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Featured researches published by N. Cheng.


Proceedings of 35th International Cosmic Ray Conference — PoS(ICRC2017) | 2017

Calibration and monitoring of LHAASO-KM2A muon detectors with muon decay events

Zuo Xiong; Gang Xiao; Feng Shaohui; X. R. Li; Cong Li; N. Cheng; Wang Lingyu; Jinfan Chang; Wei Wang; Minghao Gu; Fei Li; Jia Liu; Hongkui Lv; X. D. Sheng; Huihai He; Hongming Li; Guanghua Gong

The Large High Altitude Air Shower Observatory (LHAASO) will be constructed at 4400 m asl in Daocheng, Sichuan Province, with the aim of discovering sources of ultra-high energy cosmic rays and studying cosmic ray physics. The whole array includes 1171 muon detectors (MDs), constituting the largest muon detector array in the world. The special high altitude and wide-field environment requires simple and stable calibration as well as monitoring method of MDs. In this paper, the muon decay events will be selected for calibrating the charge and monitoring the water level of each MD. In the prototype muon detector, the simulation and experiment results reveal that the charge of the decay electron is approximately 0.147 times that of the vertical equivalent muon for a standard MD, and the QVEM/Qe shows a linear correlation with the water level.


Nuclear Physics B - Proceedings Supplements | 2007

The Status of the ARGO Experiment at YBJ

G. Aielli; C. Bacci; B. Bartoli; P. Bernardini; X. J. Bi; C. Bleve; Severino Angelo Maria Bussino; A. K. Calabrese Melcarne; P. Camarri; D. Campana; Z. Cao; R. Cardarelli; S. Catalanotti; S. Cavaliere; Paola Celio; S. Chen; N. Cheng; P. Creti; S. W. Cui; G. Cusumano; B. Z. Dai; Danzengluobu; X. H. Ding; G. D'Alí Staiti; B. D'Ettorre Piazzoli; E. De Marinis; I. De Mitri; M. De Vincenzi; T. Di Girolamo; G. Di Sciascio


arXiv: Instrumentation and Detectors | 2018

Novel methods for measuring the optical parameters of the water Cherenkov detector

X. R. Li; Huihai He; Gang Xiao; Xiong Zuo; Shaohui Feng; Lingyu Wang; Cong Li; Mohsin Saeed; N. Cheng


Physical Review D | 2018

Measurement of muonic and electromagnetic components in cosmic ray air showers using LHAASO-KM2A prototype array

Cong Li; Huihai He; Gang Xiao; Shaohui Feng; Xiong Zuo; Lingyu Wang; Yi Zhang; X. R. Li; N. Cheng; Songzhan Chen; Zhe Li; Jia Liu; Hongkui Lv; X. D. Sheng; Sha Wu; Wei Gao; Yuncheng Nan; Jinfan Chang; Wei Wang; Minghao Gu; Fei Li; Mohsin Saeed; Hongming Li; Guanghua Gong; Shaoru Zhang; Hui Wang


Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 2018

An apparatus to measure water optical attenuation length for LHAASO-MD

Cong Li; Gang Xiao; Shaohui Feng; Lingyu Wang; X. R. Li; Xiong Zuo; N. Cheng; Hui Wang; Bo Gao; Zhihao Duan; Jia Liu; Huihai He; Mohsin Saeed

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Cong Li

Chinese Academy of Sciences

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Gang Xiao

Chinese Academy of Sciences

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Huihai He

Chinese Academy of Sciences

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X. R. Li

Chinese Academy of Sciences

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Jia Liu

Chinese Academy of Sciences

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Mohsin Saeed

Chinese Academy of Sciences

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Shaohui Feng

Chinese Academy of Sciences

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Xiong Zuo

Chinese Academy of Sciences

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Fei Li

Chinese Academy of Sciences

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