The giant radio array for neutrino detection

Olivier Martineau-Huynh, Kumiko Kotera, Didier Charrier, Sijbrand De Jong, Krijn D. De Vries, Ke Fang, Zhaoyang Feng, Chad Finley, Quanbu Gou, Junhua Gu, Hongbo Hu, Kohta Murase, Valentin Niess, Foteini Oikonomou, Nicolas Renault-Tinacci, Julia Schmid, Charles Timmermans, Zhen Wang, Xiangping Wu, Jianli ZhangYi Zhang

Research output: Contribution to journalConference articlepeer-review

5 Scopus citations


High-energy neutrino astronomy will probe the working of the most violent phenomena in the Universe. The Giant Radio Array for Neutrino Detection (GRAND) project consists of an array of - 105 radio antennas deployed over -200 000 km2 in a mountainous site. It aims at detecting high-energy neutrinos via the measurement of air showers induced by the decay in the atmosphere of t leptons produced by the interaction of the cosmic neutrinos under the Earth surface. Our objective with GRAND is to reach a neutrino sensitivity of 3×10-11E-2 GeV-1 cm-2 s-1 sr-1 above 3×1016 eV. This sensitivity ensures the detection of cosmogenic neutrinos in the most pessimistic source models, and about 100 events per year are expected for the standard models. GRAND would also probe the neutrino signals produced at the potential sources of UHECRs. We show how our preliminary design should enable us to reach our sensitivity goals, and present the experimental characteristics. We assess the possibility to adapt GRAND to other astrophysical radio measurements. We discuss in this token the technological options for the detector and the steps to be taken to achieve the GRAND project.

Original languageEnglish (US)
Article number1143
JournalProceedings of Science
StatePublished - 2015
Event34th International Cosmic Ray Conference, ICRC 2015 - The Hague, Netherlands
Duration: Jul 30 2015Aug 6 2015

All Science Journal Classification (ASJC) codes

  • General


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