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Optimization of performance of the KM2A full array using the Crab Nebula
Cao, Zhen1,2,3; Aharonian, F.4,5; An, Q.6,7; Axikegu8; Bai, Y.X.1,3; Bao, Y.W.9; Bastieri, D.10; Bi, X.J.1,2,3; Bi, Y.J.1,3; Cai, J.T.10; Cao, Q.11; Cao, W.Y.7; Cao, Zhe6,7; Chang, J.12; Chang, J.F.1,3,6; Chen, A.M.13; Chen, E.S.1,2,3; Chen, Liang14; Chen, Lin8; Chen, Long8; Chen, M.J.1,3; Chen, M.L.1,3,6; Chen, Q.H.8; Chen, S.H.1,2,3; Chen, T.L.15; Chen, Y.9; Cheng, N.1,3; Cheng, Y.D.1,3; Cui, M.Y.12; Cui, S.W.11; Cui, X.H.16; Cui, Y.D.17; Dai, B.Z.18; Dai, H.L.1,3,6; Dai, Z.G.7; Danzengluobu15; Volpe, D. della19; Dong, X.Q.1,2,3; Duan, K.K.12; Fan, J.H.10; Fan, Y.Z.12; Fang, J.18; Fang, K.1,3; Feng, C.F.20; Feng, L.12; Feng, S.H.1,3; Feng, X.T.20; Feng, Y.L.15; Gabici, S.21; Gao, B.1,3; Gao, C.D.20; Gao, L.Q.1,2,3; Gao, Q.15; Gao, W.1,3; Gao, W.K.1,2,3; Ge, M.M.18; Geng, L.S.1,3; Giacinti, G.13; Gong, G.H.22; Gou, Q.B.1,3; Gu, M.H.1,3,6; Guo, F.L.14; Guo, X.L.8; Guo, Y.Q.1,3; Guo, Y.Y.12; Han, Y.A.23; He, H.H.1,2,3; He, H.N.12; He, J.Y.12; He, X.B.17; He, Y.8; Heller, M.19; Hor, Y.K.17; Hou, B.W.1,2,3; Hou, C.1,3; Hou X(侯贤)24; Hu, H.B.1,2,3; Hu, Q.7,12; Hu, S.C.1,2,3; Huang, D.H.8; Huang, T.Q.1,3; Huang, W.J.17; Huang, X.T.20; Huang, X.Y.12; Huang, Y.1,2,3; Huang, Z.C.8; Ji, X.L.1,3,6; Jia, H.Y.8; Jia, K.20; Jiang, K.6,7; Jiang, X.W.1,3; Jiang, Z.J.18; Jin, M.8; Kang, M.M.25; Ke, T.1,3; Kuleshov, D.26; Kurinov, K.26,27; Li, B.B.11; Li, Cheng6,7; Li, Cong1,3; Li, D.1,2,3; Li, F.1,3,6; Li, H.B.1,3; Li, H.C.1,3; Li, H.Y.7,12; Li, J.7,12; Li, Jian7; Li, Jie1,3,6; Li, K.1,3; Li, W.L.20; Li, W.L.13; Li, X.R.1,3; Li, Xin6,7; Li, Y.Z.1,2,3; Li, Zhe1,3; Li, Zhuo28; Liang, E.W.29; Liang, Y.F.29; Lin, S.J.17; Liu, B.7; Liu, C.1,3; Liu, D.20; Liu, H.8; Liu, H.D.23; Liu, J.1,3; Liu, J.L.1,3; Liu, J.Y.1,3; Liu, M.Y.15; Liu, R.Y.9; Liu, S.M.8; Liu, W.1,3; Liu, Y.10; Liu, Y.N.22; Lu, R.18; Luo, Q.17; Lv, H.K.1,3; Ma, B.Q.28; Ma, L.L.1,3; Ma, X.H.1,3; Mao JR(毛基荣)24; Min, Z.1,3; Mitthumsiri, W.30; Mu, H.J.23; Nan, Y.C.1,3; Neronov, A.21; Ou, Z.W.17; Pang, B.Y.8; Pattarakijwanich, P.30; Pei, Z.Y.10; Qi, M.Y.1,3; Qi, Y.Q.11; Qiao, B.Q.1,3; Qin, J.J.7; Ruffolo, D.30; Sáiz, A.30; Semikoz, D.21; Shao, C.Y.17; Shao, L.11; Shchegolev, O.26,27; Sheng, X.D.1,3; Shu, F.W.31; Song, H.C.28; Stenkin, Yu.V.26,27; Stepanov, V.26; Su, Y.12; Sun, Q.N.8; Sun, X.N.29; Sun, Z.B.32; Tam, P.H.T.17; Tang, Q.W.31; Tang, Z.B.6,7; Tian, W.W.2,16; Wang, C.32; Wang, C.B.8; Wang, G.W.7; Wang, H.G.10; Wang, H.H.17; Wang