24-28 February 2020
Budker Institute of Nuclear Physics
Asia/Novosibirsk timezone

Towards an air-shower self-trigger for the sparse digital radio arrays

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Budker Institute of Nuclear Physics

Budker Institute of Nuclear Physics

11, akademika Lavrentieva prospect, Novosibirsk, Russia
Board: 89
Poster Electronics, Trigger and Data Acquisition


Mr Stanislav Malakhov (ISU)


The study of the ultra-high energy cosmic rays, neutrinos and gamma rays is one of the most important challenges in astrophysics. The low fluxes of these particles do not allow one to detect them directly. The detection is performed by measuring the cascades initiated by primary particles in the Earth atmosphere, namely air-showers. One of the perspective methods of the air-showers detection is the measuring of its radio emission. A radio detector is a cost-effective instrument which provides precise reconstruction of the parameters of primary particle and almost full duty cycle in comparison with other techniques. The main disadvantage of the modern radio detectors is the absence of established self-trigger technology due to high-level background and radio frequency interferences. In the most modern instruments the trigger is generated either by particle or by optical detectors. The development of the self-trigger for the radio detector will significantly simplify the operation of existing instruments and taking main advantages of the radio method as well as open the way to the construction of a new generation of radio detectors.In the present work we discuss the possible techniques for selection of air-shower signal from the background and our current progress on this problem.

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