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Related papers: A Proportional Wire Chamber Array: GRAND's Status

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GRAND is an array of position sensitive proportional wire chambers (PWCs) located at 86.2 degrees W, 41.7 degrees N at an elevation of 220 m adjacent to the campus of the University of Notre Dame with 82 square meters of total muon detector…

Astrophysics · Physics 2008-07-16 J. Poirier , C. D'Andrea , E. Fidler , J. Gress , M. Herrera , P. Hemphill , C. Swartzendruber

Project GRAND is an extensive air shower array utilizing position sensitive detectors of proportional wire chambers. The 64 detectors deployed in a field 100 m x 100 m are located at 86.2 deg W and 41.7 deg N, at 220 m above sea level. The…

Astrophysics · Physics 2007-05-23 J. Poirier , J. Carpenter , S. Desch , J. Gress , T. F. Lin , Y. Lu , A. Roesch

Project GRAND is an extensive air shower array of proportional wire chambers. It has 64 stations in a 100m x 100m area; each station has eight planes of proportional wire chambers with a 50 mm steel absorber plate above the bottom two…

Project GRAND is an array of proportional wire chambers composed of 64 stations with each station containing eight proportional wire planes and a 50 mm steel plate. The proportional wire planes together with the steel absorber allow a…

Astrophysics · Physics 2007-05-23 J. Poirier , C. D'Andrea

The GRAND project aims to detect ultra-high-energy neutrinos, cosmic rays and gamma rays, with an array of $200,000$ radio antennas over $200,000\,{\rm km}^2$, split into $\sim 20$ sub-arrays of $\sim 10,000\,{\rm km}^2$ deployed worldwide.…

High Energy Astrophysical Phenomena · Physics 2021-08-03 Kumiko Kotera

The Ground-Level Event (GLE) associated with the X5.7 solar flare of July 14, 2000 is studied by the Project GRAND proportional wire chamber array. Results are compared to those obtained by the Climax Neutron Monitor experiment which…

Astrophysics · Physics 2007-05-23 J. Poirier , C. D'Andrea , M. Dunford

Project GRAND preents a map in right ascension and declination for single cosmic secondary tracks which have been identified as muons. These muons are measured in stations of proportional wire chambers (PWCs) which have a mean angular…

Astrophysics · Physics 2007-05-23 J. Poirier , J. Gress , T. F. Lin

The Giant Radio Array for Neutrino Detection (GRAND) is a distributed, sparse ground antenna array designed to detect the radio emission from highly inclined extensive air showers induced by ultra-high-energy particles in the atmosphere. We…

Instrumentation and Methods for Astrophysics · Physics 2024-09-02 Lukas Gülzow , Tim Huege , Kumiko Kotera , Olivier Martineau , Markus Roth , Felix Schlüter

GRAND (the Giant Radio Array for Neutrino Detection) is a proposed next-generation observatory of ultra-high-energy neutrinos, cosmic rays, and gamma rays of cosmic origin, with energies exceeding about 100 PeV. GRAND is envisioned as a…

High Energy Astrophysical Phenomena · Physics 2024-09-04 Kumiko Kotera

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…

Instrumentation and Methods for Astrophysics · Physics 2024-09-02 Jelena Köhler , Aurélien Benoit-Lévy , Pablo Correa , Arsène Ferriere , Tim Huege , Kumiko Kotera , Olivier Martineau-Huynh , Simon Prunet , Markus Roth

Project GRAND has the capability of measuring the angle and identity of single tracks of secondary muons at ground level. The array is comprised of 64 stations each containing eight proportional wire planes with a 50 mm steel absorber plate…

Astrophysics · Physics 2007-05-23 J. Poirier , C. D'Andrea , M. Dunford

The Giant Radio Array for Neutrino Detection (GRAND) is a planned array of ~200 000 radio antennas deployed over ~200 000 km2 in a mountainous site. It aims primarly at detecting high-energy neutrinos via the observation of extensive air…

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 $\sim10^5$ radio antennas deployed over…

Project GRAND observes small variations in the number of incident muons when plotted versus local solar time. The total accumulated number of muons by GRAND over four years' time is ~140 billion. The data obtained by Project GRAND are…

Astrophysics · Physics 2007-05-23 J. Poirier , C. D'Andrea

The Giant Array for Neutrino Detection (GRAND) is a proposal for a giant observatory of ultra-high energy cosmic particles (neutrinos, cosmic rays and gamma rays). It will be composed of twenty subarrays of 10 000 antennas each, totaling a…

Instrumentation and Methods for Astrophysics · Physics 2019-06-12 Olivier Martineau-Huynh

GRAND (the Giant Radio Array for Neutrino Detection) is a proposed next-generation observatory targetting primarily the detection of ultra-high-energy neutrinos, with energies exceeding about 100 PeV. GRAND is envisioned as a collection of…

Instrumentation and Methods for Astrophysics · Physics 2025-07-11 Olivier Martineau-Huynh

GRAND is a newly proposed series of radio arrays with a combined area of 200,000 square km, to be deployed in mountainous areas. Its primary goal is to measure cosmic ultra-high-energy tau-neutrinos (E>1 EeV), through the interaction of…

Instrumentation and Methods for Astrophysics · Physics 2020-12-11 Sijbrand de Jong

Project GRAND, a proportional wire chamber array, is used to examine the increased counting rate of single muons during the solar Ground Level Event (GLE) of April 15, 2001. Data are presented and compared to our background rates and to…

Astrophysics · Physics 2007-05-23 C. D'Andrea , J. Poirier

An increased data sample of identified secondary muons is collected at detection level. Project GRAND identifies secondary cosmic ray muons from electrons utilizing a thin steel absorber and tracking (PWC) chambers. The resulting angular…

Astrophysics · Physics 2007-05-23 A. Roesch , J. Carpenter , S. Desch , J. Gress , T. F. Lin , J. Poirier

GRAND is designed to detect ultra-high-energy cosmic particles -- specially neutrinos, cosmic rays and gamma rays using radio antennas. With $\sim$20 mountainous sites around the world it will cover a total area of 200,000 km$^{2}$. The…

High Energy Astrophysical Phenomena · Physics 2022-02-04 Bruno Lazarotto Lago
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