Energy estimation of cosmic rays with the Engineering Radio Array of the Pierre Auger Observatory

Physical Review D American Physical Society (APS) 93:12 (2016) 122005

Authors:

A Aab, P Abreu, M Aglietta, EJ Ahn, I Al Samarai, IFM Albuquerque, I Allekotte, P Allison, A Almela, J Alvarez Castillo, J Alvarez-Muñiz, R Alves Batista, M Ambrosio, A Aminaei, GA Anastasi, L Anchordoqui, S Andringa, C Aramo, F Arqueros, N Arsene, H Asorey, P Assis, J Aublin, G Avila, N Awal, AM Badescu, C Baus, JJ Beatty, KH Becker, JA Bellido, C Berat, ME Bertaina, X Bertou, PL Biermann, P Billoir, SG Blaess, A Blanco, M Blanco, J Blazek, C Bleve, H Blümer, M Boháčová, D Boncioli, C Bonifazi, N Borodai, J Brack, I Brancus, T Bretz, A Bridgeman, P Brogueira, P Buchholz, A Bueno, S Buitink, M Buscemi, KS Caballero-Mora, B Caccianiga, L Caccianiga, M Candusso, L Caramete, R Caruso, A Castellina, G Cataldi, L Cazon, R Cester, AG Chavez, A Chiavassa, JA Chinellato, J Chudoba, M Cilmo, RW Clay, G Cocciolo, R Colalillo, A Coleman, L Collica, MR Coluccia, R Conceição, F Contreras, MJ Cooper, A Cordier, S Coutu, CE Covault, J Cronin, R Dallier, B Daniel, S Dasso, K Daumiller, BR Dawson, RM de Almeida, SJ de Jong, G De Mauro, JRT de Mello Neto, I De Mitri, J de Oliveira, V de Souza, L del Peral, O Deligny, N Dhital, C Di Giulio, A Di Matteo, JC Diaz, ML Díaz Castro, F Diogo, C Dobrigkeit, W Docters, JC D’Olivo, A Dorofeev, Q Dorosti Hasankiadeh, RC dos Anjos, MT Dova, J Ebr, R Engel, M Erdmann, M Erfani, CO Escobar, J Espadanal, A Etchegoyen, H Falcke, K Fang, G Farrar, AC Fauth, N Fazzini, AP Ferguson, B Fick, JM Figueira, A Filevich, A Filipčič, O Fratu, MM Freire, T Fujii, B García, D Garcia-Gamez, D Garcia-Pinto, F Gate, H Gemmeke, A Gherghel-Lascu, PL Ghia, U Giaccari, M Giammarchi, M Giller, D Głas, C Glaser, H Glass, G Golup, M Gómez Berisso, PF Gómez Vitale, N González, B Gookin, J Gordon, A Gorgi, P Gorham, P Gouffon, N Griffith, AF Grillo, TD Grubb, F Guarino, GP Guedes, MR Hampel, P Hansen, D Harari, TA Harrison, S Hartmann, JL Harton, A Haungs, T Hebbeker, D Heck, P Heimann, AE Herve, GC Hill, C Hojvat, N Hollon, E Holt, P Homola, JR Hörandel, P Horvath, M Hrabovský, D Huber, T Huege, A Insolia, PG Isar, I Jandt, S Jansen, C Jarne, JA Johnsen, M Josebachuili, A Kääpä, O Kambeitz, KH Kampert, P Kasper, I Katkov, B Keilhauer, E Kemp, RM Kieckhafer, HO Klages, M Kleifges, J Kleinfeller, R Krause, N Krohm, D Kuempel, G Kukec Mezek, N Kunka, AW Kuotb Awad, D LaHurd, L Latronico, R Lauer, M Lauscher, P Lautridou, S Le Coz, D Lebrun, P Lebrun, MA Leigui de Oliveira, A Letessier-Selvon, I Lhenry-Yvon, K Link, L Lopes, R López, A López Casado, K Louedec, A Lucero, M Malacari, M Mallamaci, J Maller, D Mandat, P Mantsch, AG Mariazzi, V Marin, IC Mariş, G Marsella, D Martello, H Martinez, O Martínez Bravo, D Martraire, JJ Masías Meza, HJ Mathes, S Mathys, J Matthews, JAJ Matthews, G Matthiae, D Maurizio, E Mayotte, PO Mazur, C Medina, G Medina-Tanco, R Meissner, VBB Mello, D Melo, A Menshikov, S Messina, MI Micheletti, L Middendorf, IA Minaya, L Miramonti, B Mitrica, L Molina-Bueno, S Mollerach, F Montanet, C Morello, M Mostafá, CA Moura, MA Muller, G Müller, S Müller, S Navas, P Necesal, L Nellen, A Nelles, J Neuser, PH Nguyen, M Niculescu-Oglinzanu, M Niechciol, L Niemietz, T Niggemann, D Nitz, D Nosek, V Novotny, L Nožka, LA Núñez, L Ochilo, F Oikonomou, A Olinto, N Pacheco, D Pakk Selmi-Dei, M Palatka, J Pallotta, P Papenbreer, G Parente, A Parra, T Paul, M Pech, J Pȩkala, R Pelayo, IM Pepe, L Perrone, E Petermann, C Peters, S Petrera, Y Petrov, J Phuntsok, R Piegaia, T Pierog, P Pieroni, M Pimenta, V Pirronello, M Platino, M Plum, A Porcelli, C Porowski, RR Prado, P Privitera, M Prouza, EJ Quel, S Querchfeld, S Quinn, J Rautenberg, O Ravel, D Ravignani, D Reinert, B Revenu, J Ridky, M Risse, P Ristori, V Rizi, W Rodrigues de Carvalho, J Rodriguez Rojo, MD Rodríguez-Frías, D Rogozin, J Rosado, M Roth, E Roulet, AC Rovero, SJ Saffi, A Saftoiu, H Salazar, A Saleh, F Salesa Greus, G Salina, JD Sanabria Gomez, F Sánchez, P Sanchez-Lucas, E Santos, EM Santos, F Sarazin, B Sarkar, R Sarmento, C Sarmiento-Cano, R Sato, C Scarso, M Schauer, V Scherini, H Schieler, D Schmidt, O Scholten, H Schoorlemmer, P Schovánek, FG Schröder, A Schulz, J Schulz, J Schumacher, SJ Sciutto, A Segreto, M Settimo, A Shadkam, RC Shellard, G Sigl, O Sima, A Śmiałkowski, R Šmída, GR Snow, P Sommers, S Sonntag, J Sorokin, R Squartini, YN Srivastava, D Stanca, S Stanič, J Stapleton, J Stasielak, M Stephan, A Stutz, F Suarez, M Suarez Durán, T Suomijärvi, AD Supanitsky, MS Sutherland, J Swain, Z Szadkowski, OA Taborda, A Tapia, A Tepe, VM Theodoro, C Timmermans, CJ Todero Peixoto, G Toma, L Tomankova, B Tomé, A Tonachini, G Torralba Elipe, D Torres Machado, P Travnicek, M Trini, R Ulrich, M Unger, M Urban, JF Valdés Galicia, I Valiño, L Valore, G van Aar, P van Bodegom, AM van den Berg, S van Velzen, A van Vliet, E Varela, B Vargas Cárdenas, G Varner, R Vasquez, JR Vázquez, RA Vázquez, D Veberič, V Verzi, J Vicha, M Videla, L Villaseñor, B Vlcek, S Vorobiov, H Wahlberg, O Wainberg, D Walz, AA Watson, M Weber, K Weidenhaupt, A Weindl, C Welling, F Werner, A Widom, L Wiencke, H Wilczyński, T Winchen, D Wittkowski, B Wundheiler, S Wykes, L Yang, T Yapici, A Yushkov, E Zas, D Zavrtanik, M Zavrtanik, A Zepeda, B Zimmermann, M Ziolkowski, F Zuccarello

