首次探测到来自天体物理源的百 TeV 以上能量光子
高能天体物理现象
2019-08-06 v1
摘要
我们报道西藏羊八井空气簇射阵列结合地下水切伦科夫型μ子探测器阵列观测到的来自蟹状星云的最高能量光子。基于空气簇射中测得μ子数的判据,我们成功抑制了 99.92% 能量 TeV 的宇宙线背景事件。结果,我们观测到 24 个 TeV 的类光子事件,背景为 5.5 个,对应 5.6 统计显著性。这是首次探测到来自天体物理源的 TeV 光子。
引用
@article{arxiv.1906.05521,
title = {First Detection of Photons with Energy Beyond 100 TeV from an Astrophysical Source},
author = {M. Amenomori and Y. W. Bao and X. J. Bi and D. Chen and T. L. Chen and W. Y. Chen and Xu Chen and Y. Chen and Cirennima and S. W. Cui and Danzengluobu and L. K. Ding and J. H. Fang and K. Fang and C. F. Feng and Zhaoyang Feng and Z. Y. Feng and Qi Gao and Q. B. Gou and Y. Q. Guo and H. H. He and Z. T. He and K. Hibino and N. Hotta and Haibing Hu and H. B. Hu and J. Huang and H. Y. Jia and L. Jiang and H. B. Jin and F. Kajino and K. Kasahara and Y. Katayose and C. Kato and S. Kato and K. Kawata and M. Kozai and Labaciren and G. M. Le and A. F. Li and H. J. Li and W. J. Li and Y. H. Lin and B. Liu and C. Liu and J. S. Liu and M. Y. Liu and Y. -Q. Lou and H. Lu and X. R. Meng and H. Mitsui and K. Munakata and Y. Nakamura and H. Nanjo and M. Nishizawa and M. Ohnishi and I. Ohta and S. Ozawa and X. L. Qian and X. B. Qu and T. Saito and M. Sakata and T. K. Sako and Y. Sengoku and J. Shao and M. Shibata and A. Shiomi and H. Sugimoto and M. Takita and Y. H. Tan and N. Tateyama and S. Torii and H. Tsuchiya and S. Udo and H. Wang and H. R. Wu and L. Xue and K. Yagisawa and Y. Yamamoto and Z. Yang and A. F. Yuan and L. M. Zhai and H. M. Zhang and J. L. Zhang and X. Zhang and X. Y. Zhang and Y. Zhang and Yi Zhang and Ying Zhang and Zhaxisangzhu and X. X. Zhou},
journal= {arXiv preprint arXiv:1906.05521},
year = {2019}
}
备注
April 4, 2019; Submitted to the Physical Review Letters