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Measurement of the cosmic ray proton and helium spectrum with energy above 100TeV by the LHAASO experiment
Lingling, Ma1,3; Yudong, Wang1,3; Liping, Wang1,4; Liqiao, Yin1,3; Zhiyong, You1,2,3; Shoushan, Zhang1,3; Cao, Zhen3,5,6; Aharonian, F.7,8; An, Q.9,10; Axikegu11; Bai, L. X.12; Bai, Y. X.3,5; Bao, Y. W.13; Bastieri, D.14; Bi, X. J.3,5,6; Bi, Y. J.3,5; Cai, H.15; Cai, J. T.14; Cao, Zhe9,10; Chang, J.16; Chang, J. F.3,5,9; Chen, B. M.17; Chen, E. S.3,5,6; Chen, J.12; Chen, Liang3,5,6,18; Chen, Long11; Chen, M. J.3,5; Chen, M. L.3,5,9; Chen, Q. H.11; Chen, S. H.3,5,6; Chen, S. Z.3,5; Chen, T. L.19; Chen, X. L.3,5,6; Chen, Y.13; Cheng, N.3,5; Cheng, Y. D.3,5; Cui, S. W.17; Cui, X. H.20; Cui, Y. D.21; D’Ettorre Piazzoli, B.22; Dai, B. Z.23; Dai, H. L.3,5,9; Dai, Z. G.10; Danzengluobu19; della Volpe, D.24; Dong, X. J.3,5; Duan, K. K.16; Fan, J. H.14; Fan, Y. Z.16; Fan, Z. X.3,5; Fang, J.23; Fang, K.3,5; Feng, C. F.25; Feng, L.16; Feng, S. H.3,5; Feng, Y. L.16; Gao, B.3,5; Gao, C. D.25; Gao, L. Q.3,5,6; Gao, Q.19; Gao, W.25; Ge, M. M.23; Geng, L. S.3,5; Gong, G. H.26; Gou, Q. B.3,5; Gu, M. H.3,5,9; Guo, F. L.18; Guo, J. G.3,5,6; Guo, X. L.11; Guo, Y. Q.3,5; Guo, Y. Y.3,5,6,16; Han, Y. A.27; He, H. H.3,5,6; He, H. N.16; He, J. C.3,5,6; He, S. L.14; He, X. B.21; He, Y.11; Heller, M.24; Hor, Y. K.21; Hou, C.3,5; Hu, H. B.3,5,6; Hu, S.12; Hu, S. C.3,5,6; Hu, X. J.26; Huang, D. H.11; Huang, Q. L.3,5; Huang, W. H.25; Huang, X. T.25; Huang, X. Y.16; Huang, Z. C.11; Ji, F.3,5; Ji, X. L.3,5,9; Jia, H. Y.11; Jiang, K.9,10; Jiang, Z. J.23; Jin, C.3,5,6; Ke, T.3,5; Kuleshov, D.28; Levochkin, K.28; Li, B. B.17; Li, Cheng9,10; Li, Cong3,5; Li, F.3,5,9; Li, H. B.3,5; Li, H. C.3,5; Li, H. Y.10,16; Li, J.3,5,9; Li, K.3,5; Li, W. L.25; Li, X. R.3,5; Li, Xin9,10,11; Li, Y.12; Li, Y. Z.3,5,6; Li, Zhe3,5; Li, Zhuo29; Liang, E. W.30; Liang, Y. F.30; Lin, S. J.21; Liu, B.10; Liu, C.3,5; Liu, D.25; Liu, H.11; Liu, H. D.27; Liu, J.3,5; Liu, J. L.31; Liu, J. S.21; Liu, J. Y.3,5; Liu, M. Y.19; Liu, R. Y.13; Liu, S. M.11; Liu, W.3,5; Liu, Y.14; Liu, Y. N.26; Liu, Z. X.12; Long, W. J.11; Lu, R.23; Lv, H. K.3,5; Ma, B. Q.29; Ma, L. L.3,5; Ma, X. H.3,5; Mao JR(毛基荣)32; Masood, A.11; Min, Z.3,5; Mitthumsiri, W.33; Montaruli, T.24; Nan, Y. C.25; Pang, B. Y.11; Pattarakijwanich, P.33; Pei, Z. Y.14; Qi, M. Y.3,5; Qi, Y. Q.17; Qiao, B. Q.3,5; Qin, J. J.10; Ruffolo, D.33; Rulev, V.28; Sáiz, A.33; Shao, L.17; Shchegolev, O.28,34; Sheng, X. D.3,5; Shi, J. Y.3,5; Song, H. C.29; Stenkin, Yu. V.28,34; Stepanov, V.28; Su, Y.35; Sun, Q. N.11; Sun, X. N.30; Sun, Z. B.36; Tam, P. H.21
Source PublicationProceedings of Science
Contribution Rank第32完成单位
Indexed ByEI
Conference Name37th International Cosmic Ray Conference, ICRC 2021
Conference Date2021-07-12
Conference PlaceVirtual, Berlin, Germany

Large High Altitude Air Shower Observatory (LHAASO) consists of three interconnected detectors with the aim to measure several air shower characteristics simultaneously. One of the main scientific goals is to measure the individual cosmic ray spectrum at knee regime. In this paper we introduce the progress of measuring the energy spectrum of proton and helium composition of cosmic rays. According to the number of Cherenkov photons recorded by WFCTA, the energies can be reconstructed and the resolution can achieve 15% for showers produced by protons and helium with energies above 300 TeV. Due to the hybrid observation to the air showers, several parameters can be used to identify the mass compositions of the air shower. The ability of LHAASO to identify the mass composition are studied in detail in the paper. © Copyright owned by the author(s).

