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

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ID: 40347
2019
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Abstract
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 5.6σ statistical significance. This is the first detection of photons with E>100  TeV from an astrophysical source.
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amenomori2019firstphysical Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Amenomori, M;Bao, Y W;Bi, X J;Chen, D;Chen, T L;Chen, W Y;Chen, Xu;Chen, Y;Cirennima, ;Cui, S W;Danzengluobu, ;Ding, L K;Fang, J H;Fang, K;Feng, C F;Feng, Zhaoyang;Feng, Z Y;Gao, Qi;Gou, Q B;Guo, Y Q;He, H H;He, Z T;Hibino, K;Hotta, N;Hu, Haibing;Hu, H B;Huang, J;Jia, H Y;Jiang, L;Jin, H B;Kajino, F;Kasahara, K;Katayose, Y;Kato, C;Kato, S;Kawata, K;Kozai, M;Labaciren, ;Le, G M;Li, A F;Li, H J;Li, W J;Lin, Y H;Liu, B;Liu, C;Liu, J S;Liu, M Y;Lou, Y-Q;Lu, H;Meng, X R;Mitsui, H;Munakata, K;Nakamura, Y;Nanjo, H;Nishizawa, M;Ohnishi, M;Ohta, I;Ozawa, S;Qian, X L;Qu, X B;Saito, T;Sakata, M;Sako, T K;Sengoku, Y;Shao, J;Shibata, M;Shiomi, A;Sugimoto, H;Takita, M;Tan, Y H;Tateyama, N;Torii, S;Tsuchiya, H;Udo, S;Wang, H;Wu, H R;Xue, L;Yagisawa, K;Yamamoto, Y;Yang, Z;Yuan, A F;Zhai, L M;Zhang, H M;Zhang, J L;Zhang, X;Zhang, X Y;Zhang, Y;Zhang, Yi;Zhang, Ying;Zhaxisangzhu, ;Zhou, X X;, ;
Journal physical review letters
Year 2019
DOI
10.1103/PhysRevLett.123.051101
URL
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