首次探测到来自银盘的次 PeV 弥漫伽马射线：银河系宇宙线超越 PeV 能量的普遍证据
高能天体物理现象
2021-05-18 v2
摘要
我们首次报道了期待已久的、在银盘中能量介于 100 TeV 与 1 PeV 之间的弥漫伽马射线的探测。特别地，所有高于 398 TeV 的伽马射线均在已知 TeV 伽马射线源之外被观测到，并与强子发射情景的预期相符——在该情景中，伽马射线源自银河系内质子与星际介质相互作用产生的 衰变。这是宇宙线在我们银河系中被加速至超越 PeV 能量并遍布银盘的强有力证据。
引用
@article{arxiv.2104.05181,
title = {First Detection of sub-PeV Diffuse Gamma Rays from the Galactic Disk: Evidence for Ubiquitous Galactic Cosmic Rays beyond PeV Energies},
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 Y. Y. 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 K. Kasahara and Y. Katayose and C. Kato and S. Kato and K. Kawata and W. Kihara and Y. Ko 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 W. Liu and Y. -Q. Lou and H. Lu and X. R. Meng and K. Munakata and H. Nakada and Y. Nakamura and H. Nanjo and M. Nishizawa and M. Ohnishi and T. Ohura and S. Ozawa and X. L. Qian and X. B. Qu and T. Saito and M. Sakata and T. K. Sako and J. Shao and M. Shibata and A. Shiomi and H. Sugimoto and W. Takano 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 Y. Yamamoto and Z. Yang and Y. Yokoe 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 S. P. Zhao and Zhaxisangzhu and X. X. Zhou},
journal= {arXiv preprint arXiv:2104.05181},
year = {2021}
}
备注
Accepted for publication in the Physical Review Letters