Publication

Cosmic Ray Mass Measurements with LOFAR

Buitink, S., Bonardi, A., Corstanje, A., Enriquez, J. E., Falcke, H., Hörandel, J. R., Mitra, P., Mulrey, K., Nelles, A., Rachen, J. P., Rossetto, L., Schellart, P., Scholten, O., Thoudam, S., Trinh, G., ter Veen, S. & Winchen, T., 15-Mar-2017, In : EPJ Web of Conferences. 135, 6 p., 01009.

Research output: Contribution to journalArticleAcademicpeer-review

  • Stijn Buitink
  • Antonio Bonardi
  • Arthur Corstanje
  • J. Emilio Enriquez
  • Heino Falcke
  • Jörg R. Hörandel
  • Pragati Mitra
  • Katie Mulrey
  • Anna Nelles
  • Jörg Paul Rachen
  • Laura Rossetto
  • Pim Schellart
  • Olaf Scholten
  • Satyendra Thoudam
  • Gia Trinh
  • Sander ter Veen
  • Tobias Winchen
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.
Original languageEnglish
Article number01009
Number of pages6
JournalEPJ Web of Conferences
Volume135
Publication statusPublished - 15-Mar-2017

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