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Geometrical reconstruction of fluorescence events observed by the LHAASO experiment *
Aharonian, F.30,31; An, Q.6,7; Axikegu24; Bai, L. X.25; Bai, Y. X.1,2,3,5; Bao, Y. W.18; Bastieri, D.12; Bi, X. J.1,2,3,4,5; Bi, Y. J.1,2,3,5; Cai, H.27; Cai, J. T.12; Cao, Z.1,2,3,4,5,6,7; Chang, J.19; Chang, J. F.1,2,3,5; Chang, X. C.1,2,3,5; Chen, B. M.16; Chen, J.25; Chen, L.1,2,3,4,5,21,24; Chen, M. J.1,2,3,5; Chen, M. L.1,2,3,5,6; Chen, Q. H.24; Chen, S. H.1,2,3,4,5; Chen, S. Z.1,2,3,5; Chen, T. L.26; Chen, X. L.1,2,3,4,5; Chen, Y.18; Cheng, N.1,2,3,5; Cheng, Y. D.1,2,3,5; Cui, S. W.16; Cui, X. H.9; Cui, Y. D.13,14; Dai, B. Z.28; Dai, H. L.1,2,3,5,6; Dai, Z. G.18; Danzengluobu26; della Volpe, D.35; Piazzoli, B. D'Ettorre32; Dong, X. J.1,2,3,5; Fan, J. H.12; Fan, Y. Z.19; Fan, Z. X.1,2,3,5; Fang, J.28; Fang, K.1,2,3,4,5; Feng, C. F.20; Feng, L.19; Feng, S. H.1,2,3,5; Feng, Y. L.19; Gao, B.1,2,3,5; Gao, C. D.20; Gao, Q.26; Gao, W.20; Ge, M. M.28; Geng, L. S.16; Gong, G. H.8; Gou, Q. B.1,2,3,5; Gu, M. H.1,2,3,5,6; Guo, J. G.1,2,3,4,5; Guo, X. L.24; Guo, Y. Q.1,2,3,5; Guo, Y. Y.1,2,3,4,5,19; Han, Y. A.17; He, H. H.1,2,3,4,5; He, H. N.19; He, J. C.1,2,3,4,5; He, S. L.12; He, X. B.13,14; He, Y.24; Heller, M.35; Hor, Y. K.13,14; Hou, C.1,2,3,5; Hou X(侯贤)29; Hu, H. B.1,2,3,4,5; Hu, S.25; Hu, S. C.1,2,3,4,5; Hu, X. J.8; Huang, D. H.24; Huang, Q. L.1,2,3,5; Huang, W. H.20; Huang, X. T.20; Huang, Z. C.24; Ji, F.1,2,3,5; Ji, X. L.1,2,3; Jia, H. Y.24; Jiang, K.6,7; Jiang, Z. J.28; Jin, C.1,2,3,4,5; Kuleshov, D.33; Levochkin, K.33; Li, B. B.16; Li, C.6,7,16; Li, F.1,2,3,5,6; Li, H. B.1,2,3,5; Li, H. C.1,2,3,5; Li, H. Y.7,19; Li, J.1,2,3,5,6; Li, K.1,2,3,5; Li, W. L.20; Li, X.6,7,24; Li, X. R.1,2,3,5; Li, Y.25; Li, Y. Z.1,2,3,4,5; Li, Z.1,2,3,5,11; Liang, E. W.15; Liang, Y. F.15; Lin, S. J.13,14; Liu, B.7; Liu, C.1,2,3,5; Liu, D.20; Liu, H.24; Liu, H. D.17; Liu, J.1,2,3,5; Liu, J. L.22,23,28; Liu, J. S.13,14; Liu, J. Y.1,2,3,5; Liu, M. Y.26; Liu, R. Y.18; Liu, S. M.19; Liu, W.1,2,3,5; Liu, Y. N.8; Liu, Z. X.25; Long, W. J.24; Lu, R.28; Lv, H. K.1,2,3,5; Ma, B. Q.11; Ma, L. L.1,2,3,5; Ma, X. H.1,2,3,5; Mao JR(毛基荣)29; Masood, A.24; Mitthumsiri, W.36; Montaruli, T.35; Nan, Y. C.20; Pang, B. Y.24; Pattarakijwanich, P.36; Pei, Z. Y.12; Qi, M. Y.1,2,3,5; Ruffolo, D.36; Rulev, V.33; Saiz, A.36; Shao, L.16; Shchegolev, O.33,34; Sheng, X. D.1,2,3,5; Shi, J. R.1,2,3,5; Song, H. C.11; Stenkin, Yu. V.33,34; Stepanov, V.33; Sun, Q. N.24; Sun, X. N.15; Sun, Z. B.10; Tam, P. H. T.13,14; Tang, Z. B.6,7; Tian, W. W.9; Wang, B. D.1,2,3,5; Wang, C.10; Wang, H.24; Wang, H. G.12; Wang JC(王建成)29; Wang, J. S.22,23; Wang, L. P.20; Wang, L. Y.1,2,3,5; Wang, R. N.24; Wang, W.13,14,27; Wang, X. G.15; Wang, X. J.1,2,3,5; Wang, X. Y.18; Wang, Y. D.1,2,3,5; Wang, Y. J.1,2,3,5; Wang, Y. P.1,2,3,4,5; Wang, Z.1,2,3,5,6,22,23; Wang, Z. H.25; Wang, Z. X.28; Wei, D. M.19; Wei, J. J.19; Wei, Y. J.1,2,3,4,5; Wen, T.28; Wu, C. Y.1,2,3,5; Wu, H. R.1,2,3,5; Wu, S.1,2,3,5; Wu, W. X.24; Wu, X. F.19; Xi, S. Q.24; Xia, J.7,19; Xia, J. J.24; Xiang, G. M.4,21; Xiao, G.1,2,3,5; Xiao, H. B.12; Xin, G. G.27; Xin, Y. L.24; Xing, Y.21; Xu, D. L.22,23; Xu, R. X.11; Xue, L.20; Yan