| Peta-electron volt gamma-ray emission from the Crab Nebula The LHAASO Collaboration | |
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| 发表期刊 | SCIENCE
 |
| 2021-07-23 | |
| 卷号 | 373期号:6553页码:425-+ |
| DOI | 10.1126/science.abg5137 |
| 产权排序 | 第25完成单位 |
| 收录类别 | SCI |
| 摘要 | The Crab Nebula is a bright source of gamma rays powered by the Crab Pulsar's rotational energy through the formation and termination of a relativistic electron-positron wind. We report the detection of gamma rays from this source with energies from 5 x 10(-4) to 1.1 peta-electron volts with a spectrum showing gradual steepening over three energy decades. The ultrahigh-energy photons imply the presence of a peta-electron volt electron accelerator (a pevatron) in the nebula, with an acceleration rate exceeding 15% of the theoretical limit. We constrain the pevatron's size between 0.025 and 0.1 parsecs and the magnetic field to approximate to 110 microgauss. The production rate of peta-electron volt electrons, 2.5 x 10(36) ergs per second, constitutes 0.5% of the pulsar spin-down luminosity, although we cannot exclude a contribution of peta-electron volt protons to the production of the highest-energy gamma rays. |
| 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] ; NSFCNational Natural Science Foundation of China (NSFC)[12022502] ; NSFCNational Natural Science Foundation of China (NSFC)[11905227] ; NSFCNational Natural Science Foundation of China (NSFC)[U1831208] ; NSFCNational Natural Science Foundation of China (NSFC)[U1931112] ; NSFCNational Natural Science Foundation of China (NSFC)[11635011] ; NSFCNational Natural Science Foundation of China (NSFC)[11761141001] ; NSFCNational Natural Science Foundation of China (NSFC)[11905240] ; NSFCNational Natural Science Foundation of China (NSFC)[11675204] ; NSFCNational Natural Science Foundation of China (NSFC)[11475190] ; NSFCNational Natural Science Foundation of China (NSFC)[U2031105] ; NSFCNational Natural Science Foundation of China (NSFC)[U1831129] ; Thailand Science Research and Innovation[RTA6280002] ; Chengdu Management Committee of Tianfu New Area |
| 项目资助者 | National Key R&D program of China[2018YFA0404201, 2018YFA0404202, 2018YFA0404203, 2018YFA0404204] ; NSFCNational Natural Science Foundation of China (NSFC)[12022502, 11905227, U1831208, U1931112, 11635011, 11761141001, 11905240, 11675204, 11475190, U2031105, U1831129] ; Thailand Science Research and Innovation[RTA6280002] ; Chengdu Management Committee of Tianfu New Area |
| 语种 | 英语 |
| 学科领域 | 天文学 ; 天体物理学 ; 高能天体物理学 |
| 文章类型 | Article |
| 出版者 | AMER ASSOC ADVANCEMENT SCIENCE |
| 出版地 | 1200 NEW YORK AVE, NW, WASHINGTON, DC 20005 USA |
| ISSN | 0036-8075 |
| URL | 查看原文 |
| WOS记录号 | WOS:000679232100032 |
| WOS研究方向 | Science & Technology - Other Topics |
| WOS类目 | Multidisciplinary Sciences |
| 关键词[WOS] | PULSAR WIND NEBULAE ; ENERGY COSMIC-RAYS ; ACCELERATION ; SPECTRUM ; ORIGIN ; SYNCHROTRON ; PARTICLES ; DISCOVERY ; RADIATION ; FLARES |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 版本 | 出版稿 |
| 条目标识符 | http://ir.ynao.ac.cn/handle/114a53/24516 |
| 专题 | 高能天体物理研究组 星系类星体研究组 |
| 通讯作者 | Cao, Zhen; Aharonian, F.; Chen, S.Z.; Li, Cheng; Lin, S.J.; Liu, R.Y.; Wang, L.Y.; Yin, L.Q.; Zha, M.; Zhang, S.S. |
