glombitza, J., Golup, G., Berisso, M. Gómez, Vitale, P. F. Gómez, González, N., Goos, I., Góra, D., Gorgi, A., Gottowik, M., Grubb, T. D., Guarino, F., Guedes, G. P., Guido, E., Halliday, R., Hampel, M. R., Hansen, P., Harari, D., Harrison, T. A., Harvey, V. M., Haungs, A., Hebbeker, T., Heck, D., Heimann, P., Hill, G. C., Hojvat, C., Holt, E. M., Homola, P., Hörandel, J. R., Horvath, P., Hrabovský, M., Huege, T., Hulsman, J., Insolia, A., Isar, P. G., Jandt, I., Johnsen, J. A., Josebachuili, M., Jurysek, J., Kääpä, A., Kambeitz, O., Kampert, K. H., Keilhauer, B., Kemmerich, N., Kemp, J., Klages, H. O., Kleifges, M., Kleinfeller, J., Krause, R., Kuempel, D., Mezek, G. Kukec, Kunka, N., Awad, A. Kuotb, Lago, B. L., LaHurd, D., Lang, R. G., Legumina, R., de Oliveira, M. A. Leigui, Lenok, V., Letessier-Selvon, A., Lhenry-Yvon, I., Presti, D. Lo, Lopes, L., López, R., Casado, A. López, Lorek, R., Luce, Q., Lucero, A., Malacari, M., Mallamaci, M., Mandat, D., Mantsch, P., Mariazzi, A. G., Mariş, I. C., Marsella, G., Martello, D., Martinez, H., Bravo, O. Martínez, Mathes, H. J., Mathys, S., Matthews, J., Matthiae, G., Mayotte, E., Mazur, P. O., Medina, C., Medina-Tanco, G., Melo, D., Menshikov, A., Merenda, K. -D., Michal, S., Micheletti, M. I., Middendorf, L., Miramonti, L., Mitrica, B., Mockler, D., Mollerach, S., Montanet, F., Morello, C., Morlino, G., Mostafá, M., Müller, A. L., Muller, M. A., Müller, S., Mussa, R., Nellen, L., Nguyen, P. H., Niculescu-Oglinzanu, M., Niechciol, M., Niemietz, L., Nitz, D., Nosek, D., Novotny, V., Nožka, L., Nucita, A., Núñez, L. A., Oikonomou, F., Olinto, A., Palatka, M., Pallotta, J., Papenbreer, P., Parente, G., Parra, A., Paul, T., Pech, M., Pedreira, F., Pȩkala, J., Pelayo, R., Peña-Rodriguez, J., Pereira, L. A. S., Perlin, M., Perrone, L., Peters, C., Petrera, S., Phuntsok, J., Pierog, T., Pimenta, M., Pirronello, V., Platino, M., Poh, J., Pont, B., Porowski, C., Prado, R. R., Privitera, P., Prouza, M., Puyleart, A., Quel, E. 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D., Šupík, J., Swain, J., Szadkowski, Z., Taboada, A., Taborda, O. A., Timmermans, C., Peixoto, C. J. Todero, Tomé, B., Elipe, G. Torralba, Travnicek, P., Trini, M., Tueros, M., Ulrich, R., Unger, M., Urban, M., Galicia, J. F. Valdés, Valiño, I., Valore, L., Bodegom, P. van, Berg, A. M. van den, Vliet, A. van, Varela, E., Cárdenas, B. Vargas, Vázquez, R. A., Veberič, D., Ventura, C., Quispe, I. D. Vergara, Verzi, V., Vicha, J., Villaseñor, L., Vorobiov, S., Wahlberg, H., Wainberg, O., Walz, D., Watson, A. A., Weber, M., Weindl, A., Wiedeński, M., Wiencke, L., Wilczyński, H., Wirtz, M., Wittkowski, D., Wundheiler, B., Yang, L., Yushkov, A., Zas, E., Zavrtanik, D., Zavrtanik, M., Zehrer, L., Zepeda, A., Zimmermann, B., Ziolkowski, M., Zong, Z., and Zuccarello, F. Tue . "Observation of inclined EeV air showers with the radio detector of the Pierre Auger Observatory". United States. doi:10.1088/1475-7516/2018/10/026. https://www.osti.gov/servlets/purl/1463631.
