Towards the Giant Radio Array for Neutrino Detection (GRAND): the GRANDProto300 and GRAND@Auger prototypes
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| Format: | Preprint |
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2025
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| author | GRAND Collaboration Álvarez-Muniz, Jaime Batista, Rafael Alves Benoit-Lévy, Aurélien Bister, Teresa Bohacova, Martina Bustamante, Mauricio Carvalho, Washington Chen, Yiren Cheng, LingMei Chiche, Simon Colley, Jean-Marc Correa, Pablo Laurenciu, Nicoleta Cucu Dai, Zigao de Almeida, Rogerio M. de Errico, Beatriz Neto, João R. T. de Mello de Vries, Krijn D. Decoene, Valentin Denton, Peter B. Duan, Bohao Duan, Kaikai Engel, Ralph Erba, William Fan, Yizhong Ferrière, Arsène Góngora, Juan Pablo Gou, QuanBu Gu, Junhua Guelfand, Marion Guo, Gang Guo, Jianhua Guo, Yiqing Guépin, Claire Gülzow, Lukas Haungs, Andreas Havelka, Matej He, Haoning Hivon, Eric Hu, Hongbo Huang, Guoyuan Huang, Xiaoyuan Huang, Yan Huege, Tim Jiang, Wen Kato, Sei Koirala, Ramesh Kotera, Kumiko Köhler, Jelena Lago, Bruno L. Lai, Zhisen Lavoisier, Jolan Legrand, François Leisos, Antonios Li, Rui Li, Xingyu Liu, Cheng Liu, Ruoyu Liu, Wei Ma, Pengxiong Macias, Oscar Magnard, Frédéric Marcowith, Alexandre Martineau-Huynh, Olivier Mason, Zach McKinley, Thomas Minodier, Paul Mostafá, Miguel Murase, Kohta Niess, Valentin Nonis, Stavros Ogio, Shoichi Oikonomou, Foteini Pan, Hongwei Papageorgiou, Konstantinos Pierog, Tanguy Piotrowski, Lech Wiktor Prunet, Simon Prévotat, Clément Qian, Xiangli Roth, Markus Sako, Takashi Shinde, Sarvesh Szálas-Motesiczky, Dániel Sławiński, Szymon Takahashi, Kaoru Tian, Xishui Timmermans, Charles Tobiska, Petr Tsirigotis, Apostolos Tueros, Matías Vittakis, George Voisin, Vincent Wang, Hanrui Wang, Jiale Wang, Shen Wang, Xiangyu Wang, Xu Wei, Daming Wei, Feng Weissling, Emily Wu, Juan Wu, Xiangping Wu, Xuefeng Xu, Xin Xu, Xing Yang, Fufu Yang, Lili Yang, Xuan Yuan, Qiang Zarka, Philippe Zeng, Houdun Zhang, Chao Zhang, Jianli Zhang, Kewen Zhang, Pengfei Zhang, Qingchi Zhang, Songbo Zhang, Yi Zhou, Hao |
| author_facet | GRAND Collaboration Álvarez-Muniz, Jaime Batista, Rafael Alves Benoit-Lévy, Aurélien Bister, Teresa Bohacova, Martina Bustamante, Mauricio Carvalho, Washington Chen, Yiren Cheng, LingMei Chiche, Simon Colley, Jean-Marc Correa, Pablo Laurenciu, Nicoleta Cucu Dai, Zigao de Almeida, Rogerio M. de Errico, Beatriz Neto, João R. T. de Mello de Vries, Krijn D. Decoene, Valentin Denton, Peter B. Duan, Bohao Duan, Kaikai Engel, Ralph Erba, William Fan, Yizhong Ferrière, Arsène Góngora, Juan Pablo Gou, QuanBu Gu, Junhua Guelfand, Marion Guo, Gang Guo, Jianhua Guo, Yiqing Guépin, Claire Gülzow, Lukas Haungs, Andreas Havelka, Matej He, Haoning Hivon, Eric Hu, Hongbo Huang, Guoyuan Huang, Xiaoyuan Huang, Yan Huege, Tim Jiang, Wen Kato, Sei Koirala, Ramesh Kotera, Kumiko Köhler, Jelena Lago, Bruno L. Lai, Zhisen Lavoisier, Jolan Legrand, François Leisos, Antonios Li, Rui Li, Xingyu Liu, Cheng Liu, Ruoyu Liu, Wei Ma, Pengxiong Macias, Oscar Magnard, Frédéric Marcowith, Alexandre Martineau-Huynh, Olivier Mason, Zach McKinley, Thomas Minodier, Paul Mostafá, Miguel Murase, Kohta Niess, Valentin Nonis, Stavros Ogio, Shoichi Oikonomou, Foteini Pan, Hongwei Papageorgiou, Konstantinos Pierog, Tanguy Piotrowski, Lech Wiktor Prunet, Simon Prévotat, Clément Qian, Xiangli Roth, Markus Sako, Takashi Shinde, Sarvesh Szálas-Motesiczky, Dániel Sławiński, Szymon Takahashi, Kaoru Tian, Xishui Timmermans, Charles Tobiska, Petr Tsirigotis, Apostolos Tueros, Matías Vittakis, George Voisin, Vincent Wang, Hanrui Wang, Jiale Wang, Shen Wang, Xiangyu Wang, Xu Wei, Daming Wei, Feng Weissling, Emily Wu, Juan Wu, Xiangping Wu, Xuefeng Xu, Xin Xu, Xing Yang, Fufu Yang, Lili Yang, Xuan Yuan, Qiang Zarka, Philippe Zeng, Houdun Zhang, Chao Zhang, Jianli Zhang, Kewen Zhang, Pengfei Zhang, Qingchi Zhang, Songbo Zhang, Yi Zhou, Hao |
