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Study of longitudinal development of cosmic-ray induced air showers with LHAASO-WFCTA
Liu, Hu1; Cao, Zhen2,3,4; Aharonian, F.5,6; An, Q.7,8; Axikegu9; Bai, L. X.10; Bai, Y. X.2,4; Zhu, H.18; Zhu, K. J.2,3,4,7; Bao, Y. W.11; Bastieri, D.12; Bi, X. J.2,3,4; Bi, Y. J.2,4; Cai, H.13; Cai, J. T.12; Cao, Zhe7,8; Chang, J.14; Chang, J. F.2,4,7; Chen, B. M.15; Chen, E. S.2,3,4; Chen, J.10; Chen, Liang2,3,4,16; Zhu, F. R.9; Chen, Long9; Chen, M. J.2,4; Chen, M. L.2,4,7; Chen, Q. H.9; Chen, S. H.2,3,4; Chen, S. Z.2,4; Chen, T. L.17; Chen, X. L.2,3,4; Chen, Y.11; Cheng, N.2,4; Cheng, Y. D.2,4; Cui, S. W.15; Cui, X. H.18; Cui, Y. D.19; D’Ettorre Piazzoli, B.20; Dai, B. Z.21; Dai, H. L.2,4,7; Dai, Z. G.8; Danzengluobu17; della Volpe, D.22; Dong, X. J.2,4; Duan, K. K.14; Fan, J. H.12; Fan, Y. Z.14; Fan, Z. X.2,4; Fang, J.21; Fang, K.2,4; Feng, C. F.23; Feng, L.14; Feng, S. H.2,4; Feng, Y. L.14; Gao, B.2,4; Gao, C. D.23; Gao, L. Q.2,3,4; Gao, Q.17; Gao, W.23; Ge, M. M.21; Geng, L. S.2,4; Gong, G. H.24; Gou, Q. B.2,4; Gu, M. H.2,4,7; Guo, F. L.16; Guo, J. G.2,3,4; Guo, X. L.9; Guo, Y. Q.2,4; Guo, Y. Y.2,3,4,14; Han, Y. A.25; He, H. H.2,3,4; He, H. N.14; He, J. C.2,3,4; He, S. L.12; He, X. B.19; He, Y.9; Heller, M.22; Hor, Y. K.19; Hou, C.2,4; Hu, H. B.2,3,4; Hu, S.10; Hu, S. C.2,3,4; Hu, X. J.24; Huang, D. H.9; Huang, Q. L.2,4; Huang, W. H.23; Huang, X. T.23; Huang, X. Y.14; Huang, Z. C.9; Ji, F.2,4; Ji, X. L.2,4,7; Jia, H. Y.9; Jiang, K.7,8; Jiang, Z. J.21; Jin, C.2,3,4; Ke, T.2,4; Kuleshov, D.26; Levochkin, K.26; Li, B. B.15; Li, Cheng7,8; Li, Cong2,4; Li, F.2,4,7; Li, H. B.2,4; Li, H. C.2,4; Li, H. Y.8,14; Li, J.2,4,7; Li, K.2,4; Li, W. L.23; Li, X. R.2,4; Li, Xin7,8,9; Zuo, X.2,4; Li, Y.10; Li, Y. Z.2,3,4; Li, Zhe2,4; Li, Zhuo27; Liang, E. W.28; Liang, Y. F.28; Lin, S. J.19; Liu, B.8; Liu, C.2,4; Liu, D.23; Lia, H.9; Liu, H. D.25; Liu, J.2,4; Liu, J. L.29; Liu, J. S.19; Liu, J. Y.2,4; Liu, M. Y.17; Liu, R. Y.11; Liu, S. M.9; Liu, W.2,4; Liu, Y.12; Liu, Y. N.24; Liu, Z. X.10; Long, W. J.9; Lu, R.21; Lv, H. K.2,4; Ma, B. Q.27; Ma, L. L.2,4; Ma, X. H.2,4; Mao JR(毛基荣)30; Masood, A.9; Min, Z.2,4; Mitthumsiri, W.31; Montaruli, T.22; Nan, Y. C.23; Pang, B. Y.9; Pattarakijwanich, P.31; Pei, Z. Y.12; Qi, M. Y.2,4; Qi, Y. Q.15; Qiao, B. Q.2,4; Qin, J. J.8; Ruffolo, D.31; Rulev, V.26; Sáiz, A.31; Shao, L.15; Shchegolev, O.26,32; Sheng, X. D.2,4; Shi, J. Y.2,4; Song, H. C.27; Stenkin, Yu. V.26,32; Stepanov, V.26; Su, Y.33; Sun, Q. N.9; Sun, X. N.28; Sun, Z. B.34; Tam, P. H.19; Tang, Z. B.7,8; Tian, W. W.3,18; Wang, B. D.2,4; Wang, C.34
Source PublicationProceedings of Science
Contribution Rank第30完成单位
Indexed ByEI
Conference Name37th International Cosmic Ray Conference, ICRC 2021
Conference Date2021-07-12
Conference PlaceVirtual, Berlin, Germany

The Wide Field-of-view Cerenkov Telescope Array (WFCTA) is an important component of Large High Altitude Air Shower Observatory (LHAASO), which aims to measure the individual energy spectra of cosmic rays from ~30 TeV to a couple of EeV. The longitudinal development is one of the main tools to distinguish nuclei from each other. WFCTA is composed of 18 imaging air Cerenkov telescopes, each telescope has 32 × 32 pixels, covers a field of view 16o × 16o (each pixel corresponding to 0.5o × 0.5o). The first telescope started in operation since February 2019, up to now, there are 18 telescopes in operation. Cerenkov photon detected by different pixels were generated at different height (or different traversed material). The distribution of dN/dθ (θ is the angle between the direction of Cerenkov photon and the direction of primary particle) is reconstructed from the image of WFCTA to study the longitudinal development of the shower (similar to dN/dX). In this paper, the dN/dθ reconstructing method and the preliminary result on the particle identification power based on this method will be shown. © Copyright owned by the author(s).

