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

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.

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

Amenomori, M., Bao, Y. W., Bi, X. J., Chen, D., Chen, T. L., Chen, W. Y., et al. (in preparation). First Detection of Photons with Energy Beyond 100 TeV from an Astrophysical Source.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0004-450D-1 Version Permalink: https://hdl.handle.net/21.11116/0000-0004-4530-8

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Creators:
Amenomori, M.¹, Author
Bao, Y. W., Author
Bi, X. J., Author
Chen, D., Author
Chen, T. L., Author
Chen, W. Y., Author
Chen, Xu, Author
Chen, Y., Author
Cirennima, Author
Cui, S. W., Author
Danzengluobu, Author
Ding, L. K., Author
Fang, J. H., Author
Fang, K., Author
Feng, C. F., Author
Feng, Zhaoyang, Author
Feng, Z. Y., Author
Gao, Qi, Author
Gou, Q. B., Author
Guo, Y. Q., Author
He, H. H., AuthorHe, Z. T., AuthorHibino, K., AuthorHotta, N., AuthorHu, Haibing, AuthorHu, H. B., AuthorHuang, J., AuthorJia, H. Y., AuthorJiang, L., AuthorJin, H. B., AuthorKajino, F., AuthorKasahara, K., AuthorKatayose, Y., AuthorKato, C., AuthorKato, S., AuthorKawata, K., AuthorKozai, M., AuthorLabaciren, AuthorLe, G. M., AuthorLi, A. F., AuthorLi, H. J., AuthorLi, W. J., AuthorLin, Y. H., AuthorLiu, B., AuthorLiu, C., AuthorLiu, J. S., AuthorLiu, M. Y., AuthorLou, Y. -Q., AuthorLu, H., AuthorMeng, X. R., AuthorMitsui, H., AuthorMunakata, K., AuthorNakamura, Y., AuthorNanjo, H., AuthorNishizawa, M., AuthorOhnishi, M., AuthorOhta, I., AuthorOzawa, S., AuthorQian, X. L., AuthorQu, X. B., AuthorSaito, T., AuthorSakata, M., AuthorSako, T. K., AuthorSengoku, Y., AuthorShao, J., AuthorShibata, M.², Author Shiomi, A., AuthorSugimoto, H., AuthorTakita, M., AuthorTan, Y. H., AuthorTateyama, N., AuthorTorii, S., AuthorTsuchiya, H., AuthorUdo, S., AuthorWang, H., AuthorWu, H. R., AuthorXue, L., AuthorYagisawa, K., AuthorYamamoto, Y., AuthorYang, Z., AuthorYuan, A. F., AuthorZhai, L. M., AuthorZhang, H. M., AuthorZhang, J. L., AuthorZhang, X., AuthorZhang, X. Y., AuthorZhang, Y., AuthorZhang, Yi, AuthorZhang, Ying, AuthorZhaxisangzhu, AuthorZhou, X. X., Author more..

Affiliations:
1The Tibet ASgamma ollaboration, ou_persistent22
2Computational Relativistic Astrophysics, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_2541714

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Free keywords: Astrophysics, High Energy Astrophysical Phenomena, astro-ph.HE

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 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 photon-like events with $E>100$ TeV
against 5.5 background events, which corresponds to 5.6$\sigma$ statistical
significance. This is the first detection of photons with $E>100$ TeV from an
astrophysical source.

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Dates: Created: 2019-06-13

Publication Status: Not specified

Pages: April 4, 2019; Submitted to the Physical Review Letters

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Identifiers: arXiv: 1906.05521
URI: http://arxiv.org/abs/1906.05521

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