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Energy calibration of LHAASO-KM2A using the cosmic ray Moon shadow

文献类型：期刊论文

作者Cao, Zhen23,24,25; Aharonian, F.25,26,27,28; Bai, Y. X.23,25; Bao, Y. W.31; Bastieri, D.2; Bi, X. J.23,24,25; Bi, Y. J.23,25; Bian, W.31; Bukevich, A. V.32; Bukevich, A. V.32
刊名PHYSICAL REVIEW D
出版日期2025-12-29
卷号112期号:12
ISSN号2470-0010
DOI10.1103/gc7n-ypqw
产权排序第26完成单位
文献子类Article
英文摘要We present a precise measurement of the westward rigidity-dependent shift of the Moon's shadow using three and a half years of cosmic ray data collected by the kilometer square array (KM2A) of the Large High Altitude Air Shower Observatory (LHAASO) experiment. These measurements enable us to calibrate the detector energy response in the range of 20 to 260 TeV, with results showing excellent agreement with the energy response derived from Monte Carlo (MC) simulations of the KM2A detector. We also measure a best-fit parameter epsilon = 0.015 +/- 0.08, corresponding to a 95% CI of [-14%; +17%] for the energy scale estimation. This result establishes the exceptional accuracy of the KM2A-MC in simulating the detector's response within this energy range.
学科主题物理学 ; 高能物理学 ; 天文学 ; 天体物理学 ; 高能天体物理学 ; 星系与宇宙学
URL标识查看原文
出版地ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
WOS关键词SPECTRUM ; MODELS ; FIELD
资助项目Chengdu Management Committee of Tianfu New Area; National Key R&D program of China[2024YFA1611401]; National Key R&D program of China[2024YFA1611402]; National Key R&D program of China[2024YFA1611403]; National Key R&D program of China[2024YFA1611404]; CAS-TWAS; National Natural Science Foundation of China NSFC[12275280]; National Natural Science Foundation of China NSFC[12393851]; National Natural Science Foundation of China NSFC[12393852]; National Natural Science Foundation of China NSFC[12393853]; National Natural Science Foundation of China NSFC[12393854]; National Natural Science Foundation of China NSFC[12205314]; National Natural Science Foundation of China NSFC[12105301]; National Natural Science Foundation of China NSFC[12305120]; National Natural Science Foundation of China NSFC[12105294]; National Natural Science Foundation of China NSFC[U1931201]; National Natural Science Foundation of China NSFC[12375107]; National Natural Science Foundation of China NSFC[12261160362]; National Science and Technology Development Agency (NSTDA); National Research Council of Thailand (NRCT) under the High-Potential Research Team Grant Program[N42A650868]
WOS研究方向Astronomy & Astrophysics ; Physics
语种英语
WOS记录号WOS:001671970500001
出版者AMER PHYSICAL SOC
资助机构Chengdu Management Committee of Tianfu New Area ; National Key R&D program of China[2024YFA1611401, 2024YFA1611402, 2024YFA1611403, 2024YFA1611404] ; CAS-TWAS ; National Natural Science Foundation of China NSFC[12275280, 12393851, 12393852, 12393853, 12393854, 12205314, 12105301, 12305120, 12105294, U1931201, 12375107, 12261160362] ; National Science and Technology Development Agency (NSTDA) ; National Research Council of Thailand (NRCT) under the High-Potential Research Team Grant Program[N42A650868]
版本出版稿
源URL[http://ir.ynao.ac.cn/handle/114a53/28920]  
专题云南天文台_丽江天文观测站（南方基地）
通讯作者Hasan, M.; Qin, J. J.; Zhou, M.
作者单位1.APC, Université Paris Cité, CNRS/IN2P3, CEA/IRFU, Observatoire de Paris, 119 75205 Paris, France;
2.Center for Astrophysics, Guangzhou University, 510006 Guangzhou, Guangdong, China;
3.Research Center for Astronomical Computing, Zhejiang Laboratory, 311121 Hangzhou, Zhejiang, China;
4.College of Physics, Sichuan University, 610065 Chengdu, Sichuan, China;
5.Centre for High Energy Physics, University of the Punjab, Lahore, Pakistan
6.School of Physics, Huazhong University of Science and Technology, Wuhan 430074, Hubei, China;
7.National Space Science Center, Chinese Academy of Sciences, 100190 Beijing, China;
8.Moscow Institute of Physics and Technology, 141700 Moscow, Russia;
9.School of Physics and Technology, Nanjing Normal University, 210023 Nanjing, Jiangsu, China;
10.Department of Physics, Faculty of Science, Mahidol University, Bangkok 10400, Thailand;
推荐引用方式
GB/T 7714		 Cao, Zhen,Aharonian, F.,Bai, Y. X.,et al. Energy calibration of LHAASO-KM2A using the cosmic ray Moon shadow[J]. PHYSICAL REVIEW D,2025,112(12).
APA Cao, Zhen.,Aharonian, F..,Bai, Y. X..,Bao, Y. W..,Bastieri, D..,...&Akram, F..(2025).Energy calibration of LHAASO-KM2A using the cosmic ray Moon shadow.PHYSICAL REVIEW D,112(12).
MLA Cao, Zhen,et al."Energy calibration of LHAASO-KM2A using the cosmic ray Moon shadow".PHYSICAL REVIEW D 112.12(2025).

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来源：云南天文台

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