| 作者单位 | 1.Key Laboratory of Particle Astrophyics & Experimental Physics Division & Computing Center, Institute of High Energy Physics, Chinese Academy of Sciences, 100049 Beijing, China; 2.University of Chinese Academy of Sciences, 100049 Beijing, China; 3.Tianfu Cosmic Ray Research Center, Chengdu, Sichuan, 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, 230026 Hefei, Anhui, China; 8.School of Physical Science and Technology & School of Information Science and Technology, Southwest Jiaotong University, 610031 Chengdu, Sichuan, China; 9.College of Physics, Sichuan University, 610065 Chengdu, Sichuan, China; 10.School of Astronomy and Space Science, Nanjing University, 210023 Nanjing, Jiangsu, China; 11.Center for Astrophysics, Guangzhou University, 510006 Guangzhou, Guangdong, China; 12.School of Physics and Technology, Wuhan University, 430072 Wuhan, Hubei, China; 13.Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, 210023 Nanjing, Jiangsu, China; 14.Hebei Normal University, 050024 Shijiazhuang, Hebei, China; 15.Key Laboratory for Research in Galaxies and Cosmology, Shanghai Astronomical Observatory, Chinese Academy of Sciences, 200030 Shanghai, China; 16.Key Laboratory of Cosmic Rays (Tibet University), Ministry of Education, 850000 Lhasa, Tibet, China; 17.National Astronomical Observatories, Chinese Academy of Sciences, 100101 Beijing, China; 18.School of Physics and Astronomy & School of Physics (Guangzhou), Sun Yat-sen University, 519000 Zhuhai, Guangdong, China; 19.Dipartimento di Fisica dell’Universita di Napoli ` `‘Federico II”, Complesso Universitario di Monte Sant’Angelo, via Cinthia, 80126 Napoli, Italy.; 20.School of Physics and Astronomy, Yunnan University, 650091 Kunming, Yunnan, China; 21.D’epartement de Physique Nucl’eaire et Corpusculaire, Facult’e de Sciences, Universit’e de Geneve, 24 Quai ` Ernest Ansermet, 1211 Geneva, Switzerland; 22.Institute of Frontier and Interdisciplinary Science, Shandong University, 266237 Qingdao, Shandong, China; 23.Department of Engineering Physics, Tsinghua University, 100084 Beijing, China; 24.School of Physics and Microelectronics, Zhengzhou University, 450001 Zhengzhou, Henan, China; 25.Yunnan Observatories, Chinese Academy of Sciences, 650216 Kunming, Yunnan, China; 26.Institute for Nuclear Research of Russian Academy of Sciences, 117312 Moscow, Russia; 27.School of Physics, Peking University, 100871 Beijing, China; 28.School of Physical Science and Technology, Guangxi University, 530004 Nanning, Guangxi, China; 29.Tsung-Dao Lee Institute & School of Physics and Astronomy, Shanghai Jiao Tong University, 200240 Shanghai, China; 30.Department of Physics, Faculty of Science, Mahidol University, 10400 Bangkok, Thailand; 31.Moscow Institute of Physics and Technology, 141700 Moscow, Russia; 32.National Space Science Center, Chinese Academy of Sciences, 100190 Beijing, China |
| 推荐引用方式 GB/T 7714 | Cao, Zhen,Aharonian, F.,An, Q.,et al. Peta-electron volt gamma-ray emission from the Crab Nebula The LHAASO Collaboration[J]. SCIENCE,2021,373(6553):425-+. |
| APA | Cao, Zhen.,Aharonian, F..,An, Q..,Axikegu.,Bai, L.X..,...&Zuo, X..(2021).Peta-electron volt gamma-ray emission from the Crab Nebula The LHAASO Collaboration.SCIENCE,373(6553),425-+. |
| MLA | Cao, Zhen,et al."Peta-electron volt gamma-ray emission from the Crab Nebula The LHAASO Collaboration".SCIENCE 373.6553(2021):425-+. |
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| Peta-electron volt g（446KB） | 期刊论文 | 出版稿 | 开放获取 | CC BY-NC-SA | 浏览 请求全文 | |
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