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First Experimental Characterization of Microwave Emission from Cosmic Ray Air Showers.
Smída, R; Werner, F; Engel, R; Arteaga-Velázquez, J C; Bekk, K; Bertaina, M; Blümer, J; Bozdog, H; Brancus, I M; Chiavassa, A; Cossavella, F; Di Pierro, F; Doll, P; Fuchs, B; Fuhrmann, D; Grupen, C; Haungs, A; Heck, D; Hörandel, J R; Huber, D; Huege, T; Kampert, K-H; Kang, D; Klages, H; Kleifges, M; Krömer, O; Link, K; Luczak, P; Ludwig, M; Mathes, H J; Mathys, S; Mayer, H J; Melissas, M; Morello, C; Neunteufel, P; Oehlschläger, J; Palmieri, N; Pekala, J; Pierog, T; Rautenberg, J; Rebel, H; Riegel, M; Roth, M; Salamida, F; Schieler, H; Schoo, S; Schröder, F G; Sima, O; Stasielak, J; Toma, G.
Affiliation
  • Smída R; Karlsruhe Institute of Technology (KIT), 76021 Karlsruhe, Germany.
  • Werner F; Karlsruhe Institute of Technology (KIT), 76021 Karlsruhe, Germany.
  • Engel R; Karlsruhe Institute of Technology (KIT), 76021 Karlsruhe, Germany.
  • Arteaga-Velázquez JC; Universidad Michoacana, Instituto de Física y Matemáticas, 58040 Morelia, Mexico.
  • Bekk K; Karlsruhe Institute of Technology (KIT), 76021 Karlsruhe, Germany.
  • Bertaina M; Università di Torino and Sezione INFN, 10125 Torino, Italy.
  • Blümer J; Karlsruhe Institute of Technology (KIT), 76021 Karlsruhe, Germany.
  • Bozdog H; Karlsruhe Institute of Technology (KIT), 76021 Karlsruhe, Germany.
  • Brancus IM; National Institute of Physics and Nuclear Engineering, 76900 Bucharest, Romania.
  • Chiavassa A; Università di Torino and Sezione INFN, 10125 Torino, Italy.
  • Cossavella F; Karlsruhe Institute of Technology (KIT), 76021 Karlsruhe, Germany.
  • Di Pierro F; Università di Torino and Sezione INFN, 10125 Torino, Italy.
  • Doll P; Karlsruhe Institute of Technology (KIT), 76021 Karlsruhe, Germany.
  • Fuchs B; Karlsruhe Institute of Technology (KIT), 76021 Karlsruhe, Germany.
  • Fuhrmann D; Bergische Universität Wuppertal, 42097 Wuppertal, Germany.
  • Grupen C; Department of Physics, Siegen University, 57072 Germany.
  • Haungs A; Karlsruhe Institute of Technology (KIT), 76021 Karlsruhe, Germany.
  • Heck D; Karlsruhe Institute of Technology (KIT), 76021 Karlsruhe, Germany.
  • Hörandel JR; Department of Astrophysics, Radboud University Nijmegen, 6500 The Netherlands.
  • Huber D; Karlsruhe Institute of Technology (KIT), 76021 Karlsruhe, Germany.
  • Huege T; Karlsruhe Institute of Technology (KIT), 76021 Karlsruhe, Germany.
  • Kampert KH; Bergische Universität Wuppertal, 42097 Wuppertal, Germany.
  • Kang D; Karlsruhe Institute of Technology (KIT), 76021 Karlsruhe, Germany.
  • Klages H; Karlsruhe Institute of Technology (KIT), 76021 Karlsruhe, Germany.
  • Kleifges M; Karlsruhe Institute of Technology (KIT), 76021 Karlsruhe, Germany.
  • Krömer O; Karlsruhe Institute of Technology (KIT), 76021 Karlsruhe, Germany.
  • Link K; Karlsruhe Institute of Technology (KIT), 76021 Karlsruhe, Germany.
  • Luczak P; Department of Astrophysics, National Centre for Nuclear Research, 90-950 Lódz, Poland.
  • Ludwig M; Karlsruhe Institute of Technology (KIT), 76021 Karlsruhe, Germany.
  • Mathes HJ; Karlsruhe Institute of Technology (KIT), 76021 Karlsruhe, Germany.
  • Mathys S; Bergische Universität Wuppertal, 42097 Wuppertal, Germany.
  • Mayer HJ; Karlsruhe Institute of Technology (KIT), 76021 Karlsruhe, Germany.
  • Melissas M; Karlsruhe Institute of Technology (KIT), 76021 Karlsruhe, Germany.
  • Morello C; Osservatorio Astrofisico di Torino, INAF 10133, Torino, Italy.
  • Neunteufel P; Karlsruhe Institute of Technology (KIT), 76021 Karlsruhe, Germany.
  • Oehlschläger J; Karlsruhe Institute of Technology (KIT), 76021 Karlsruhe, Germany.
  • Palmieri N; Karlsruhe Institute of Technology (KIT), 76021 Karlsruhe, Germany.
  • Pekala J; Institute of Nuclear Physics PAN, 31-342 Krakow, Poland.
  • Pierog T; Karlsruhe Institute of Technology (KIT), 76021 Karlsruhe, Germany.
  • Rautenberg J; Bergische Universität Wuppertal, 42097 Wuppertal, Germany.
  • Rebel H; Karlsruhe Institute of Technology (KIT), 76021 Karlsruhe, Germany.
  • Riegel M; Karlsruhe Institute of Technology (KIT), 76021 Karlsruhe, Germany.
  • Roth M; Karlsruhe Institute of Technology (KIT), 76021 Karlsruhe, Germany.
  • Salamida F; Karlsruhe Institute of Technology (KIT), 76021 Karlsruhe, Germany.
  • Schieler H; Karlsruhe Institute of Technology (KIT), 76021 Karlsruhe, Germany.
  • Schoo S; Karlsruhe Institute of Technology (KIT), 76021 Karlsruhe, Germany.
  • Schröder FG; Karlsruhe Institute of Technology (KIT), 76021 Karlsruhe, Germany.
  • Sima O; Department of Physics, University of Bucharest, 76900 Bucharest, Romania.
  • Stasielak J; Institute of Nuclear Physics PAN, 31-342 Krakow, Poland.
  • Toma G; National Institute of Physics and Nuclear Engineering, 76900 Bucharest, Romania.
Phys Rev Lett ; 113(22): 221101, 2014 Nov 28.
Article in En | MEDLINE | ID: mdl-25494064
ABSTRACT
We report the first direct measurement of the overall characteristics of microwave radio emission from extensive air showers. Using a trigger provided by the KASCADE-Grande air shower array, the signals of the microwave antennas of the Cosmic-Ray Observation via Microwave Emission experiment have been read out and searched for signatures of radio emission by high-energy air showers in the GHz frequency range. Microwave signals have been detected for more than 30 showers with energies above 3×10^{16} eV. The observations presented in this Letter are consistent with a mainly forward-directed and polarized emission process in the GHz frequency range. The measurements show that microwave radiation offers a new means of studying air showers at E≥10^{17} eV.
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Collection: 01-internacional Database: MEDLINE Language: En Journal: Phys Rev Lett Year: 2014 Document type: Article Affiliation country: Alemania
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Collection: 01-internacional Database: MEDLINE Language: En Journal: Phys Rev Lett Year: 2014 Document type: Article Affiliation country: Alemania