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

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  • Jaime Alvarez-Muniz
  • Rafael Alves Batista
  • Aswathi Balagopal
  • Julien Bolmont
  • Bustamante, Mauricio
  • Washington Carvalho
  • Didier Charrier
  • Ismael Cognard
  • Valentin Decoene
  • Peter B. Denton
  • Sijbrand De Jong
  • Krijn D. De Vries
  • Ralph Engel
  • Ke Fang
  • Chad Finley
  • Stefano Gabici
  • QuanBu Gou
  • JunHua Gu
  • Claire Guepin
  • HongBo Hu
  • Yan Huang
  • Kumiko Kotera
  • Sandra Le Coz
  • Jean-Philippe Lenain
  • GuoLiang Lu
  • Olivier Martineau-Huynh
  • Miguel Mostafa
  • Fabrice Mottez
  • Kohta Murase
  • Valentin Niess
  • Foteini Oikonomou
  • Tanguy Pierog
  • XiangLi Qian
  • Bo Qin
  • Duan Ran
  • Nicolas Renault-Tinacci
  • Markus Roth
  • Frank G. Schroeder
  • Fabian Schussler
  • Cyril Tasse
  • Charles Timmermans
  • Matias Tueros
  • XiangPing Wu
  • Philippe Zarka
  • Andreas Zech
  • B. Theodore Zhang
  • JianLi Zhang
  • Yi Zhang
  • Qian Zheng
  • Anne Zilles
  • GRAND Collaboration

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 km(2). 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.

OriginalsprogEngelsk
Artikelnummer219501
TidsskriftScience China Physics, Mechanics and Astronomy
Vol/bind63
Udgave nummer1
Antal sider43
ISSN1674-7348
DOI
StatusUdgivet - 4 aug. 2020

ID: 247939428