Explanipedia

Towards the Giant Radio Array for Neutrino Detection (GRAND): the GRANDProto300 and GRAND@Auger prototypes Open

J Álvarez-Muñiz, Rafael Alves Batista, Rafael Alves Batista, Teresa Bister, Teresa Bister , et al. · 2025

The Giant Radio Array for Neutrino Detection (GRAND) is a proposed multi-messenger observatory of ultra-high-energy (UHE) particles of cosmic origin. Its main goal is to find the long-sought origin of UHE cosmic rays by detecting large num…

The Hybrid Elevated Radio Observatory for Neutrinos (HERON) Project Open

Kumiko Kotera, B. R. Dawson, Grand Collaboration, Ingo Allekotte, Jaime Álvarez-Muñiz , et al. · 2025

The Giant Radio Array for Neutrino Detection - experimental status and plans Open

O. Martineau‐Huynh · 2025

Reconstruction of inclined cosmic ray properties with GRAND data Open

Marion Guelfand, Pauline Fritsch, Valentin Decoene, O. Martineau‐Huynh, Mauricio Bustamante · 2025

International audience

Optimizing HERON for 100 PeV Neutrino Detection Open

Andrew Zeolla, Ingo Allekotte, Jaime Álvarez-Muñiz, Sergio Cabana-Freire, Valentin Decoene , et al. · 2025

The Hybrid Elevated Radio Observatory for Neutrinos (HERON) is designed to target the astrophysical flux of Earth-skimming tau neutrinos at 100 PeV. HERON consists of multiple compact, phased radio arrays embedded within a larger sparse ar…

The Giant Radio Array for Neutrino Detection (GRAND) Collaboration -- Contributions to the 39th International Cosmic Ray Conference (ICRC 2025) Open

Jaime Álvarez-Muñiz, Rafael Alves Batista, A. Benoit-Lévy, Teresa Bister, Martina Boháčová , et al. · 2025

The Giant Radio Array for Neutrino Detection (GRAND) is an envisioned observatory of ultra-high-energy particles of cosmic origin, with energies in excess of 100 PeV. GRAND uses large surface arrays of antennas to look for the radio emissi…

Reconstruction of inclined cosmic-ray properties with GRAND data Open

Marion Guelfand, Pauline Fritsch, Valentin Decoene, O. Martineau‐Huynh, Mauricio Bustamante · 2025

Radio-detection is now an established technique for studying ultra-high-energy (UHE) cosmic rays with energies exceeding $\sim 10^{17}$ eV. The next generation of radio experiments, such as the Giant Radio Array for Neutrino Detection (GRA…

The Hybrid Elevated Radio Observatory for Neutrinos (HERON) Project Open

Kumiko Kotera, Ingo Allekotte, Jaime Álvarez-Muñiz, Sergio Cabana-Freire, Valentin Decoene , et al. · 2025

Measuring ultra-high energy neutrinos, with energies above $10^{16}$ eV, is the next frontier of the emerging multi-messenger era. Their detection requires building a large-scale detector with 10 times the instantaneous sensitivity of curr…

Reconstruction of inclined extensive air showers using radio signals: From arrival times and amplitudes to direction and energy Open

Marion Guelfand, Valentin Decoene, O. Martineau‐Huynh, S. Prunet, Matias Jorge Tueros , et al. · 2025

Observational strategies for ultrahigh-energy neutrinos: the importance of deep sensitivity for detection and astronomy Open

Kumiko Kotera, Mainak Mukhopadhyay, Rafael Alves Batista, D. B. Fox, O. Martineau‐Huynh , et al. · 2025

Detecting ultrahigh-energy neutrinos can take two complementary approaches with different trade-offs. 1)~Wide and shallow: aim for the largest effective volume, and to be cost-effective, go for wide field-of-view but at the cost of a shall…

Reconstruction of highly inclined extensive air showers in GRAND Open

Oscar Macías, A. Benoit-Lévy, Valentin Decoene, Arsène Ferrière, Marion Guelfand , et al. · 2024

International audience

Development of an Autonomous Detection-Unit Self-Trigger for GRAND Open

Pablo Correa, Jean-Marc Colley, T. Huege, Kumiko Kotera, Sandra Le Coz , et al. · 2024

International audience

Next-Generation Triggering: A Novel Event-Level Approach Open

Jelena Köhler, A. Benoit-Lévy, Pablo Correa, Arsène Ferrière, T. Huege , et al. · 2024

Large-scale cosmic-ray detectors like the Giant Radio Array for Neutrino Detection (GRAND) are pushing the boundaries of our ability to identify air shower events. Existing trigger schemes rely solely on the timing of signals detected by i…

The Giant Radio Array for Neutrino Detection (GRAND) Collaboration -- Contributions to the 10th International Workshop on Acoustic and Radio EeV Neutrino Detection Activities (ARENA 2024) Open

Rafael Alves Batista, A. Benoit-Lévy, Teresa Bister, Martina Boháčová, Mauricio Bustamante , et al. · 2024

This is an index of the contributions by the Giant Radio Array for Neutrino Detection (GRAND) Collaboration to the 10th International Workshop on Acoustic and Radio EeV Neutrino Detection Activities (ARENA 2024, University of Chicago, June…

Development of an Autonomous Detection-Unit Self-Trigger for GRAND Open

Pablo Correa, Jean-Marc Colley, T. Huege, Kumiko Kotera, Sandra Le Coz , et al. · 2024

