Identification of proton and gamma in LHAASO-KM2A simulation data with deep learning algorithms

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【作者】F., Zhang，F.R., Zhu，S.M., Liu，Y.C., Hao，C., He，J., Hou，Z., Li，Z., Cao，F., Aharonian，Q., An，12，L.X., Bai，Y.X., Bai，Y.W., Bao，D., Bastieri，X.J., Bi，Y.J., Bi，H., Cai，J.T., Cai，Z., Cao，J., Chang，J.F., Chang，B.M., Chen，E.S., Chen，J., Chen，L., Chen，L., Chen，L., Chen，M.J., Chen，M.L., Chen，Q.H., Chen，S.H., Chen，S.Z., Chen，T.L., Chen，X.L., Chen，Y., Chen，N., Cheng，Y.D., Cheng，S.W., Cui，X.H., Cui，Y.D., Cui，B., D'Ettorre Piazzoli，B.Z., Dai，H.L., Dai，Z.G., Dai，20，D., della Volpe，X.J., Dong，K.K., Duan，J.H., Fan，Y.Z., Fan，Z.X., Fan，J., Fang，K., Fang，C.F., Feng，L., Feng，S.H., Feng，Y.L., Feng，B., Gao，C.D., Gao，L.Q., Gao，Q., Gao，W., Gao，M.M., Ge，L.S., Geng，G.H., Gong，Q.B., Gou，M.H., Gu，F.L., Guo，J.G., Guo，X.L., Guo，Y.Q., Guo，Y.Y., Guo，Y.A., Han，H.H., He，H.N., He，J.C., He，S.L., He，X.B., He，Y., He，M., Heller，Y.K., Hor，C., Hou，H.B., Hu，S., Hu，S.C., Hu，X.J., Hu，D.H., Huang，Q.L., Huang，W.H., Huang，X.T., Huang，X.Y., Huang，Z.C., Huang，F., Ji，X.L., Ji，H.Y., Jia，K., Jiang，Z.J., Jiang，C., Jin，T., Ke，D., Kuleshov，K., Levochkin，B.B., Li，C., Li，C., Li，F., Li，H.B., Li，H.C., Li，H.Y., Li，J., Li，K., Li，W.L., Li，X.R., Li，X., Li，X., Li，Y., Li，Y.Z., Li，Z., Li，Z., Li，E.W., Liang，Y.F., Liang，S.J., Lin，B., Liu，C., Liu，D., Liu，H., Liu，H.D., Liu，J., Liu，J.L., Liu，J.S., Liu，J.Y., Liu，M.Y., Liu，R.Y., Liu，S.M., Liu，W., Liu，Y., Liu，Y.N., Liu，Z.X., Liu，W.J., Long，R., Lu，H.K., Lv，B.Q., Ma，L.L., Ma，X.H., Ma，J.R., Mao，A., Masood，Z., Min，W., Mitthumsiri，T., Montaruli，Y.C., Nan，B.Y., Pang，P., Pattarakijwanich，Z.Y., Pei，M.Y., Qi，Y.Q., Qi，B.Q., Qiao，J.J., Qin，D., Ruffolo，Rulev, V.，Sáiz, A.，Shao, L.，Shchegolev, O.，Sheng, X.D.，Shi, J.Y.，Song, H.C.，Stenkin, Yu.V.，Stepanov, V.，Su, Y.，Sun, Q.N.，Sun, X.N.，Sun, Z.B.，Tam, P.H.T.
【作者单位】¹School of Physical Science and Technology, Southwest Jiaotong University, Chengdu; 611756, China;²Graduate School of Tangshan, Southwest Jiaotong University, Tangshan; 063000, China;³School of Information Science and Technology, Southwest Jiaotong University, Chengdu; 611756, China;⁴Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Beijing; 100049, China;⁵Key Laboratory of Particle Astrophyics, Experimental Physics Division, Computing Center, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing; 100049, China;⁶University of Chinese Academy of Sciences, Beijing; 100049, China;⁷TIANFU Cosmic Ray Research Center, Sichuan, Chengdu, China;⁸Dublin Institute for Advanced Studies, 31 Fitzwilliam Place, Dublin 2, Ireland;⁹Max-Planck-Institut for Nuclear Physics, P.O. Box 103980, Heidelberg; 69029, Germany;¹⁰State Key Laboratory of Particle Detection and Electronics, China;¹¹University of Science and Technology of China, Anhui, Hefei; 230026, China;¹²School of Physical Science and Technology, School of Information Science and Technology, Southwest Jiaotong University, Sichuan, Chengdu; 610031, China;¹³College of Physics, Sichuan University, Sichuan, Chengdu; 610065, China;¹⁴School of Astronomy and Space Science, Nanjing University, Jiangsu, Nanjing; 210023, China;¹⁵Center for Astrophysics, Guangzhou University, Guangdong, Guangzhou; 510006, China;¹⁶School of Physics and Technology, Wuhan University, Hubei, Wuhan; 430072, China;¹⁷Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Jiangsu, Nanjing; 210023, China;¹⁸Hebei Normal University, Hebei, Shijiazhuang; 050024, China;¹⁹Key Laboratory for Research in Galaxies and Cosmology, Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai; 200030, China;²⁰Key Laboratory of Cosmic Rays (Tibet University), Ministry of Education, Tibet, Lhasa; 850000, China;²¹National Astronomical Observatories, Chinese Academy of Sciences, Beijing; 100101, China;²²School of Physics and Astronomy, School of Physics (Guangzhou), Sun Yat-sen University, Guangdong, Zhuhai; 519000, China;²³Dipartimento di Fisica, Università di Napoli 'Federico II', Complesso Universitario di Monte Sant'Angelo, via Cinthia, Napoli; 80126, Italy;²⁴School of Physics and Astronomy, Yunnan University, Yunnan, Kunming; 650091, China;²⁵D'epartement de Physique Nucl'eaire et Corpusculaire, Facult'e de Sciences, Universit'e de Gen'eve, 24 Quai Ernest Ansermet, Geneva; 1211, Switzerland;²⁶Institute of Frontier and Interdisciplinary Science, Shandong University, Shandong, Qingdao; 266237, China;²⁷Department of Engineering Physics, Tsinghua University, Beijing; 100084, China;²⁸School of Physics and Microelectronics, Zhengzhou University, Henan, Zhengzhou; 450001, China;²⁹Institute for Nuclear Research of Russian Academy of Sciences, Moscow; 117312, Russia;³⁰School of Physics, Peking University, Beijing; 100871, China;³¹School of Physical Science and Technology, Guangxi University, Guangxi, Nanning; 530004, China;³²Tsung-Dao Lee Institute, School of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai; 200240, China;³³Yunnan Observatories, Chinese Academy of Sciences, Yunnan, Kunming; 650216, China;³⁴Department of Physics, Faculty of Science, Mahidol University, Bangkok; 10400, Thailand;³⁵Moscow Institute of Physics and Technology, Moscow; 141700, Russia;³⁶Key Laboratory of Radio Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Jiangsu, Nanjing; 210023, China;³⁷National Space Science Center, Chinese Academy of Sciences, Beijing; 100190, China
【召开年】2021
【会议地点】Virtual, Berlin, Germany
【摘要】 Identification of proton and gamma plays an essential role in ultra-high energy gamma-ray astronomy with LHAASO-KM2A. In this work, two neural networks and graph neural networks ) are applied to distinguish proton and gamma in the LHAASOKM2A simulat...
【文献类型】会议论文

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