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10 results on '"M., Bertaina"'

1. Results of the first EUSO-Balloon flight

Author

M Bertaina and H Miyamoto

Subjects
Telescope, History, Geography, Altitude, law, Balloon, Laser, Computer Science Applications, Education, law.invention, Remote sensing
Abstract

EUSO-Balloon, a balloon-borne diffractive fluorescence telescope, was launched by the French Space Agency ONES from the Timmins base in Ontario (Canada) on August 25th in 2014. After reaching the floating altitude of about 38 km, EUSO-Balloon imaged the UV background for more than 5 hours before descending to ground using the key technologies of JEM-EUSO. A detailed and precise measurement of the UV background in different atmospheric and ground conditions was achieved. The instrument proved the capability of detecting Extensive Air Showers (EAS) by observing laser tracks with similar characteristics. This contribution will summarise the first results obtained concerning all the topics described above.

Published
2016

2. Air shower radio detection with LOPES

Author

J Blümer, W D Apel, J C Arteaga, T Asch, J Auffenberg, F Badea, L Bähren, K Bekk, M Bertaina, P L Biermann, H Bozdog, I M Brancus, M Brüggemann, P Buchholz, S Buitink, H Butcher, A Chiavassa, F Cossavella, K Daumiller, V de Souza, F Di Pierro, P Doll, R Engel, H Falcke, H Gemmeke, P L Ghia, R Glasstetter, C Grupen, A Haungs, D Heck, J R Hörandel, A Horneffer, T Huege, P G Isar, K-H Kampert, D Kickelbick, Y Kolotaev, O Krömer, J Kuijpers, S Lafebre, P Luczak, H J Mathes, H J Mayer, C Meurer, J Milke, B Mitrica, C Morello, G Navarra, S Nehls, A Nigl, J Oehlschläger, S Ostapchenko, S Over, M Petcu, J Petrovic, T Pierog, S Plewnia, J Rautenberg, H Rebel, M Roth, A Saftoiu, H Schieler, O Sima, K Singh, M Stümpert, G Toma, G C Trinchero, H Ulrich, J van Buren, W Walkowiak, A Weindl, J Wochele, J Zabierowski, J A Zensus, and the LOPES Collaboration

Subjects
Physics, History, Data processing, LOPES, business.industry, Detector, Electrical engineering, Digital radio, Computer Science Applications, Education, Interferometry, Air shower, High bandwidth, business, Radio detection
Abstract

LOPES is an array of 30 radio antenna co-located with the KASCADE-Grande extensive air shower detector in Karlsruhe, Germany. It is designed as a digital radio interferometer for the detection of radio emission from extensive air showers. LOPES features high bandwidth and fast data processing. A unique asset is the concurrent operation with KASCADE-Grande. We report about the progress in understanding the radio signals measured by LOPES. In addition, the status and further perspectives of LOPES and the large scale application of this novel detection technique are sketched.

Published
2008

3. Search for Large-scale Anisotropy in the Arrival Direction of Cosmic Rays with KASCADE-Grande.

Author

W. D. Apel, J. C. Arteaga-Velázquez, K. Bekk, M. Bertaina, J. Blümer, R. Bonino, H. Bozdog, I. M. Brancus, E. Cantoni, A. Chiavassa, F. Cossavella, K. Daumiller, V. de Souza, F. Di Pierro, P. Doll, R. Engel, D. Fuhrmann, A. Gherghel-Lascu, H. J. Gils, and R. Glasstetter

Subjects
COSMIC rays, CASCADE theory (Cosmic rays), COSMIC ray energy spectra, PARTICLE physics, ANISOTROPY
Abstract

We present the results of the search for large-scale anisotropies in the arrival directions of cosmic rays performed with the KASCADE-Grande experiment at energies higher than eV. To eliminate spurious anisotropies due to atmospheric or instrumental effects we apply the east–west method. We show, using the solar time distribution of the number of counts, that this technique allow us to remove correctly the count variations not associated to real anisotropies. By applying the east–west method we obtain the distribution of number of counts in intervals of 20 minutes of sidereal time. This distribution is then analyzed by searching for a dipole component; the significance of the amplitude of the first harmonic is 3.5σ, therefore, we derive its upper limit. The phase of the first harmonic is determined with an error of a few hours and is in agreement with the measurements obtained in the 1014 < E < 2 × 1015 eV energy range by the EAS-TOP, IceCube, and IceTop experiments. This supports the hypothesis of a change of the phase of the first harmonic at energies greater than ∼2 × 1014 eV. [ABSTRACT FROM AUTHOR]

Published
2019
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4. Preliminary analysis of EUSO—TA data.

Author

F Fenu, L W Piotrowski, H Shin, A Jung, S Bacholle, F Bisconti, F Capel, J Eser, Y Kawasaki, E Kuznetsov, O Larsson, S Mackovjak, H Miyamoto, Z Plebaniak, G Prevot, M Putis, K Shinozaki, J Adams, M Bertaina, and P Bobik

Published
2016
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10. KCDC — The KASCADE Cosmic-ray Data Centre.

Author

A Haungs, J Blumer, B Fuchs, D Kang, S Schoo, D Wochele, J Wochele, W D Apel, J C Arteaga-Velázquez, K Bekk, M Bertaina, H Bozdog, I M Brancus, E Cantoni, A Chiavassa, F Cossavella, K Daumiller, V de Souza, F Di Pierro, and P Doll

Published
2015
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