التفاصيل البيبلوغرافية
| العنوان: |
Cosmic Ray Mass Measurements with LOFAR. |
| المؤلفون: |
Buitink, Stijn, Bonardi, Antonio, Corstanje, Arthur, Enrique, J. Emilio, Falcke, Heino, Hörandel, Jörg R., Mitra, Pragati, Mulrey, Katie, Nelles, Anna, Rossetto, Laura, Rachen, Jörg Paul, Schellart, Pim, Scholten, Olaf, Thoudam, Satyendra, Trinh, Gia, Veen, Sander ter, Winchen, Tobias |
| المصدر: |
EPJ Web of Conferences; 2017, Vol. 135, p1-6, 6p |
| مصطلحات موضوعية: |
DIPOLE antennas, RADIO frequency, PARTICLE density (Nuclear chemistry), COSMIC rays, PARTICLE physics |
| مستخلص: |
In the dense core of LOFAR individual air showers are detected by hundreds of dipole antennas simultaneously. We reconstruct Xmax by using a hybrid technique that combines a two-dimensional fit of the radio profile to CoREAS simulations and a one-dimensional fit of the particle density distribution. For high-quality detections, the statistical uncertainty on Xmax is smaller than 20 g/cm2. We present results of cosmic-ray mass analysis in the energy regime of 1017 - 1017.5 eV. This range is of particular interest as it may harbor the transition from a Galactic to an extragalactic origin of cosmic rays. [ABSTRACT FROM AUTHOR] |
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