7-10 June 2016
Groningen, Netherlands
Europe/Amsterdam timezone

Cosmic-ray mass composition with LOFAR

9 Jun 2016, 09:00
Groningen, Netherlands

Groningen, Netherlands

Hampshire Plaza Hotel
Invited talk Presentations


Stijn Buitink (Vrije Universiteit Brussel (VUB))


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 <20 g/cm$^2$. We present results of cosmic-ray mass analysis in the energy regime of $10^{17}$ - $10^{17.5}$ eV. This range is of particular interest as it may harbor the transition from a Galactic to an extragalactic origin of cosmic rays.

Primary author

Stijn Buitink (Vrije Universiteit Brussel (VUB))

Presentation Materials

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