DH(闫大海)29; Yang, C. W.25; Yang, F. F.1,2,3,5,6; Yang, J. Y.13,14; Yang, L. L.13,14; Yang, M. J.1,2,3,5; Yang, R. Z.7; Yang, S. B.28; Yao, Y. H.25; Yao, Z. G.1,2,3,5; Ye, Y. M.8; Yin, L. Q.1,2,3,5; Yin, N.20; You, X. H.1,2,3,5; You, Z. Y.1,2,3,4,5; Yu, Y. H.20; Yuan, Q.19; Zeng, H. D.19; Zeng, T. X.1,2,3,5,6; Zeng, W.28; Zeng, Z. K.4,5; Zha, M.1,2,3,5; Zhai, X. X.1,2,3,5; Zhang, B. B.18; Zhang, H. M.18; Zhang, H. Y.20; Zhang, J. L.9; Zhang, J. W.25; Zhang, L.16,28; Zhang, L. X.12; Zhang, P. F.28; Zhang, P. P.16; Zhang, R.7,19; Zhang, S. R.16; Zhang, S. S.1,2,3,5; Zhang, X.18; Zhang, X. P.1,2,3,5; Zhang, Y.1,2,3,5,19; Zhang, Y. F.24; Zhang, Y. L.1,2,3,5; Zhao, B.24; Zhao, J.1,2,3,5; Zhao, L.6,7; Zhao, L. Z.16; Zhao, S. P.19,20; Zheng, F.10; Zheng, Y.24; Zhou, B.1,2,3,5; Zhou, H.22,23; Zhou, J. N.21; Zhou, P.18; Zhou, R.25; Zhou, X. X.24; Zhu, C. G.20; Zhu, F. R.24; Zhu, H.9; Zhu, K. J.1,2,3,4,5,6; Zuo, X.1,2,3,5
Source PublicationCHINESE PHYSICS C
Contribution Rank第29完成单位
Indexed BySCI
Keywordcosmic ray fluorescence telescope stereo observation geometricalreconstruction

The LHAASO-WFCTA experiment, which aims to observe cosmic rays in the sub-EeV range using the fluorescence technique, uses a new generation of high-performance telescopes. To ensure that the experiment has excellent detection capability associated with the measurement of the energy spectrum, the primary composition of cosmic rays, and so on, an accurate geometrical reconstruction of air-shower events is fundamental. This paper describes the development and testing of geometrical reconstruction for stereo viewed events using the WFCTA (Wide Field of view Cherenkov/Fluorescence Telescope Array) detectors. Two approaches, which take full advantage of the WFCTA detectors, are investigated. One is the stereo-angular method, which uses the pointing of triggered SiPMs in the shower trajectory, and the other is the stereo-timing method, which uses the triggering time of the fired SiPMs. The results show that both methods have good geometrical resolution; the resolution of the stereo-timing method is slightly better than the stereo-angular method because the resolution of the latter is slightly limited by the shower track length.

Funding ProjectNational Natural Science Foundation of China[11903005] ; National Natural Science Foundation of China[11563004] ; National Natural Science Foundation of China[11475190]
Funding OrganizationNational Natural Science Foundation of China[11903005, 11563004, 11475190]
Subject Area天文学 ; 天体物理学 ; 高能天体物理学
MOST Discipline Catalogue理学 ; 理学::天文学
WOS IDWOS:000632828000001
WOS Research AreaPhysics
WOS SubjectPhysics, Nuclear ; Physics, Particles & Fields
Citation statistics
Document Type期刊论文
Corresponding AuthorLiu, J. L.