| contents | The Giant Radio Array for Neutrino Detection (GRAND) is a proposed multi-messenger observatory of Ultra-High-Energy (UHE) particles of cosmic origin. Its main goal is to find the long-sought origin of UHE cosmic rays by detecting large numbers of them and the secondary particles created by their interactions like gamma rays and neutrinos. The GRAND Collaboration plans to achieve this using large arrays of radio antennas that look for the radio signals emitted by the air showers initiated by the interactions of the UHE particles in the atmosphere. Since 2023, three small-scale prototype GRAND arrays have been in operation: GRAND@Nançay in France, GRAND@Auger in Argentina, and GRANDProto300 in China. Together, their goal is to validate the detection principle of GRAND under prolonged field conditions, achieving efficient, autonomous radio-detection of air showers. We describe the hardware, software, layout, and operation of the GRAND prototypes. Using their data, we show a first characterization of the local electromagnetic environment of each site and a measurement of the Galactic synchrotron emission. Despite challenges, the successful operation of the prototypes confirms that the GRAND instrumentation is apt to address the goals of the experiment and lays the groundwork for its ensuing stages. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2509_21306 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Towards the Giant Radio Array for Neutrino Detection (GRAND): the GRANDProto300 and GRAND@Auger prototypes GRAND Collaboration Álvarez-Muniz, Jaime Batista, Rafael Alves Benoit-Lévy, Aurélien Bister, Teresa Bohacova, Martina Bustamante, Mauricio Carvalho, Washington Chen, Yiren Cheng, LingMei Chiche, Simon Colley, Jean-Marc Correa, Pablo Laurenciu, Nicoleta Cucu Dai, Zigao de Almeida, Rogerio M. de Errico, Beatriz Neto, João R. T. de Mello de Vries, Krijn D. Decoene, Valentin Denton, Peter B. Duan, Bohao Duan, Kaikai Engel, Ralph Erba, William Fan, Yizhong Ferrière, Arsène Góngora, Juan Pablo Gou, QuanBu Gu, Junhua Guelfand, Marion Guo, Gang Guo, Jianhua Guo, Yiqing Guépin, Claire Gülzow, Lukas Haungs, Andreas Havelka, Matej He, Haoning Hivon, Eric Hu, Hongbo Huang, Guoyuan Huang, Xiaoyuan Huang, Yan Huege, Tim Jiang, Wen Kato, Sei Koirala, Ramesh Kotera, Kumiko Köhler, Jelena Lago, Bruno L. Lai, Zhisen Lavoisier, Jolan Legrand, François Leisos, Antonios Li, Rui Li, Xingyu Liu, Cheng Liu, Ruoyu Liu, Wei Ma, Pengxiong Macias, Oscar Magnard, Frédéric Marcowith, Alexandre Martineau-Huynh, Olivier Mason, Zach McKinley, Thomas Minodier, Paul Mostafá, Miguel Murase, Kohta Niess, Valentin Nonis, Stavros Ogio, Shoichi Oikonomou, Foteini Pan, Hongwei Papageorgiou, Konstantinos Pierog, Tanguy Piotrowski, Lech Wiktor Prunet, Simon Prévotat, Clément Qian, Xiangli Roth, Markus Sako, Takashi Shinde, Sarvesh Szálas-Motesiczky, Dániel Sławiński, Szymon Takahashi, Kaoru Tian, Xishui Timmermans, Charles Tobiska, Petr Tsirigotis, Apostolos Tueros, Matías Vittakis, George Voisin, Vincent Wang, Hanrui Wang, Jiale Wang, Shen Wang, Xiangyu Wang, Xu Wei, Daming Wei, Feng Weissling, Emily Wu, Juan Wu, Xiangping Wu, Xuefeng Xu, Xin Xu, Xing Yang, Fufu Yang, Lili Yang, Xuan Yuan, Qiang Zarka, Philippe Zeng, Houdun Zhang, Chao Zhang, Jianli Zhang, Kewen Zhang, Pengfei Zhang, Qingchi Zhang, Songbo Zhang, Yi Zhou, Hao Instrumentation and Methods for Astrophysics High Energy Physics - Experiment High Energy Physics - Phenomenology The Giant Radio Array for Neutrino Detection (GRAND) is a proposed multi-messenger observatory of Ultra-High-Energy (UHE) particles of cosmic origin. Its main goal is to find the long-sought origin of UHE cosmic rays by detecting large numbers of them and the secondary particles created by their interactions like gamma rays and neutrinos. The GRAND Collaboration plans to achieve this using large arrays of radio antennas that look for the radio signals emitted by the air showers initiated by the interactions of the UHE particles in the atmosphere. Since 2023, three small-scale prototype GRAND arrays have been in operation: GRAND@Nançay in France, GRAND@Auger in Argentina, and GRANDProto300 in China. Together, their goal is to validate the detection principle of GRAND under prolonged field conditions, achieving efficient, autonomous radio-detection of air showers. We describe the hardware, software, layout, and operation of the GRAND prototypes. Using their data, we show a first characterization of the local electromagnetic environment of each site and a measurement of the Galactic synchrotron emission. Despite challenges, the successful operation of the prototypes confirms that the GRAND instrumentation is apt to address the goals of the experiment and lays the groundwork for its ensuing stages. |
| title | Towards the Giant Radio Array for Neutrino Detection (GRAND): the GRANDProto300 and GRAND@Auger prototypes |
| topic | Instrumentation and Methods for Astrophysics High Energy Physics - Experiment High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2509.21306 |