Funding ProjectNational Natural Science Foundation of China[11947404] ; Department of Science and Technology of Sichuan Province[2020YFSY0016] ; Department of Science and Technology of Sichuan Province[2021YFSY0031]
Funding OrganizationNational Natural Science Foundation of China[11947404] ; Department of Science and Technology of Sichuan Province[2020YFSY0016, 2021YFSY0031]
Subject Area天文学 ; 天体物理学 ; 高能天体物理学 ; 核科学技术
MOST Discipline Catalogue理学 ; 理学::天文学 ; 工学 ; 工学::核科学与技术
SubtypeConference article (CA)
PublisherSissa Medialab Srl
EI Accession Number20230213348371
EI KeywordsPixels
EI Classification Number657 Space Physics - 657.2 Extraterrestrial Physics and Stellar Phenomena - 931.3 Atomic and Molecular Physics
Citation statistics
Document Type会议论文
Affiliation1.Southwest Jiaotong University, Xipu Campus, Southwest Jiaotong University, Chengdu, 611756, China;
2.Key Laboratory of Particle Astrophyics & Experimental Physics Division & Computing Center, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, China;
3.University of Chinese Academy of Sciences, Beijing, 100049, China;
4.TIANFU Cosmic Ray Research Center, Sichuan, Chengdu, China;
5.Dublin Institute for Advanced Studies, 31 Fitzwilliam Place, 2, Dublin, Ireland;
6.Max-Planck-Institut for Nuclear Physics, P.O. Box 103980, Heidelberg, 69029, Germany;
7.State Key Laboratory of Particle Detection and Electronics, China;
8.University of Science and Technology of China, Anhui, Hefei, 230026, China;
9.School of Physical Science and Technology, School of Information Science and Technology, Southwest Jiaotong University, Sichuan, Chengdu, 610031, China;
10.College of Physics, Sichuan University, Sichuan, Chengdu, 610065, China;
11.School of Astronomy and Space Science, Nanjing University, Jiangsu, Nanjing, 210023, China;
12.Center for Astrophysics, Guangzhou University, Guangdong, Guangzhou, 510006, China;
13.School of Physics and Technology, Wuhan University, Hubei, Wuhan, 430072, China;
14.Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Jiangsu, Nanjing, 210023, China;
15.Hebei Normal University, Hebei, Shijiazhuang, 050024, China;
16.Key Laboratory for Research in Galaxies and Cosmology, Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai, 200030, China;
17.Key Laboratory of Cosmic Rays (Tibet University), Ministry of Education, Tibet, Lhasa, 850000, China;
18.National Astronomical Observatories, Chinese Academy of Sciences, Beijing, 100101, China;
19.School of Physics and Astronomy, School of Physics (Guangzhou), Sun Yat-sen University, Guangdong, Zhuhai, 519000, China;
20.Dipartimento di Fisica dell’Università di Napoli `‘Federico II
21.School of Physics and Astronomy, Yunnan University, Yunnan, Kunming, 650091, China;
22.D¡¯epartement de Physique Nucl¡¯eaire et Corpusculaire, Facult¡¯e de Sciences, Universit¡¯e de Gen‘eve, 24 Quai Ernest Ansermet, Geneva, 1211, Switzerland;
23.Institute of Frontier and Interdisciplinary Science, Shandong University, Shandong, Qingdao, 266237, China;
24.Department of Engineering Physics, Tsinghua University, Beijing, 100084, China;
25.School of Physics and Microelectronics, Zhengzhou University, Henan, Zhengzhou, 450001, China;
26.Institute for Nuclear Research of Russian Academy of Sciences, Moscow, 117312, Russia;
27.School of Physics, Peking University, Beijing, 100871, China;
28.School of Physical Science and Technology, Guangxi University, Guangxi, Nanning, 530004, China;
29.Tsung-Dao Lee Institute, School of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai, 200240, China;
30.Yunnan Observatories, Chinese Academy of Sciences, Yunnan, Kunming, 650216, China;
31.Department of Physics, Faculty of Science, Mahidol University, Bangkok, 10400, Thailand;
32.Moscow Institute of Physics and Technology, Moscow, 141700, Russia;
33.Key Laboratory of Radio Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Jiangsu, Nanjing, 210023, China;
34.National Space Science Center, Chinese Academy of Sciences, Beijing, 100190, China
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Liu, Hu,Cao, Zhen,Aharonian, F.,et al. Study of longitudinal development of cosmic-ray induced air showers with LHAASO-WFCTA[C]:Sissa Medialab Srl,2022.
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