Calibration of the air shower energy scale of the water and air Cherenkov techniques in the LHAASO experiment | |
Aharonian, F.6,7; An, Q.29,30; Axikegu14; Bai, L. X.13; Bai, Y. X.31,33; Bao, Y. W.19; Bastieri, D.24; Bi, X. J.31,32,33; Bi, Y. J.31,33; Cai, H.11 | |
刊名 | PHYSICAL REVIEW D |
2021-09-15 | |
卷号 | 104期号:6 |
ISSN号 | 2470-0010 |
DOI | 10.1103/PhysRevD.104.062007 |
产权排序 | 第25完成单位 |
文献子类 | Article |
英文摘要 | The Wide Field-of-View Cherenkov Telescope Array (WFCTA) and the Water Cherenkov Detector Array (WCDA) of LHAASO are designed to work in combination for measuring the energy spectra of the cosmic ray species over a very wide energy range from a few TeV to 10 PeV. The energy calibration can be achieved with a proven technique of measuring the westward shift of the Moon shadow cast by galactic cosmic rays due to the geomagnetic field. This deflection angle. is inversely proportional to the cosmic ray rigidity. The precise measurement of the shifts by WCDA allows us to calibrate its energy scale for energies as high as 35 TeV. Through a set of commonly triggered events, the energy scales can be propagated to WFCTA. The energies of the events can be derived both by WCDA-1 and WFCTAwith the median energies 23.4 +/- 0.1 +/- 1.3 TeV and (21.9 +/- 0.1 TeV), respectively, which are consistent within uncertainties. In addition, the propagation of the energy scale is also validated by the Moon shadow based on the same data selection criteria of the commonly triggered events. This paper reports, for the first time, an observational measurement of the absolute energy scale of the primary cosmic rays generating showers observed by air Cherenkov telescopes. |
学科主题 | 物理学 ; 天文学 ; 天体物理学 ; 高能天体物理学 |
URL标识 | 查看原文 |
出版地 | ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA |
资助项目 | Chengdu Management Committee of Tianfu New Area for the constant ; National Key R&D program of China[2018YFA0404201] ; National Key R&D program of China[2018YFA0404202] ; National Key R&D program of China[2018YFA0404203] ; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) ; NSFCNational Natural Science Foundation of China (NSFC)[11635011] ; NSFCNational Natural Science Foundation of China (NSFC)[11761141001] ; NSFCNational Natural Science Foundation of China (NSFC)[11905240] ; NSFCNational Natural Science Foundation of China (NSFC)[11503021] ; NSFCNational Natural Science Foundation of China (NSFC)[11205126] ; NSFCNational Natural Science Foundation of China (NSFC)[11947404] ; NSFCNational Natural Science Foundation of China (NSFC)[11675187] ; NSFCNational Natural Science Foundation of China (NSFC)[U1831208] ; Schools of Science and Technology Plan from SiChuan Province Grant[20SYSX0294] ; Thailand Science Research and Innovation[RTA6280002] |
WOS关键词 | PERFORMANCE ; FIELD |
WOS研究方向 | Astronomy & Astrophysics ; Physics |
语种 | 英语 |
出版者 | AMER PHYSICAL SOC |
WOS记录号 | WOS:000699731100002 |
资助机构 | Chengdu Management Committee of Tianfu New Area for the constant ; National Key R&D program of China[2018YFA0404201, 2018YFA0404202, 2018YFA0404203] ; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) ; NSFCNational Natural Science Foundation of China (NSFC)[11635011, 11761141001, 11905240, 11503021, 11205126, 11947404, 11675187, U1831208] ; Schools of Science and Technology Plan from SiChuan Province Grant[20SYSX0294] ; Thailand Science Research and Innovation[RTA6280002] |
内容类型 | 期刊论文 |
版本 | 出版稿 |
源URL | [http://ir.ynao.ac.cn/handle/114a53/24571] |
专题 | 云南天文台_高能天体物理研究组 |
通讯作者 | Cao, Zhe; Ma, L. L.; Nan, Y. C.; Wang, Y. J.; Zeng, Z. K. |
作者单位 | 1.Department of Physics, Faculty of Science, Mahidol University, 10400 Bangkok, Thailand 2.Département de Physique Nucléaire et Corpusculaire, Faculté de Sciences, Université de Genève, 24 Quai Ernest Ansermet, 1211 Geneva, Switzerland; 3.Moscow Institute of Physics and Technology, 141700 Moscow, Russia; 4.Institute for Nuclear Research of Russian Academy of Sciences, 117312 Moscow, Russia; 5.Dipartimento di Fisica dell’Università di Napoli “Federico II”, Complesso Universitario di Monte Sant’Angelo, via Cinthia, 80126 Napoli, Italy; 6.Max-Planck-Institut for Nuclear Physics, P.O. Box 103980, 69029 Heidelberg, Germany; 7.Dublin Institute for Advanced Studies, 31 Fitzwilliam Place, 2 Dublin, Ireland; 8.College of Sciences, Northeastern University, 110819 Shenyang, Liaoning, China; 9.Yunnan Observatories, Chinese Academy of Sciences, 650216 Kunming, Yunnan, China; 10.School of Physics and Astronomy, Yunnan University, 650091 Kunming, Yunnan, China; |
推荐引用方式 GB/T 7714 | Aharonian, F.,An, Q.,Axikegu,et al. Calibration of the air shower energy scale of the water and air Cherenkov techniques in the LHAASO experiment[J]. PHYSICAL REVIEW D,2021,104(6). |
APA | Aharonian, F..,An, Q..,Axikegu.,Bai, L. X..,Bai, Y. X..,...&Zuo, X..(2021).Calibration of the air shower energy scale of the water and air Cherenkov techniques in the LHAASO experiment.PHYSICAL REVIEW D,104(6). |
MLA | Aharonian, F.,et al."Calibration of the air shower energy scale of the water and air Cherenkov techniques in the LHAASO experiment".PHYSICAL REVIEW D 104.6(2021). |
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