Funding ProjectN/A
Funding OrganizationN/A
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 Number20230213348192
EI KeywordsHelium
EI Classification Number657 Space Physics - 657.2 Extraterrestrial Physics and Stellar Phenomena - 804 Chemical Products Generally - 944.8 Radiation Measurements
Citation statistics
Document Type会议论文
Affiliation1.The Institute of High Energy Physics, The Chinese Academy of Sciences, YuQuan Road.19B, shijingshan district, Beijing, China;
2.University of Chinese Academy of Sciences, Department, YuQuan Road.19A, shijingshan district, Beijing, China;
3.TIANFU Cosmic Ray Research Center, Sichuan, Chengdu, China;
4.Shandong University, Shandong, Qingdao, China;
5.Key Laboratory of Particle Astrophyics, Experimental Physics Division, Computing Center, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, China;
6.University of Chinese Academy of Sciences, Beijing, 100049, China;
7.Dublin Institute for Advanced Studies, 31 Fitzwilliam Place, 2, Dublin, Ireland;
8.Max-Planck-Institut for Nuclear Physics, P.O. Box 103980, Heidelberg, 69029, Germany;
9.State Key Laboratory of Particle Detection and Electronics, China;
10.University of Science and Technology of China, Anhui, Hefei, 230026, China;
11.School of Physical Science and Technology, School of Information Science and Technology, Southwest Jiaotong University, Sichuan, Chengdu, 610031, China;
12.College of Physics, Sichuan University, Sichuan, Chengdu, 610065, China;
13.School of Astronomy and Space Science, Nanjing University, Jiangsu, Nanjing, 210023, China;
14.Center for Astrophysics, Guangzhou University, Guangdong, Guangzhou, 510006, China;
15.School of Physics and Technology, Wuhan University, Hubei, Wuhan, 430072, China;
16.Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Jiangsu, Nanjing, 210023, China;
17.Hebei Normal University, Hebei, Shijiazhuang, 050024, China;
18.Key Laboratory for Research in Galaxies and Cosmology, Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai, 200030, China;
19.Key Laboratory of Cosmic Rays (Tibet University), Ministry of Education, Tibet, Lhasa, 850000, China;
20.National Astronomical Observatories, Chinese Academy of Sciences, Beijing, 100101, China;
21.School of Physics and Astronomy, School of Physics (Guangzhou), Sun Yat-Sen University, Guangdong, Zhuhai, 519000, China;
22.Dipartimento di Fisica, Università di Napoli `‘Federico II
23.School of Physics and Astronomy, Yunnan University, Yunnan, Kunming, 650091, China;
24.Departement de Physique Nucleaire et Corpusculaire, Faculte de Sciences, Universite de Gen‘eve, 24 Quai Ernest Ansermet, Geneva, 1211, Switzerland;
25.Institute of Frontier and Interdisciplinary Science, Shandong University, Shandong, Qingdao, 266237, China;
26.Department of Engineering Physics, Tsinghua University, Beijing, 100084, China;
27.School of Physics and Microelectronics, Zhengzhou University, Henan, Zhengzhou, 450001, China;
28.Institute for Nuclear Research, Russian Academy of Sciences, Moscow, 117312, Russia;
29.School of Physics, Peking University, Beijing, 100871, China;
30.School of Physical Science and Technology, Guangxi University, Guangxi, Nanning, 530004, China;
31.Tsung-Dao Lee Institute, School of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai, 200240, China;
32.Yunnan Observatories, Chinese Academy of Sciences, Yunnan, Kunming, 650216, China;
33.Department of Physics, Faculty of Science, Mahidol University, Bangkok, 10400, Thailand;
34.Moscow Institute of Physics and Technology, Moscow, 141700, Russia;
35.Key Laboratory of Radio Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Jiangsu, Nanjing, 210023, China;
36.National Space Science Center, Chinese Academy of Sciences, Beijing, 100190, China
Recommended Citation
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Lingling, Ma,Yudong, Wang,Liping, Wang,et al. Measurement of the cosmic ray proton and helium spectrum with energy above 100TeV by the LHAASO experiment[C]:Sissa Medialab Srl,2022.
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