One of the major challenges for the radio detection of extensive air showers, as encountered by the Giant Radio Array for Neutrino Detection (GRAND), is the requirement of an autonomous radio self-trigger. This work presents the current de…

Reconstruction of highly inclined extensive air showers in GRAND Open

Oscar Macías, A. Benoit-Lévy, Valentin Decoene, Arsène Ferrière, Marion Guelfand , et al. · 2024

The Giant Radio Array for Neutrino Detection (GRAND) aims to detect highly inclined extensive air showers (EAS) with down-going and up-going trajectories. Several working groups in the GRAND collaboration are developing methods to reconstr…

Grandlib: A Simulation Pipeline for the Giant Radio Array for Neutrino Detection (Grand) Open

Rafael Alves Batista, A. Benoit-Lévy, Teresa Bister, Martina Boháčová, Mauricio Bustamante , et al. · 2024

Snowmass UHECR Whitepaper: Requirements on Future Instrumentation Open

Frank Schröder, Alan Coleman, Johannes Eser, Eric William Mayotte, F. Sarazin , et al. · 2023

Complementing the overview contribution about the whitepaper on ultra-high-energy cosmic rays (UHECR) prepared for the Snowmass community survey in the U.S. [Astroparticle Physics 149 (2023) 102819 - arXiv:2205.05845], this contribution fo…

“Ultra-High-Energy Cosmic-Rays (UHECR): at the Intersection of the Cosmic and Energy Frontiers” -- Overview of the Snowmass UHECR white paper and roadmap Open

F. Sarazin, Alan Coleman, J. Eser, Eric William Mayotte, F. Schroeder , et al. · 2023

As part of the US "Snowmass" community planning exercise, the UHECR community has come together to write a comprehensive white paper discussing the recent progress and open questions of the field, as they relate to the overarching goals of…

The Giant Radio Array for Neutrino Detection (GRAND) Collaboration -- Contributions to the 38th International Cosmic Ray Conference (ICRC 2023) Open

Grand Collaboration, Rafael Alves Batista, A. Benoit-Lévy, Teresa Bister, Mauricio Bustamante , et al. · 2023

The Giant Radio Array for Neutrino Detection (GRAND) is an envisioned observatory of ultra-high-energy particles of cosmic origin, with energies in excess of 100 PeV. GRAND uses large surface arrays of autonomous radio-detection units to l…

The Giant Radio Array for Neutrino Detection Open

O. Martineau‐Huynh · 2023

Ultra-high-energy cosmic neutrinos (UHE), with energies above 100 PeV, are unparalleled probes of the most energetic astrophysical sources and weak interactions at energies beyond the reach of accelerators. GRAND is an envisioned observato…

A neural network to classify GRAND radio time traces Open

Sandra Le Coz, O. Martineau‐Huynh, A. Benoit-Lévy · 2023

GRAND is a Ultra High Energy (UHE) cosmic particles detection project, consisting in a giant,\nself-triggered, antenna array. Wherever we decide to setup the antennas apart from polar areas,\nwe will generally face a high rate of backgroun…

Ultra high energy cosmic rays The intersection of the Cosmic and Energy Frontiers Open

A. Coleman, J. Eser, Eric William Mayotte, F. Sarazin, Frank Schröder , et al. · 2023

Publisher's Note: Open

A. Coleman, J. Eser, Eric William Mayotte, F. Sarazin, Frank Schröder , et al. · 2022

Radio wavefront of very inclined extensive air-showers: A simulation study for extended and sparse radio arrays Open

Valentin Decoene, O. Martineau‐Huynh, Matias Jorge Tueros · 2022

Polarisation signatures in radio for inclined cosmic-ray induced air-shower identification Open

Simon Chiche, Kumiko Kotera, O. Martineau‐Huynh, Matias Jorge Tueros, K. D. de Vries · 2022

Radio-Morphing: a fast, efficient and accurate tool to compute the radio signals from air-showers Open

Simon Chiche, O. Martineau‐Huynh, Kumiko Kotera, Matias Jorge Tueros, K. D. de Vries · 2022

Radio detection of air-showers is a mature technique that has gained momentum over the past decades. With increasingly large-scale experiments, massive air-shower simulations are needed to evaluate the radio signal at each antenna position…

The Large High Altitude Air Shower Observatory (LHAASO) Science Book \n (2021 Edition) Open

Xue‐Ning Bai, Baiyang Bi, X. J. Bi, Z. Cao, Shanqi Chen , et al. · 2022

Since the science white paper of the Large High Altitude Air Shower \nObservatory (LHAASO) published on arXiv in 2019 [e-Print: 1905.02773 \n(astro-ph.HE)], LHAASO has completed the transition from a project to an \noperational gamma-ray a…

Chapter 4 Cosmic-Ray Physics * Open

Benedetto D’Ettorre Piazzoli, Siming Liu, D. della Volpe, Z. Cao, A. Chiavassa , et al. · 2021

In the first part of this Chapter the present state of knowledge from the observations of cosmic rays between 10 13 and 10 20 eV is summarized. This is not intended to be a complete review, but rather a broad overview of the relevant proce…

The path towards the Giant Radio Array for Neutrino Detection Open

O. Martineau‐Huynh · 2021

O. Martineau‐Huynh YOU? Author Swipe