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Abstract:

We describe the experimental setup and the results of RAuger, a small radio-antenna array, consisting of three fully autonomous and self-triggered radio-detection stations, installed close to the center of the Surface Detector (SD) of the Pierre Auger Observatory in Argentina. The setup has been designed for the detection of the electric field strength of air showers initiated by ultra-high energy cosmic rays, without using an auxiliary trigger from another detection system. Installed in December 2006, RAuger was terminated in May 2010 after 65 registered coincidences with the SD. The sky map in local angular coordinates (i.e., zenith and azimuth angles) of these events reveals a strong azimuthal asymmetry which is in agreement with a mechanism dominated by a geomagnetic emission process. The correlation between the electric field and the energy of the primary cosmic ray is presented for the first time, in an energy range covering two orders of magnitude between 0.1 EeV and 10 EeV. It is demonstrated that this setup is relatively more sensitive to inclined showers, with respect to the SD. In addition to these results, which underline the potential of the radio-detection technique, important information about the general behavior of self-triggering radio-detection systems has been obtained. In particular, we will discuss radio self-triggering under varying local electric-field conditions. © 2012 IOP Publishing Ltd and Sissa Medialab srl.

Registro:

Documento: Artículo
Título:Results of a self-triggered prototype system for radio-detection of extensive air showers at the Pierre Auger Observatory
Autor:Acounis, S. et al.
Este artículo contiene 517 autores, consultelos en el artículo en formato pdf.
Filiación: Este artículo contiene 517 autores con sus filiaciones, consultelas en el artículo en formato pdf.
Palabras clave:Antennas; Large detector systems for particle and astroparticle physics; Antenna arrays; Antennas; Augers; Cosmology; Electric fields; Geomagnetism; Observatories; Astroparticle physics; Azimuthal asymmetries; Electric field strength; Extensive air showers; Local electric field; Pierre Auger observatory; Radio detection systems; Ultra high-energy cosmic rays; Cosmic rays
Año:2012
Volumen:7
Número:11
DOI: http://dx.doi.org/10.1088/1748-0221/7/11/P11023
Título revista:Journal of Instrumentation
Título revista abreviado:J. Instrum.
ISSN:17480221
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_17480221_v7_n11_p_Acounis

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Citas:

---------- APA ----------
(2012) . Results of a self-triggered prototype system for radio-detection of extensive air showers at the Pierre Auger Observatory. Journal of Instrumentation, 7(11).
http://dx.doi.org/10.1088/1748-0221/7/11/P11023
---------- CHICAGO ----------
Acounis, S. "Results of a self-triggered prototype system for radio-detection of extensive air showers at the Pierre Auger Observatory" . Journal of Instrumentation 7, no. 11 (2012).
http://dx.doi.org/10.1088/1748-0221/7/11/P11023
---------- MLA ----------
Acounis, S. "Results of a self-triggered prototype system for radio-detection of extensive air showers at the Pierre Auger Observatory" . Journal of Instrumentation, vol. 7, no. 11, 2012.
http://dx.doi.org/10.1088/1748-0221/7/11/P11023
---------- VANCOUVER ----------
Acounis, S. Results of a self-triggered prototype system for radio-detection of extensive air showers at the Pierre Auger Observatory. J. Instrum. 2012;7(11).
http://dx.doi.org/10.1088/1748-0221/7/11/P11023