[ Instrument Network Instrument Development ] June 3, High Altitude Cosmic Ray Observatory (LHAASO) Project Wide Angle Cherenkov/Fluorescent Telescope Array (WFCTA) Silicon Photomultiplier (SiPM) Imaging Probe Appraisal Meeting and High Energy Institute - The signing ceremony of the Yunnan University LHAASO Cooperation Memorandum was held at Yunnan University.
A number of technical experts from the University of Science and Technology of China and the Space Application Engineering and Technology Center of the Chinese Academy of Sciences, the Institute of High Energy Physics, and the Yunnan Observatory attended the review meeting. The meeting was presided over by LHAASO's chief scientist, Cao Yu, and the vice president of Yunda, the project leader, Professor Zhang, and the relevant leaders of Yunda Science and Technology Department attended the review meeting.
The experts listened to Ge Maomao, head of imaging probe technology at Yunnan University, on the development report of SiPM imaging probes, and the summary report of SiPM imaging probes by Zhang Shoushan, the head of the WFCTA detector of the High Energy Institute. The development technology, process and quality management of SiPM imaging probes. In the station operation and performance testing was questioned.
After review, the expert group gave a high evaluation of the work of the project team and raised higher expectations. At the judging panel, Professor Li Cheng from the University of Science and Technology of China pointed out that “SiPM technology is the first time in the world for engineering applications. The project team has accumulated engineering experience during the development process. Significance".
After the judging panel, researcher Cao Yu signed the LHAASO Memorandum of Understanding on behalf of Gao Neng and Yunda, which clarified the qualification of Yunnan University as a core member of the LHAASO cooperation group, and can use LHAASO data to conduct scientific research.
Gao Neng and Yunnan University have a long history of cooperative research in the field of cosmic ray research. Since the 1950s, they have passed the Yunnan Snow Mountain Cosmic Line Experimental Station, the Tibetan Gambara Alpine Latex Experiment, and the Tibet Yangbajing International Cosmic Ray. Observation stations such as ASγ and ARGO-YBJ and other cosmic ray experiments, radiation mechanisms and high physics of high-energy gamma rays in celestial and extraterrestrial celestial bodies, multi-band observations and theoretical studies of active galactic nuclei, high energy of pulsars and pulsars Research results in particle generation and propagation processes, particle acceleration mechanisms, and so on. Yunnan University established the LHAASO project team as early as 2009, participated in the pre-research of the LHAASO project, and has been responsible for the research and design work of WFCTA. After the official implementation of the LHAASO project in 2015, it continued to be responsible for the development of the SiPM imaging probe of WFCTA. One of the few core units in China that undertakes the development of LHAASO detectors.
WFCTA is one of the four main detectors of LHAASO. It consists of 12 telescopes. It uses imaging to observe the optical signals generated by cosmic rays in the air shower, and indirectly measures the physical parameters of cosmic rays. If the WFCTA is compared to the human eye, the SiPM imaging probe is the retina and is the core device of the WFCTA.
(Original title: WFCTA-SiPM Imaging Probe Appraisal Meeting of High Altitude Cosmic Ray Observatory and High Energy Institute - Yunnan University LHAASO Cooperation Memorandum Signing Ceremony Held in Kunming)
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