First Detection of Photons with Energy beyond 100 TeV from an Astrophysical Source

被引：164

作者：

Amenomori, M. ^{[1
]}

Bao, Y. W. ^{[2
]}

Bi, X. J. ^{[3
]}

Chen, D. ^{[4
]}

Chen, T. L. ^{[5
]}

Chen, W. Y. ^{[3
]}

Chen, Xu ^{[3
,6
]}

Chen, Y. ^{[2
]}

Cirennima ^{[5
]}

Cui, S. W. ^{[7
]}

Danzengluobu ^{[5
]}

Ding, L. K. ^{[3
]}

Fang, J. H. ^{[3
,6
]}

Fang, K. ^{[3
]}

Feng, C. F. ^{[8
]}

Feng, Zhaoyang ^{[3
]}

Feng, Z. Y. ^{[9
]}

Gao, Qi ^{[5
]}

Gou, Q. B. ^{[3
]}

Guo, Y. Q. ^{[3
]}

He, H. H. ^{[3
]}

He, Z. T. ^{[7
]}

Hibino, K. ^{[10
]}

Hotta, N. ^{[11
]}

Hu, Haibing ^{[5
]}

Hu, H. B. ^{[3
]}

Huang, J. ^{[3
]}

Jia, H. Y. ^{[9
]}

Jiang, L. ^{[3
]}

Jin, H. B. ^{[4
]}

Kajino, F. ^{[12
]}

Kasahara, K. ^{[13
]}

Katayose, Y. ^{[14
]}

Kato, C. ^{[15
]}

Kato, S. ^{[16
]}

Kawata, K. ^{[16
]}

Kozai, M. ^{[17
]}

Labaciren ^{[5
]}

Le, G. M. ^{[18
]}

Li, A. F. ^{[3
,8
,19
]}

Li, H. J. ^{[5
]}

Li, W. J. ^{[3
,9
]}

Lin, Y. H. ^{[3
,6
]}

Liu, B. ^{[2
]}

Liu, C. ^{[3
]}

Liu, J. S. ^{[3
]}

Liu, M. Y. ^{[5
]}

Lou, Y-Q ^{[20
,21
]}

Lu, H. ^{[3
]}

Meng, X. R. ^{[5
]}

机构：

[1] Hirosaki Univ, Dept Phys, Hirosaki, Aomori 0368561, Japan

[2] Nanjing Univ, Sch Astron & Space Sci, Nanjing 210093, Jiangsu, Peoples R China

[3] Chinese Acad Sci, Inst High Energy Phys, Key Lab Particle Astrophys, Beijing 100049, Peoples R China

[4] Chinese Acad Sci, Nal Astron Observ, Beijing 100012, Peoples R China

[5] Tibet Univ, Phys Dept, Sci Sch, Lhasa 850000, Peoples R China

[6] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

[7] Hebei Normal Univ, Dept Phys, Shijiazhuang 050016, Hebei, Peoples R China

[8] Shandong Univ, Dept Phys, Jinan 250100, Shandong, Peoples R China

[9] SouthWest Jiaotong Univ, Inst Modern Phys, Chengdu 610031, Sichuan, Peoples R China

[10] Kanagawa Univ, Fac Engn, Yokohama, Kanagawa 2218686, Japan

[11] Utsunomiya Univ, Fac Educ, Utsunomiya, Tochigi 3218505, Japan

[12] Konan Univ, Dept Phys, Kobe, Hyogo 6588501, Japan

[13] Waseda Univ, Res Inst Sci & Engn, Tokyo 1698555, Japan

[14] Yokohama Natl Univ, Fac Engn, Yokohama, Kanagawa 2408501, Japan

[15] Shinshu Univ, Dept Phys, Matsumoto, Nagano 3908621, Japan

[16] Univ Tokyo, Inst Cosm Ray Res, Kashiwa, Chiba 2778582, Japan

[17] Japan Aerosp Explorat Agcy ISAS JAXA, Inst Space & Astronaut Sci, Sagamihara, Kanagawa 2525210, Japan

[18] China Meteorol Adm, Natl Ctr Space Weather, Beijing 100081, Peoples R China

[19] Shandong Agr Univ, Sch Informat Sci & Engn, Tai An 271018, Shandong, Peoples R China

[20] Tsinghua Univ, China Joint Res Ctr Astrophys, Tsinghua Natl Astron Observ, Phys Dept,Astron Dept, Beijing 100084, Peoples R China

[21] Tsinghua Univ, China Joint Res Ctr Astrophys, Tsinghua Natl Astron Observ, Tsinghua Ctr Astrophys, Beijing 100084, Peoples R China

[22] Natl Inst Informat, Tokyo 1018430, Japan

[23] Sakushin Gakuin Univ, Utsunomiya, Tochigi 3213295, Japan

[24] Shandong Management Univ, Dept Mech & Elect Engn, Jinan 250357, Shandong, Peoples R China

[25] China Univ Petr, Coll Sci, Qingdao 266555, Shandong, Peoples R China

[26] Tokyo Metropolitan Coll Ind Technol, Tokyo 1168523, Japan

[27] Nihon Univ, Coll Ind Technol, Narashino, Chiba 2758576, Japan

[28] Shonan Inst Technol, Fujisawa, Kanagawa 2518511, Japan

[29] Japan Atom Energy Agcy, Tokai, Ibaraki 3191195, Japan

来源：

PHYSICAL REVIEW LETTERS | 2019年 / 123卷 / 05期

基金：

日本学术振兴会; 中国国家自然科学基金; 国家重点研发计划;

关键词：

GAMMA-RAY OBSERVATION; CRAB-NEBULA; PULSAR; SPECTRUM; WISPS;

D O I：

10.1103/PhysRevLett.123.051101

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report on the highest energy photons from the Crab Nebula observed by the Tibet air shower array with the underground water-Cherenkov-type muon detector array. Based on the criterion of a muon number measured in an air shower, we successfully suppress 99.92% of the cosmic-ray background events with energies E > 100 TeV. As a result, we observed 24 photonlike events with E > 100 TeV against 5.5 background events, which corresponds to a 5.6 sigma statistical significance. This is the first detection of photons with E > 100 TeV from an astrophysical source.

引用

页数：6

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