Affiliation1.Chinese Acad Sci, Key Lab Particle Astrophy, Beijing 100049, Peoples R China
2.Chinese Acad Sci, Expt Phys Div, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Comp Ctr, Inst High Energy Phys, Beijing 100049, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
5.TIANFU Cosm Ray Res Ctr, Chengdu, Sichuan, Peoples R China
6.State Key Lab Particle Detect & Elect, Beijing, Peoples R China
7.Univ Sci & Technol China, Hefei 230026, Anhui, Peoples R China
8.Tsinghua Univ, Dept Engn Phys, Beijing 100084, Peoples R China
9.Chinese Acad Sci, Natl Astron Observ, Beijing 100101, Peoples R China
10.Chinese Acad Sci, Natl Space Sci Ctr, Beijing 100190, Peoples R China
11.Peking Univ, Sch Phys, Beijing 100871, Peoples R China
12.Guangzhou Univ, Ctr Astrophys, Guangzhou 510006, Guangdong, Peoples R China
13.Sun Yat Sen Univ, Sch Phys & Astron, Zhuhai 519000, Guangdong, Peoples R China
14.Sun Yat Sen Univ, Sch Phys Guangzhou, Zhuhai 519000, Guangdong, Peoples R China
15.Guangxi Univ, Sch Phys Sci & Technol, Nanning, Peoples R China
16.Hebei Normal Univ, Shijiazhuang 050024, Hebei, Peoples R China
17.Zhengzhou Univ, Sch Phys & Microelect, Zhengzhou 450001, Henan, Peoples R China
18.Nanjing Univ, Sch Astron & Space Sci, Nanjing 210023, Jiangsu, Peoples R China
19.Chinese Acad Sci, Key Lab Dark Matter & Space Astron, Purple Mt Observ, Nanjing 210023, Jiangsu, Peoples R China
20.Shandong Univ, Inst Frontier & Interdisciplinary Sci, Qingdao 266237, Shandong, Peoples R China
21.Chinese Acad Sci, Shanghai Astron Observ, Key Lab Res Galaxies & Cosmol, Shanghai 200030, Peoples R China
22.Shanghai Jiao Tong Univ, Tsung Dao Lee Inst, Shanghai 200240, Peoples R China
23.Shanghai Jiao Tong Univ, Sch Phys & Astron, Shanghai 200240, Peoples R China
24.Southwest Jiaotong Univ, Sch Phys Sci & Technol, Chengdu 610031, Sichuan, Peoples R China
25.Sichuan Univ, Coll Phys, Chengdu 610065, Sichuan, Peoples R China
26.Tibet Univ, Minist Educ, Key Lab Cosm Rays, Lhasa 850000, Tibet, Peoples R China
27.Wuhan Univ, Sch Phys & Technol, Wuhan 430072, Hubei, Peoples R China
28.Yunnan Univ, Sch Phys & Astron, Kunming 650091, Yunnan, Peoples R China
29.Chinese Acad Sci, Yunnan Observ, Kunming 650216, Yunnan, Peoples R China
30.Dublin Inst Adv Studies, 31 Fitzwilliam Pl, Dublin 2, Ireland
31.Max Planck Inst Nucl Phys, POB 103980, D-69029 Heidelberg, Germany
32.Complesso Univ Monte St Angelo, Univ Napoli Federico II, Dipartimento Fis, Via Cinthia, I-80126 Naples, Italy
33.Russian Acad Sci, Inst Nucl Res, Moscow 117312, Russia
34.Moscow Inst Phys & Technol, Moscow 141700, Russia
35.Univ Geneva, Fac Sci, Dept Phys Nucl & Corpusculaire, 24 Quai Ernest Ansermet, CH-1211 Geneva, Switzerland
36.Mahidol Univ, Dept Phys, Fac Sci, Bangkok 10400, Thailand
Recommended Citation
GB/T 7714
Aharonian, F.,An, Q.,Axikegu,et al. Geometrical reconstruction of fluorescence events observed by the LHAASO experiment *[J]. CHINESE PHYSICS C,2021,45(4):10.
APA Aharonian, F..,An, Q..,Axikegu.,Bai, L. X..,Bai, Y. X..,...&Zuo, X..(2021).Geometrical reconstruction of fluorescence events observed by the LHAASO experiment *.CHINESE PHYSICS C,45(4),10.
MLA Aharonian, F.,et al."Geometrical reconstruction of fluorescence events observed by the LHAASO experiment *".CHINESE PHYSICS C 45.4(2021):10.
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