Measuring a Cherenkov ring in the radio emission from air showers at 110-190 MHz with LOFAR
Nelles A, Schellart P, Buitink S, Corstanje A, de Vries KD, Enriquez JE, Falcke H, Frieswijk W, Hoerandel JR, Scholten O, ter Veen S, et al. (2015)
Astroparticle Physics 65: 11-21.
Zeitschriftenaufsatz
| Veröffentlicht | Englisch
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Autor*in
Nelles, A.;
Schellart, P.;
Buitink, S.;
Corstanje, A.;
de Vries, K. D.;
Enriquez, J. E.;
Falcke, H.;
Frieswijk, W.;
Hoerandel, J. R.;
Scholten, O.;
ter Veen, S.;
Thoudam, S.
Alle
Alle
Abstract / Bemerkung
Measuring radio emission from air showers offers a novel way to determine properties of the primary cosmic rays such as their mass and energy. Theory predicts that relativistic time compression effects lead to a ring of amplified emission which starts to dominate the emission pattern for frequencies above similar to 100 MHz. In this article we present the first detailed measurements of this structure. Ring structures in the radio emission of air showers are measured with the LOFAR radio telescope in the frequency range of 110-190 MHz. These data are well described by CoREAS simulations. They clearly confirm the importance of including the index of refraction of air as a function of height. Furthermore, the presence of the Cherenkov ring offers the possibility for a geometrical measurement of the depth of shower maximum, which in turn depends on the mass of the primary particle. (C) 2014 Elsevier B.V. All rights reserved.
Stichworte
LOFAR;
Radio emission;
Cosmic rays;
Extensive air showers;
Time-compression
Erscheinungsjahr
2015
Zeitschriftentitel
Astroparticle Physics
Band
65
Seite(n)
11-21
ISSN
0927-6505
Page URI
https://pub.uni-bielefeld.de/record/2725010
Zitieren
Nelles A, Schellart P, Buitink S, et al. Measuring a Cherenkov ring in the radio emission from air showers at 110-190 MHz with LOFAR. Astroparticle Physics. 2015;65:11-21.
Nelles, A., Schellart, P., Buitink, S., Corstanje, A., de Vries, K. D., Enriquez, J. E., Falcke, H., et al. (2015). Measuring a Cherenkov ring in the radio emission from air showers at 110-190 MHz with LOFAR. Astroparticle Physics, 65, 11-21. doi:10.1016/j.astropartphys.2014.11.006
Nelles, A., Schellart, P., Buitink, S., Corstanje, A., de Vries, K. D., Enriquez, J. E., Falcke, H., et al. 2015. “Measuring a Cherenkov ring in the radio emission from air showers at 110-190 MHz with LOFAR”. Astroparticle Physics 65: 11-21.
Nelles, A., Schellart, P., Buitink, S., Corstanje, A., de Vries, K. D., Enriquez, J. E., Falcke, H., Frieswijk, W., Hoerandel, J. R., Scholten, O., et al. (2015). Measuring a Cherenkov ring in the radio emission from air showers at 110-190 MHz with LOFAR. Astroparticle Physics 65, 11-21.
Nelles, A., et al., 2015. Measuring a Cherenkov ring in the radio emission from air showers at 110-190 MHz with LOFAR. Astroparticle Physics, 65, p 11-21.
A. Nelles, et al., “Measuring a Cherenkov ring in the radio emission from air showers at 110-190 MHz with LOFAR”, Astroparticle Physics, vol. 65, 2015, pp. 11-21.
Nelles, A., Schellart, P., Buitink, S., Corstanje, A., de Vries, K.D., Enriquez, J.E., Falcke, H., Frieswijk, W., Hoerandel, J.R., Scholten, O., ter Veen, S., Thoudam, S., van den Akker, M., Anderson, J., Asgekar, A., Bell, M.E., Bentum, M.J., Bernardi, G., Best, P., Bregman, J., Breitling, F., Broderick, J., Brouw, W.N., Brueggen, M., Butcher, H.R., Ciardi, B., Deller, A., Duscha, S., Eisloeffel, J., Fallows, R.A., Garrett, M.A., Gunst, A.W., Hassall, T.E., Heald, G., Horneffer, A., Iacobelli, M., Juette, E., Karastergiou, A., Kondratiev, V.I., Kramer, M., Kuniyoshi, M., Kuper, G., Maat, P., Mann, G., Mevius, M., Norden, M.J., Paas, H., Pandey-Pommier, M., Pietka, G., Pizzo, R., Polatidis, A.G., Reich, W., Roettgering, H., Scaife, A.M.M., Schwarz, D., Smirnov, O., Stappers, B.W., Steinmetz, M., Stewart, A., Tagger, M., Tang, Y., Tasse, C., Vermeulen, R., Vocks, C., van Weeren, R.J., Wijnholds, S.J., Wucknitz, O., Yatawatta, S., Zarka, P.: Measuring a Cherenkov ring in the radio emission from air showers at 110-190 MHz with LOFAR. Astroparticle Physics. 65, 11-21 (2015).
Nelles, A., Schellart, P., Buitink, S., Corstanje, A., de Vries, K. D., Enriquez, J. E., Falcke, H., Frieswijk, W., Hoerandel, J. R., Scholten, O., ter Veen, S., Thoudam, S., van den Akker, M., Anderson, J., Asgekar, A., Bell, M. E., Bentum, M. J., Bernardi, G., Best, P., Bregman, J., Breitling, F., Broderick, J., Brouw, W. N., Brueggen, M., Butcher, H. R., Ciardi, B., Deller, A., Duscha, S., Eisloeffel, J., Fallows, R. A., Garrett, M. A., Gunst, A. W., Hassall, T. E., Heald, G., Horneffer, A., Iacobelli, M., Juette, E., Karastergiou, A., Kondratiev, V. I., Kramer, M., Kuniyoshi, M., Kuper, G., Maat, P., Mann, G., Mevius, M., Norden, M. J., Paas, H., Pandey-Pommier, M., Pietka, G., Pizzo, R., Polatidis, A. G., Reich, W., Roettgering, H., Scaife, A. M. M., Schwarz, Dominik, Smirnov, O., Stappers, B. W., Steinmetz, M., Stewart, A., Tagger, M., Tang, Y., Tasse, C., Vermeulen, R., Vocks, C., van Weeren, R. J., Wijnholds, S. J., Wucknitz, O., Yatawatta, S., and Zarka, P. “Measuring a Cherenkov ring in the radio emission from air showers at 110-190 MHz with LOFAR”. Astroparticle Physics 65 (2015): 11-21.
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