Detector developments for a hybrid particle and radio detector

Large-scale air-shower arrays could profit from a radio sub-detector as the radio emission during air showers
is sensitive to the electromagnetic component. E.g. using hybrid particle and radio detectors at the IceCube
site would not only improve the veto capabilities of IceTop but would also enable the enhanced measurement
and reconstruction of Extensive Air Showers (EAS) induced by cosmic rays. Especially with an array of radio
antennas in combination with particle detectors, highly inclined EAS can be detected. This gives rise to new
science cases, e.g. the search for PeV gamma rays coming from the Galactic Center which is visible from
the IceCube site all over the year at an inclination of 61°. A scintillation based particle-detector with Silicon
Photomultiplier (SiPM) read-out has been developed and test measurements with a prototype radio antenna
are ongoing.
This talk will focus on the hardware development of the hybrid detector including the SiPM characterization
and read-out as well as tests with the radio antenna in combined measurements. Concepts of a DAQ for
a hybrid particle and radio detector will be presented and recent results of a test array consisting of four
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antennas and two different particle detector arrays will be shown.