JC(王建成)24; Wang, K.9; Wang, L.P.20; Wang, L.Y.1,3; Wang, P.H.8; Wang, R.20; Wang, W.17; Wang, X.G.29; Wang, X.Y.9; Wang, Y.8; Wang, Y.D.1,3; Wang, Y.J.1,3; Wang, Z.H.25; Wang, Z.X.18; Wang, Zhen13; Wang, Zheng1,3,6; Wei, D.M.12; Wei, J.J.12; Wei, Y.J.1,2,3; Wen, T.18; Wu, C.Y.1,3; Wu, H.R.1,3; Wu, S.1,3; Wu, X.F.12; Wu, Y.S.7; Xi, S.Q.1,3; Xia, J.7,12; Xia, J.J.8; Xiang, G.M.2,14; Xiao, D.X.11; Xiao, G.1,3; Xin, G.G.1,3; Xin, Y.L.8; Xing, Y.14; Xiong, Z.1,2,3; Xu, D.L.13; Xu, R.F.1,2,3; Xu, R.X.28; Xu, W.L.25; Xue, L.20; Yan, D.H.18; Yan, J.Z.12; Yan, T.1,3; Yang, C.W.25; Yang, F.11; Yang, F.F.1,3,6; Yang, H.W.17; Yang, J.Y.17; Yang, L.L.17; Yang, M.J.1,3; Yang, R.Z.7; Yang, S.B.18; Yao, Y.H.25; Yao, Z.G.1,3; Ye, Y.M.22; Yin, L.Q.1,3; Yin, N.20; You, X.H.1,3; You, Z.Y.1,2,3; Yu, Y.H.7; Yuan, Q.12; Yue, H.1,2,3; Zeng, H.D.12; Zeng, T.X.1,3,6; Zeng, W.18; Zha, M.1,3; Zhang, B.B.9; Zhang, F.8; Zhang, H.M.9; Zhang, H.Y.1,3; Zhang, J.L.16; Zhang, L.X.10; Zhang, Li18; Zhang, P.F.18; Zhang, P.P.7,12; Zhang, R.7,12; Zhang, S.B.2,16; Zhang, S.R.11; Zhang, S.S.1,3; Zhang, X.9; Zhang, X.P.1,3; Zhang, Y.F.8; Zhang, Yi1,12; Zhang, Yong1,3; Zhao, B.8; Zhao, J.1,3; Zhao, L.6,7; Zhao, L.Z.11; Zhao, S.P.12,20; Zheng, F.32; Zhou, B.1,3; Zhou, H.13; Zhou, J.N.14; Zhou, M.31; Zhou, P.9; Zhou, R.25; Zhou, X.X.8; Zhu, C.G.20; Zhu, F.R.8; Zhu, H.16; Zhu, K.J.1,2,3,6; Zuo, X.1,3
发表期刊CHINESE PHYSICS C
2024-06-01
卷号48期号:6
DOI10.1088/1674-1137/ad2e82
产权排序第24完成单位
收录类别SCI
关键词gamma-ray Crab Nebula significance
摘要The full array of the Large High Altitude Air Shower Observatory (LHAASO) has been in operation since July 2021. For its kilometer-square array (KM2A), we optimized the selection criteria for very high and ultra-high energy gamma-rays using data collected from August 2021 to August 2022, resulting in an improvement in significance of the detection in the Crab Nebula of approximately 15%, compared with that of previous cuts. With the implementation of these new selection criteria, the angular resolution was also significantly improved by approximately 10% at tens of TeV. Other aspects of the full KM2A array performance, such as the pointing error, were also calibrated using the Crab Nebula. The resulting energy spectrum of the Crab Nebula in the energy range of 10-1000 TeV are well fitted by a log-parabola model, which is consistent with the previous results from LHAASO and other experiments.
