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Journal Articles Science China Physics, Mechanics & Astronomy Year : 2020

The Giant Radio Array for Neutrino Detection (GRAND): Science and design

Jaime Álvarez-Muñiz
  • Function : Author
Rafael Alves Batista
  • Function : Author
Aswathi Balagopal V.
  • Function : Author
Mauricio Bustamante
  • Function : Author
Washington Carvalho
  • Function : Author
Valentin Decoene
Peter Denton
  • Function : Author
Sijbrand de Jong
  • Function : Author
Krijn de Vries
  • Function : Author
Ralph Engel
  • Function : Author
Ke Fang
  • Function : Author
Chad Finley
  • Function : Author
Quanbu Gou
  • Function : Author
Junhua Gu
  • Function : Author
Hongbo Hu
  • Function : Author
Yan Huang
  • Function : Author
Sandra Le Coz
  • Function : Author
Guoliang Lü
  • Function : Author
Miguel Mostafá
  • Function : Author
Fabrice Mottez
  • Function : Author
  • PersonId : 832019
Kohta Murase
  • Function : Author
Valentin Niess
Foteini Oikonomou
  • Function : Author
Xiangli Qian
  • Function : Author
Bo Qin
  • Function : Author
Duan Ran
  • Function : Author
Markus Roth
  • Function : Author
Frank Schröder
  • Function : Author
Charles Timmermans
  • Function : Author
Matías Tueros
  • Function : Author
Xiangping Wu
  • Function : Author
B. Theodore Zhang
  • Function : Author
Jianli Zhang
  • Function : Author
Qian Zheng
  • Function : Author

Abstract

The Giant Radio Array for Neutrino Detection (GRAND) is a planned large-scale observatory of ultra-high-energy (UHE) cosmic particles, with energies exceeding 108 GeV. Its goal is to solve the long-standing mystery of the origin of UHE cosmic rays. To do this, GRAND will detect an unprecedented number of UHE cosmic rays and search for the undiscovered UHE neutrinos and gamma rays associated to them with unmatched sensitivity. GRAND will use large arrays of antennas to detect the radio emission coming from extensive air showers initiated by UHE particles in the atmosphere. Its design is modular: 20 separate, independent sub-arrays, each of 10000 radio antennas deployed over 10000 km2. A staged construction plan will validate key detection techniques while achieving important science goals early. Here we present the science goals, detection strategy, preliminary design, performance goals, and construction plans for GRAND.
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Dates and versions

hal-02392018 , version 1 (03-12-2019)

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Jaime Álvarez-Muñiz, Rafael Alves Batista, Aswathi Balagopal V., Julien Bolmont, Mauricio Bustamante, et al.. The Giant Radio Array for Neutrino Detection (GRAND): Science and design. Science China Physics, Mechanics & Astronomy, 2020, 63 (1), pp.219501. ⟨10.1007/s11433-018-9385-7⟩. ⟨hal-02392018⟩
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