EPJ Web Conf.
Volume 216, 20198th International Conference on Acoustic and Radio EeV Neutrino Detection Activities (ARENA 2018)
|Number of page(s)||3|
|Published online||24 September 2019|
Radio universality and template-based pulse synthesis
IKP, Karlsruher Institut fur Technologie, 76021
2 KVI - Center for Advanced Radiation Technology, Zernikelaan 25 NL-9747 AA Groningen, The Netherlands
3 Astrophysical Institute, Vrije Universiteit Brussel,Pleinlaan 2, 1050 Brussel, Belgium
4 Interuniversity Institute for High-Energy, Vrije Universiteit Brussel,Pleinlaan 2, 1050 Brussel, Belgium
5 David Butler acknowledges the support by the DFG-funded Doctoral School “Karlsruhe School of Elementary and Astroparticle Physics: Science and Technology”
★ e-mail: firstname.lastname@example.org
Published online: 24 September 2019
When discussing radio emission from cosmic ray air showers we commonly make a number of assumptions regardingthe production and propagation physics. Incorporating all of these it should be possible to construct a forward model to predict the radio signal produced by an air shower from simple parameters, an application and generalisation of shower universality to radio emission.
In terms of particle detection shower universality focuses on the one-dimensional longitudinal profile, counting only the number of particles. This appears insufficient in the context of radio emission, the particle cascade develops on the scale of traversed atmospheric depth while electromagnetic radiation scales with the geometric trajectories of the sources. Further a real shower extends several radio wavelengths in the lateral directionwhile analyses often assume a point source on the shower axis.
Our simulation studies show an unanticipated complexity in the radio output responsible for around 10% variation in the signals. We are still in the process of identifying the relevant quantities and improving our analytical modeling accordingly.
© The Authors, published by EDP Sciences, 2019
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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