资助项目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 Key R & D Program of China[2018YFA0404204]; National Natural Science Foundation of China[12022502]; National Natural Science Foundation of China[12205314]; National Natural Science Foundation of China[12105301]; National Natural Science Foundation of China[12261160362]; National Natural Science Foundation of China[12105294]; National Natural Science Foundation of China[U1931201]; Youth Innovation Promotion Association CAS[2022010]; Thailand by the National Science and Technology Development Agency (NSTDA); National Research Council of Thailand (NRCT): High-Potential Research Team Grant Program[N42A650868]
项目资助者National Key R & D Program of China[2018YFA0404201, 2018YFA0404202, 2018YFA0404203, 2018YFA0404204] ; National Natural Science Foundation of China[12022502, 12205314, 12105301, 12261160362, 12105294, U1931201] ; Youth Innovation Promotion Association CAS[2022010] ; Thailand by the National Science and Technology Development Agency (NSTDA) ; National Research Council of Thailand (NRCT): High-Potential Research Team Grant Program[N42A650868]
语种英语
学科领域物理学 ; 天文学 ; 星系与宇宙学
文章类型Article
出版者IOP Publishing Ltd
出版地TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
ISSN1674-1137
URL查看原文
WOS记录号WOS:001223230400001
WOS研究方向Physics
WOS类目Physics, Nuclear ; Physics, Particles & Fields
关键词[WOS]TEV ; PULSAR
引用统计
被引频次：1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
版本出版稿
条目标识符http://ir.ynao.ac.cn/handle/114a53/27348
专题星系类星体研究组
高能天体物理研究组
作者单位1.Key Laboratory of Particle Astrophyics & Experimental Physics Division & Computing Center, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China;
2.University of Chinese Academy of Sciences, Beijing 100049, China;
3.Tianfu Cosmic Ray Research Center, Chengdu 610000, China;
4.Dublin Institute for Advanced Studies, 31 Fitzwilliam Place, 2 Dublin, Ireland;
5.Max-Planck-Institut for Nuclear Physics, P.O. Box 103980, 69029 Heidelberg, Germany;
6.State Key Laboratory of Particle Detection and Electronics, China;
7.University of Science and Technology of China, Hefei 230026, China;
8.School of Physical Science and Technology & School of Information Science and Technology, Southwest Jiaotong University, Chengdu 610031, China;
9.School of Astronomy and Space Science, Nanjing University, Nanjing 210023, China;
10.Center for Astrophysics, Guangzhou University, Guangzhou 510006, China;
11.Hebei Normal University, Shijiazhuang 050024, China;
12.Key Laboratory of Dark Matter and Space Astronomy & Key Laboratory of Radio Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210023, China;
13.Tsung-Dao Lee Institute & School of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, China;
14.Key Laboratory for Research in Galaxies and Cosmology, Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030, China;
15.Key Laboratory of Cosmic Rays (Tibet University), Ministry of Education, Lhasa 850000, Tibet, China;
16.National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100101, China;
17.School of Physics and Astronomy (Zhuhai) & School of Physics (Guangzhou) & Sino-French Institute of Nuclear Engineering and Technology (Zhuhai), Sun Yat-sen University, Zhuhai 519000 & Guangzhou 510275, China;
18.School of Physics and Astronomy, Yunnan University, Kunming 650091, China;
19.Département de Physique Nucléaire et Corpusculaire, Faculté de Sciences, Université de Genève, 24 Quai Ernest Ansermet, 1211 Geneva, Switzerland;
20.Institute of Frontier and Interdisciplinary Science, Shandong University, Qingdao 266237, China;
21.APC, Universit'e Paris Cit'e, CNRS/IN2P3, CEA/IRFU, Observatoire de Paris, 119 75205 Paris, France;
22.Department of Engineering Physics, Tsinghua University, Beijing 100084, China;
23.School of Physics and Microelectronics, Zhengzhou University, Zhengzhou 450001, China;
24.Yunnan Observatories, Chinese Academy of Sciences, Kunming 650216, China;
25.College of Physics, Sichuan University, Chengdu 610065, China;
26.Institute for Nuclear Research of Russian Academy of Sciences, Moscow 117312, Russia;
27.Moscow Institute of Physics and Technology, Moscow 141700, Russia;
28.School of Physics, Peking University, Beijing 100871, China;
29.School of Physical Science and Technology, Guangxi University, Nanning 530004, China;
30.Department of Physics, Faculty of Science, Mahidol University, Bangkok 10400, Thailand;
31.Center for Relativistic Astrophysics and High Energy Physics, School of Physics and Materials Science & Institute of Space Science and Technology, Nanchang University, Nanchang 330031, China;
32.National Space Science Center, Chinese Academy of Sciences, Beijing 100190, China
推荐引用方式
GB/T 7714		 Cao, Zhen,Aharonian, F.,An, Q.,et al. Optimization of performance of the KM2A full array using the Crab Nebula[J]. CHINESE PHYSICS C,2024,48(6).
APA Cao, Zhen.,Aharonian, F..,An, Q..,Axikegu.,Bai, Y.X..,...&Zuo, X..(2024).Optimization of performance of the KM2A full array using the Crab Nebula.CHINESE PHYSICS C,48(6).
MLA Cao, Zhen,et al."Optimization of performance of the KM2A full array using the Crab Nebula".CHINESE PHYSICS C 48.6(2024).
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