@article{osti_1463631,
title = {Observation of inclined EeV air showers with the radio detector of the Pierre Auger Observatory},
author = {Aab, A. and Abreu, P. and Aglietta, M. and Albuquerque, I. F. M. and Albury, J. M. and Allekotte, I. and Almela, A. and Castillo, J. Alvarez and Alvarez-Muñiz, J. and Anastasi, G. A. and Anchordoqui, L. and Andrada, B. and Andringa, S. and Aramo, C. and Arsene, N. and Asorey, H. and Assis, P. and Avila, G. and Badescu, A. M. and Balaceanu, A. and Barbato, F. and Luz, R. J. Barreira and Baur, S. and Becker, K. H. and Bellido, J. A. and Berat, C. and Bertaina, M. E. and Bertou, X. and Biermann, P. L. and Biteau, J. and Blaess, S. G. and Blanco, A. and Blazek, J. and Bleve, C. and Boháčová, M. and Bonifazi, C. and Borodai, N. and Botti, A. M. and Brack, J. and Bretz, T. and Bridgeman, A. and Briechle, F. L. and Buchholz, P. and Bueno, A. and Buitink, S. and Buscemi, M. and Caballero-Mora, K. S. and Caccianiga, L. and Calcagni, L. and Cancio, A. and Canfora, F. and Carceller, J. M. and Caruso, R. and Castellina, A. and Catalani, F. and Cataldi, G. and Cazon, L. and Chinellato, J. A. and Chudoba, J. and Chytka, L. and Clay, R. W. and Cerutti, A. C. Cobos and Colalillo, R. and Coleman, A. and Collica, L. and Coluccia, M. R. and Conceição, R. and Consolati, G. and Contreras, F. and Cooper, M. J. and Coutu, S. and Covault, C. E. and D'Amico, S. and Daniel, B. and Dasso, S. and Daumiller, K. and Dawson, B. R. and Day, J. A. and de Almeida, R. M. and de Jong, S. J. and Mauro, G. De and Neto, J. R. T. de Mello and Mitri, I. De and de Oliveira, J. and de Souza, V. and Debatin, J. and Deligny, O. and Dhital, N. and Castro, M. L. Díaz and Diogo, F. and Dobrigkeit, C. and D'Olivo, J. C. and Dorosti, Q. and Anjos, R. C. dos and Dova, M. T. and Dundovic, A. and Ebr, J. and Engel, R. and Erdmann, M. and Escobar, C. O. and Etchegoyen, A. and Falcke, H. and Farmer, J. and Farrar, G. and Fauth, A. C. and Fazzini, N. and Feldbusch, F. and Fenu, F. and Ferreyro, L. P. and Fick, B. and Figueira, J. M. and Filipčič, A. and Freire, M. M. and Fujii, T. and Fuster, A. and Gaïor, R. and García, B. and Gemmeke, H. and Gherghel-Lascu, A. and Ghia, P. L. and Giaccari, U. and Giammarchi, M. and Giller, M. and Głas, D. and Glaser, C. and Glombitza, J. and Golup, G. and Berisso, M. Gómez and Vitale, P. F. Gómez and González, N. and Goos, I. and Góra, D. and Gorgi, A. and Gottowik, M. and Grubb, T. D. and Guarino, F. and Guedes, G. P. and Guido, E. and Halliday, R. and Hampel, M. R. and Hansen, P. and Harari, D. and Harrison, T. A. and Harvey, V. M. and Haungs, A. and Hebbeker, T. and Heck, D. and Heimann, P. and Hill, G. C. and Hojvat, C. and Holt, E. M. and Homola, P. and Hörandel, J. R. and Horvath, P. and Hrabovský, M. and Huege, T. and Hulsman, J. and Insolia, A. and Isar, P. G. and Jandt, I. and Johnsen, J. A. and Josebachuili, M. and Jurysek, J. and Kääpä, A. and Kambeitz, O. and Kampert, K. H. and Keilhauer, B. and Kemmerich, N. and Kemp, J. and Klages, H. O. and Kleifges, M. and Kleinfeller, J. and Krause, R. and Kuempel, D. and Mezek, G. Kukec and Kunka, N. and Awad, A. Kuotb and Lago, B. L. and LaHurd, D. and Lang, R. G. and Legumina, R. and de Oliveira, M. A. Leigui and Lenok, V. and Letessier-Selvon, A. and Lhenry-Yvon, I. and Presti, D. Lo and Lopes, L. and López, R. and Casado, A. López and Lorek, R. and Luce, Q. and Lucero, A. and Malacari, M. and Mallamaci, M. and Mandat, D. and Mantsch, P. and Mariazzi, A. G. and Mariş, I. C. and Marsella, G. and Martello, D. and Martinez, H. and Bravo, O. Martínez and Mathes, H. J. and Mathys, S. and Matthews, J. and Matthiae, G. and Mayotte, E. and Mazur, P. O. and Medina, C. and Medina-Tanco, G. and Melo, D. and Menshikov, A. and Merenda, K. -D. and Michal, S. and Micheletti, M. I. and Middendorf, L. and Miramonti, L. and Mitrica, B. and Mockler, D. and Mollerach, S. and Montanet, F. and Morello, C. and Morlino, G. and Mostafá, M. and Müller, A. L. and Muller, M. A. and Müller, S. and Mussa, R. and Nellen, L. and Nguyen, P. H. and Niculescu-Oglinzanu, M. and Niechciol, M. and Niemietz, L. and Nitz, D. and Nosek, D. and Novotny, V. and Nožka, L. and Nucita, A. and Núñez, L. A. and Oikonomou, F. and Olinto, A. and Palatka, M. and Pallotta, J. and Papenbreer, P. and Parente, G. and Parra, A. and Paul, T. and Pech, M. and Pedreira, F. and