Radio measurements of the energy and the depth of the shower maximum of cosmic-ray air showers by Tunka-Rex

Bezyazeekov, P.A.; Budnev, N.M.; Gress, O.A.; Haungs, A.; Hiller, R.; Huege, T.; Kazarina, Y.; Kleifges, M.; Konstantinov, E.N.; Korosteleva, E.E.; Kostunin, D.; Kr¨omer, O.; Kuzmichev, L.A.; Lubsandorzhiev, N.; Mirgazov, R.R.; Monkhoev, R.; Pakhorukov, A.; Pankov, L.; Prosin, V.V.; Rubtsov, G.I.; Schr¨oder, F.G.; Wischnewski, R.; Zagorodnikov, A.

Статья опубликована в высокорейтинговом журнале

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Дата последнего поиска статьи во внешних источниках: 24 мая 2016 г.

Авторы: Bezyazeekov P.A., Budnev N.M., Gress O.A., Haungs A., Hiller R., Huege T., Kazarina Y., Kleifges M., Konstantinov E.N., Korosteleva E.E., Kostunin D., Kr¨omer O., Kuzmichev L.A., Lubsandorzhiev N., Mirgazov R.R., Monkhoev R., Pakhorukov A., Pankov L., Prosin V.V., Rubtsov G.I., Schr¨oder F.G., Wischnewski R., Zagorodnikov A.
Журнал: Journal of Cosmology and Astroparticle Physics
Том: 2016
Номер: 1
Год издания: 2016
Издательство: IOP Publishing
Местоположение издательства: [Bristol, UK], England
Первая страница: 052
DOI: 10.1088/1475-7516/2016/01/052
Аннотация: We reconstructed the energy and the position of the shower maximum of air showers with energies E 100 PeV applying a method using radio measurements performed with Tunka-Rex. An event-to-event comparison to air-Cherenkov measurements of the same air showers with the Tunka-133 photomultiplier array confirms that the radio reconstruction works reliably. The Tunka-Rex reconstruction methods and absolute scales have been tuned on CoREAS simulations and yield energy and Xmax values consistent with the Tunka-133 measurements. The results of two independent measurement seasons agree within statistical uncertainties, which gives additional confidence in the radio reconstruction. The energy precision of Tunka-Rex is comparable to the Tunka-133 precision of 15%, and exhibits a 20% uncertainty on the absolute scale dominated by the amplitude calibration of the antennas. For Xmax, this is the first direct experimental correlation of radio measurements with a different, established method. At the moment, the Xmax resolution of Tunka-Rex is approximately 40 g/cm2. This resolution can probably be improved by deploying additional antennas and by further development of the reconstruction methods, since the present analysis does not yet reveal any principle limitations
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Radio measurements of the energy and the depth of the shower maximum of cosmic-ray air showers by Tunka-Rexстатья

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