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

Simulation study on high-precision radio measurements of the depth of shower maximum with SKA1-low

10 Jun 2016, 11:30
20m
Groningen, Netherlands

Groningen, Netherlands

Hampshire Plaza Hotel

Speaker

Anne Zilles (KIT)

Description

As LOFAR has shown, using a dense array of radio antennas for detecting extensive air showers initiated by cosmic rays in the Earth’s atmosphere makes it possible to
measure the depth of shower maximum for individual showers with a statistical uncertainty less than $20\,\mbox{g/cm}^2$. This allows detailed studies of the mass composition in the energy region around $10^{17}\mbox{eV}$ where the transition from a galactic to an extragalactic origin could occur.
Since SKA1-low will provide a much denser and very homogeneous antenna array with a large bandwidth of $50-350\,\mbox{MHz}$ it is expected to reach an uncertainty on the $X_{max}$ reconstruction of less than $10\,\mbox{g/cm}^2$.
We present first results of a simulation study with focus on the potential to reconstruct the depth of shower maximum for individual showers to be measured with SKA1-low. In addition, possible influences of various parameters such as the numbers of antennas included in the analysis or the considered frequency bandwidth will be discussed.

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