Pȩkala, J. and Pelayo, R. and Peña-Rodriguez, J. and Pereira, L. A. S. and Perlin, M. and Perrone, L. and Peters, C. and Petrera, S. and Phuntsok, J. and Pierog, T. and Pimenta, M. and Pirronello, V. and Platino, M. and Poh, J. and Pont, B. and Porowski, C. and Prado, R. R. and Privitera, P. and Prouza, M. and Puyleart, A. and Quel, E. J. and Querchfeld, S. and Quinn, S. and Ramos-Pollan, R. and Rautenberg, J. and Ravignani, D. and Reininghaus, M. and Ridky, J. and Riehn, F. and Risse, M. and Ristori, P. and Rizi, V. and de Carvalho, W. Rodrigues and Fernandez, G. Rodriguez and Rojo, J. Rodriguez and Roncoroni, M. J. and Roth, M. and Roulet, E. and Rovero, A. C. and Ruehl, P. and Saffi, S. J. and Saftoiu, A. and Salamida, F. and Salazar, H. and Saleh, A. and Salina, G. and Sánchez, F. and Sanchez-Lucas, P. and Santos, E. M. and Santos, E. and Sarazin, F. and Sarmento, R. and Sarmiento-Cano, C. and Sato, R. and Savina, P. and Schauer, M. and Scherini, V. and Schieler, H. and Schimassek, M. and Schimp, M. and Schmidt, D. and Scholten, O. and Schovánek, P. and Schröder, F. G. and Schröder, S. and Schulz, A. and Schumacher, J. and Sciutto, S. J. and Segreto, A. and Shellard, R. C. and Sigl, G. and Silli, G. and Sima, O. and Šmída, R. and Snow, G. R. and Sommers, P. and Soriano, J. F. and Souchard, J. and Squartini, R. and Stanca, D. and Stanič, S. and Stasielak, J. and Stassi, P. and Stolpovskiy, M. and Strafella, F. and Streich, A. and Suarez, F. and Suárez-Durán, M. and Sudholz, T. and Suomijärvi, T. and Supanitsky, A. D. and Šupík, J. and Swain, J. and Szadkowski, Z. and Taboada, A. and Taborda, O. A. and Timmermans, C. and Peixoto, C. J. Todero and Tomé, B. and Elipe, G. Torralba and Travnicek, P. and Trini, M. and Tueros, M. and Ulrich, R. and Unger, M. and Urban, M. and Galicia, J. F. Valdés and Valiño, I. and Valore, L. and Bodegom, P. van and Berg, A. M. van den and Vliet, A. van and Varela, E. and Cárdenas, B. Vargas and Vázquez, R. A. and Veberič, D. and Ventura, C. and Quispe, I. D. Vergara and Verzi, V. and Vicha, J. and Villaseñor, L. and Vorobiov, S. and Wahlberg, H. and Wainberg, O. and Walz, D. and Watson, A. A. and Weber, M. and Weindl, A. and Wiedeński, M. and Wiencke, L. and Wilczyński, H. and Wirtz, M. and Wittkowski, D. and Wundheiler, B. and Yang, L. and Yushkov, A. and Zas, E. and Zavrtanik, D. and Zavrtanik, M. and Zehrer, L. and Zepeda, A. and Zimmermann, B. and Ziolkowski, M. and Zong, Z. and Zuccarello, F.},
abstractNote = {In this study, with the Auger Engineering Radio Array (AERA) of the Pierre Auger Observatory, we have observed the radio emission from 561 extensive air showers with zenith angles between 60° and 84°. In contrast to air showers with more vertical incidence, these inclined air showers illuminate large ground areas of several km2 with radio signals detectable in the 30 to 80 MHz band. A comparison of the measured radio-signal amplitudes with Monte Carlo simulations of a subset of 50 events for which we reconstruct the energy using the Auger surface detector shows agreement within the uncertainties of the current analysis. As expected for forward-beamed radio emission undergoing no significant absorption or scattering in the atmosphere, the area illuminated by radio signals grows with the zenith angle of the air shower. Inclined air showers with EeV energies are thus measurable with sparse radio-antenna arrays with grid sizes of a km or more. Finally, this is particularly attractive as radio detection provides direct access to the energy in the electromagnetic cascade of an air shower, which in case of inclined air showers is not accessible by arrays of particle detectors on the ground.},
doi = {10.1088/1475-7516/2018/10/026},
journal = {Journal of Cosmology and Astroparticle Physics},
number = 10,
volume = 2018,
place = {United States},
year = {2018},
month = {10}
}

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Figure 1 Figure 1: Distributions of the arrival directions of the 561 extensive air showers selected in this analysis as determined with the Auger surface detector. Top: Distribution of the azimuth angles, 0° indicating arrival from the east and counting counter-clockwise. Bottom: Distribution of the sin2 of the zenith angles. For eachmore » bin, Poissonian errors are shown.« less

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