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Radio Cherenkov emission underlines detection of high energy particles via a signal growing like the particle-energy-squared. Cosmic ray-induced electromagnetic showers are a primary application. While many studies have treated the…

Astrophysics · Physics 2009-10-31 Roman V. Buniy , John P. Ralston

We describe a method of reconstructing air showers induced by cosmic rays using deep learning techniques. We simulate an observatory consisting of ground-based particle detectors with fixed locations on a regular grid. The detector's…

Instrumentation and Methods for Astrophysics · Physics 2017-11-01 Martin Erdmann , Jonas Glombitza , David Walz

The electric field of the Cherenkov radio pulse produced by a single charged particle track in a dielectric medium is derived from first principles. An algorithm is developed to obtain the pulse in the time domain for numerical…

High Energy Astrophysical Phenomena · Physics 2014-11-20 Jaime Alvarez-Muniz , Andres Romero-Wolf , Enrique Zas

We describe a method for removing ionospheric effects from single-frequency radio data a posteriori. This method is based on a theoretical climatological model developed by the USAF, which returns electron density as a function of position…

Astrophysics · Physics 2009-10-31 R. M. Campbell

The radio emission of cosmic-ray air-showers changes significantly depending on parameters like signal frequency, magnetic field configuration and observing altitude. We use CoREAS simulations to adapt an existing signal model for the radio…

Instrumentation and Methods for Astrophysics · Physics 2025-07-10 Lukas Gülzow , Ralph Engel , Tim Huege , Markus Roth , Felix Schlüter

Over the last decades, radio detection of air showers has been established as a detection technique for ultra-high-energy cosmic-rays impinging on the Earth's atmosphere with energies far beyond LHC energies. Today's second-generation of…

Instrumentation and Methods for Astrophysics · Physics 2018-09-14 Anne Zilles , Didier Charrier , Kumiko Kotera , Sandra Le Coz , Olivier Martineau-Huynh , Clementina Medina , Valentin Niess , Matias Tueros , Krijn de Vries

Accurate reconstruction of the electric field produced by extensive air showers is essential for the radio-detection technique, as the key parameters of interest of the primary particles that generated the showers are the amplitude,…

Instrumentation and Methods for Astrophysics · Physics 2025-07-11 Kewen Zhang , Lukas Gülzow , Tim Huege , Ramesh Koirala , Pengxiong Ma , Matías Tueros , Xin Xu , Chao Zhang , Pengfei Zhang , Yi Zhang

We introduce neural information field filter, a Bayesian state and parameter estimation method for high-dimensional nonlinear dynamical systems given large measurement datasets. Solving such a problem using traditional methods, such as…

Machine Learning · Statistics 2024-12-17 Kairui Hao , Ilias Bilionis

We present an approximation for the numerical calculation of Cherenkov radio pulses in the Fraunhofer limit from very high energy showers in dense media. We compare it to full Montecarlo simulations in ice studying its range of…

Astrophysics · Physics 2009-12-30 J. Alvarez-Muñiz , R. A. Vázquez , E. Zas

To exploit the wealth of information carried by the short transient radio pulses from air showers, the frequency spectra of the signals have to be investigated. Here, we study the spectral content of radio signals produced by inclined…

Instrumentation and Methods for Astrophysics · Physics 2024-07-29 Sara Martinelli , Felix Schlueter , Tim Huege

The investigation of the Earth ionosphere both in a quiet and a disturbed states is still desirable. Despite recent progress in its modeling and in estimating the electron concentration along the line of sight by GPS signals, the impact of…

Earth and Planetary Astrophysics · Physics 2018-03-14 O. M. Ulyanov , A. I. Shevtsova , D. V. Mukha , A. A. Seredkina

Nested sampling provides an estimate of the evidence of a Bayesian inference problem via probing the likelihood as a function of the enclosed prior volume. However, the lack of precise values of the enclosed prior mass of the samples…

Computational Physics · Physics 2024-11-27 Margret Westerkamp , Jakob Roth , Philipp Frank , Will Handley , Torsten Enßlin

Broadband radio waves emitted from pulsars are distorted and delayed as they propagate toward the Earth due to interactions with the free electrons that compose the interstellar medium, with lower radio frequencies being more impacted than…

High Energy Astrophysical Phenomena · Physics 2023-06-12 Olivia Young , Michael Lam

Radio antennas have become a standard tool for the detection of cosmic-ray air showers in the energy range above $10^{16}\,$eV. The radio signal of these air showers is generated mostly due to the deflection of electrons and positrons in…

High Energy Astrophysical Phenomena · Physics 2025-10-28 Frank G. Schröder

Information theory is used to perform a thermodynamic study of non equilibrium anisotropic radiation. We limit our analysis to a second-order truncation of the moments, obtaining a distribution function which leads to a natural closure of…

Statistical Mechanics · Physics 2009-10-30 Raquel Dominguez-Cascante

A precise understanding of the radio emission from extensive air showers is of fundamental importance for the design of cosmic ray radio detectors as well as the analysis and interpretation of their data. In recent years, tremendous…

High Energy Astrophysical Phenomena · Physics 2015-06-12 T. Huege

This review provides an introduction to the radio emission by particle cascades, an overview on the various experiments, and explains methods for the radio measurement of air-shower properties. Furthermore, potential applications of the…

Instrumentation and Methods for Astrophysics · Physics 2017-01-04 Frank G. Schröder

The mass composition of cosmic rays contains important clues about their origin. Accurate measurements are needed to resolve long-standing issues such as the transition from Galactic to extragalactic origin, and the nature of the cutoff…

Instrumentation and Methods for Astrophysics · Physics 2015-06-22 S. Buitink , A. Corstanje , J. E. Enriquez , H. Falcke , J. R. Hörandel , T. Huege , A. Nelles , J. P. Rachen , P. Schellart , O. Scholten , S. ter Veen , S. Thoudam , T. N. G. Trinh

Extensive air showers still are our only access to the highest-energy particles in the universe, namely cosmic-ray nuclei with energies up to several 100 EeV. Studying open questions in cosmic-ray physics, like their yet unknown origin…

High Energy Astrophysical Phenomena · Physics 2017-04-21 Frank G. Schröder

Nearly 50 years ago, the first radio signals from cosmic ray air showers were detected. After many successful studies, however, research ceased not even 10 years later. Only a decade ago, the field was revived with the application of…

Instrumentation and Methods for Astrophysics · Physics 2015-06-17 Tim Huege