Radio Galaxy Zoo: discovery of a poor cluster through a giant wide-angle tail radio galaxy

(2016)

Authors:

JK Banfield, H Andernach, AD Kapinska, L Rudnick, MJ Hardcastle, G Cotter, S Vaughan, TW Jones, I Heywood, JD Wing, OI Wong, T Matorny, IA Terentev, AR Lopez-Sanchez, RP Norris, N Seymour, SS Shabala, KW Willett

Measurement of the Radiation Energy in the Radio Signal of Extensive Air Showers as a Universal Estimator of Cosmic-Ray Energy.

Physical review letters American Physical Society (APS) 116:24 (2016) ARTN 241101

Authors:

A Aab, P Abreu, M Aglietta, Ej Ahn, I Al Samarai, Ifm Albuquerque, I Allekotte, P Allison, A Almela, J Alvarez Castillo, J Alvarez-Muñiz, R Alves Batista, M Ambrosio, A Aminaei, Ga Anastasi, L Anchordoqui, S Andringa, C Aramo, F Arqueros, N Arsene, H Asorey, P Assis, J Aublin, G Avila, N Awal, Am Badescu, C Baus, Jj Beatty, Kh Becker, Ja Bellido, C Berat, Me Bertaina, X Bertou, Pl Biermann, P Billoir, Sg Blaess, A Blanco, M Blanco, J Blazek, C Bleve, H Blümer, M Boháčová, D Boncioli, C Bonifazi, N Borodai, J Brack, I Brancus, T Bretz, A Bridgeman, P Brogueira

Abstract:

We measure the energy emitted by extensive air showers in the form of radio emission in the frequency range from 30 to 80 MHz. Exploiting the accurate energy scale of the Pierre Auger Observatory, we obtain a radiation energy of 15.8±0.7(stat)±6.7(syst)  MeV for cosmic rays with an energy of 1 EeV arriving perpendicularly to a geomagnetic field of 0.24 G, scaling quadratically with the cosmic-ray energy. A comparison with predictions from state-of-the-art first-principles calculations shows agreement with our measurement. The radiation energy provides direct access to the calorimetric energy in the electromagnetic cascade of extensive air showers. Comparison with our result thus allows the direct calibration of any cosmic-ray radio detector against the well-established energy scale of the Pierre Auger Observatory.

The 4 Pi Sky Transient Alerts Hub

(2016)

Authors:

Tim D Staley, Rob Fender

Furiously fast and red: sub-second optical flaring in V404 Cyg during the 2015 outburst peak

Monthly Notices of the Royal Astronomical Society Oxford University Press (OUP) 459:1 (2016) 554-572

Authors:

P Gandhi, SP Littlefair, LK Hardy, VS Dhillon, TR Marsh, AW Shaw, D Altamirano, MD Caballero-Garcia, J Casares, P Casella, AJ Castro-Tirado, PA Charles, Y Dallilar, S Eikenberry, RP Fender, RI Hynes, C Knigge, E Kuulkers, K Mooley, T Muñoz-Darias, M Pahari, F Rahoui, DM Russell, JV Hernández Santisteban, T Shahbaz, DM Terndrup, J Tomsick, DJ Walton