Authors:
Ke Fang, Jaime Alvarez-Muniz, Rafael Alves Batista, Mauricio Bustamante, Washington Carvalho, Didier Charrier, Ismaël Cognard, Sijbrand de Jong, Krijn D. de Vries, Chad Finley, Quanbu GOU, Junhua Gu, Claire Guépin, Jordan Hanson, hongbo HU, Kumiko (...)
Ke Fang, Jaime Alvarez-Muniz, Rafael Alves Batista, Mauricio Bustamante, Washington Carvalho, Didier Charrier, Ismaël Cognard, Sijbrand de Jong, Krijn D. de Vries, Chad Finley, Quanbu GOU, Junhua Gu, Claire Guépin, Jordan Hanson, hongbo HU, Kumiko Kotera, Sandra Le Coz, Yi Mao, Olivier Martineau-Huynh, Clementina Medina, Miguel Mostafa, Fabrice Mottez, Kohta Murase, Valentin Niess, Foteini Oikonomou, Frank Schroeder, Cyril Tasse, Charles Timmermans, Nicolas Renault-Tinacci, Matías Tueros, Xiangping Wu, Philippe Zarka, Andreas Zech, Yi Zhang, Qian Zheng, Anne Zilles, Ismaël Cognard, Krijn D. de Vries, Claire Guépin, Jordan Hanson, Yi Mao, Fabrice Mottez, Qian Zheng
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Abstract:
The Giant Radio Array for Neutrino Detection (GRAND) aims at detecting ultra-high energy extraterrestrial neutrinos via the extensive air showers induced by the decay of tau leptons created in the interaction of neutrinos under the Earth's surface. Consisting of an array of $\sim10^5$ radio antennas deployed over $\sim 2\times10^5\,\rm {km}^2$, GRAND plans to reach, for the first time, an all-flavor sensitivity of $\sim1.5\times10^{-10} \,\rm GeV\, cm^{-2} \,s^{-1}\, sr^{-1}$ above $5\times10^{17}$ eV and a sub-degree angular resolution, beyond (...)
The Giant Radio Array for Neutrino Detection (GRAND) aims at detecting ultra-high energy extraterrestrial neutrinos via the extensive air showers induced by the decay of tau leptons created in the interaction of neutrinos under the Earth's surface. Consisting of an array of $\sim10^5$ radio antennas deployed over $\sim 2\times10^5\,\rm {km}^2$, GRAND plans to reach, for the first time, an all-flavor sensitivity of $\sim1.5\times10^{-10} \,\rm GeV\, cm^{-2} \,s^{-1}\, sr^{-1}$ above $5\times10^{17}$ eV and a sub-degree angular resolution, beyond the reach of other planned detectors. We describe here preliminary designs and simulation results, plans for the ongoing, staged approach to the construction of GRAND, and the rich research program made possible by GRAND's design sensitivity and angular resolution.
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