基于宇宙射线月影的 LHAASO-KM2A 能量标定
高能天体物理现象
2026-01-08 v2 天体物理仪器与方法
摘要
我们报告了使用 LHAASO 吝粮平方阵列（KM2A）收集的三年半宇宙射线数据，对月影的西向、刚性依赖性位移进行了精确测量。这些测量结果使我们能够对 20-260 TeV 能量范围内的探测器能量响应进行标定，结果表明其与 KM2A 探测器的蒙特卡洛（MC）模拟结果高度吻合。我们还测得最佳拟合参数 ，对应于能量尺度估计的 95% 置信区间为 [-14%, +17%]。这一结果确立了 KM2A-MC 在该能量范围内模拟探测器响应的卓越准确性。
引用
@article{arxiv.2510.12649,
title = {Energy calibration of LHAASO-KM2A using the cosmic ray Moon shadow},
author = {Zhen Cao and F. Aharonian and Y. X. Bai and Y. W. Bao and D. Bastieri and X. J. Bi and Y. J. Bi and W. Bian and J. Blunier and A. V. Bukevich and C. M. Cai and Y. Y. Cai and W. Y. Cao and Zhe Cao and J. Chang and J. F. Chang and E. S. Chen and G. H. Chen and H. K. Chen and L. F. Chen and Liang Chen and Long Chen and M. J. Chen and M. L. Chen and Q. H. Chen and S. Chen and S. H. Chen and S. Z. Chen and T. L. Chen and X. B. Chen and X. J. Chen and X. P. Chen and Y. Chen and N. Cheng and Q. Y. Cheng and Y. D. Cheng and M. Y. Cui and S. W. Cui and X. H. Cui and Y. D. Cui and B. Z. Dai and H. L. Dai and Z. G. Dai and Danzengluobu and Y. X. Diao and A. J. Dong and X. Q. Dong and K. K. Duan and J. H. Fan and Y. Z. Fan and J. Fang and J. H. Fang and K. Fang and C. F. Feng and H. Feng and L. Feng and S. H. Feng and X. T. Feng and Y. Feng and Y. L. Feng and S. Gabici and B. Gao and Q. Gao and W. Gao and W. K. Gao and M. M. Ge and T. T. Ge and L. S. Geng and G. Giacinti and G. H. Gong and Q. B. Gou and M. H. Gu and F. L. Guo and J. Guo and K. J. Guo and X. L. Guo and Y. Q. Guo and Y. Y. Guo and R. P. Han and O. A. Hannuksela and M. Hasan and H. H. He and H. N. He and J. Y. He and X. Y. He and Y. He and S. Hernández-Cadena and B. W. Hou and C. Hou and X. Hou and H. B. Hu and S. C. Hu and C. Huang and D. H. Huang and J. J. Huang and X. L. Huang and X. T. Huang and X. Y. Huang and Y. Huang and Y. Y. Huang and A. Inventar and X. L. Ji and H. Y. Jia and K. Jia and H. B. Jiang and K. Jiang and X. W. Jiang and Z. J. Jiang and M. Jin and S. Kaci and M. M. Kang and I. Karpikov and D. Khangulyan and D. Kuleshov and K. Kurinov and Cheng Li and Cong Li and D. Li and F. Li and H. B. Li and H. C. Li and Jian Li and Jie Li and K. Li and L. Li and R. L. Li and S. D. Li and T. Y. Li and W. L. Li and X. R. Li and Xin Li and Y. Li and Zhe Li and Zhuo Li and E. W. Liang and Y. F. Liang and S. J. Lin and B. Liu and C. Liu and D. Liu and D. B. Liu and H. Liu and J. Liu and J. L. Liu and J. R. Liu and M. Y. Liu and R. Y. Liu and S. M. Liu and W. Liu and X. Liu and Y. Liu and Y. Liu and Y. N. Liu and Y. Q. Lou and Q. Luo and Y. Luo and H. K. Lv and B. Q. Ma and L. L. Ma and X. H. Ma and I. O. Maliy and J. R. Mao and Z. Min and W. Mitthumsiri and Y. Mizuno and G. B. Mou and A. Neronov and K. C. Y. Ng and M. Y. Ni and L. Nie and L. J. Ou and Z. W. Ou and P. Pattarakijwanich and Z. Y. Pei and D. Y. Peng and J. C. Qi and M. Y. Qi and J. J. Qin and D. Qu and A. Raza and C. Y. Ren and D. Ruffolo and A. Sáiz and D. Savchenko and D. Semikoz and L. Shao and O. Shchegolev and Y. Z. Shen and X. D. Sheng and Z. D. Shi and F. W. Shu and H. C. Song and Yu. V. Stenkin and V. Stepanov and Y. Su and D. X. Sun and H. Sun and J. X. Sun and Q. N. Sun and X. N. Sun and Z. B. Sun and N. H. Tabasam and J. Takata and P. H. T. Tam and H. B. Tan and Q. W. Tang and R. Tang and Z. B. Tang and W. W. Tian and C. N. Tong and L. H. Wan and C. Wang and D. H. Wang and G. W. Wang and H. G. Wang and J. C. Wang and K. Wang and Kai Wang and Kai Wang and L. P. Wang and L. Y. Wang and L. Y. Wang and R. Wang and W. Wang and X. G. Wang and X. J. Wang and X. Y. Wang and Y. Wang and Y. D. Wang and Z. H. Wang and Z. X. Wang and Zheng Wang and D. M. Wei and J. J. Wei and Y. J. Wei and T. Wen and S. S. Weng and C. Y. Wu and H. R. Wu and Q. W. Wu and S. Wu and X. F. Wu and Y. S. Wu and S. Q. Xi and J. Xia and J. J. Xia and G. M. Xiang and D. X. Xiao and G. Xiao and Y. F. Xiao and Y. L. Xin and H. D. Xing and Y. Xing and D. R. Xiong and B. N. Xu and C. Y. Xu and D. L. Xu and R. F. Xu and R. X. Xu and S. S. Xu and W. L. Xu and L. Xue and D. H. Yan and T. Yan and C. W. Yang and C. Y. Yang and F. F. Yang and L. L. Yang and M. J. Yang and R. Z. Yang and W. X. Yang and Z. H. Yang and Z. G. Yao and X. A. Ye and L. Q. Yin and N. Yin and X. H. You and Z. Y. You and Q. Yuan and H. Yue and H. D. Zeng and T. X. Zeng and W. Zeng and X. T. Zeng and M. Zha and B. B. Zhang and B. T. Zhang and C. Zhang and H. Zhang and H. M. Zhang and H. Y. Zhang and J. L. Zhang and J. Y. Zhang and Li Zhang and P. F. Zhang and R. Zhang and S. R. Zhang and S. S. Zhang and S. Y. Zhang and W. Zhang and W. Y. Zhang and X. Zhang and X. P. Zhang and Yi Zhang and Yong Zhang and Z. P. Zhang and J. Zhao and L. Zhao and L. Z. Zhao and S. P. Zhao and X. H. Zhao and Z. H. Zhao and F. Zheng and T. C. Zheng and B. Zhou and H. Zhou and J. N. Zhou and M. Zhou and P. Zhou and R. Zhou and X. X. Zhou and X. X. Zhou and B. Y. Zhu and C. G. Zhu and F. R. Zhu and H. Zhu and K. J. Zhu and Y. C. Zou and X. Zuo and Faisal Akram},
journal= {arXiv preprint arXiv:2510.12649},
year = {2026}
}
备注
12 pages, 13 figures, 2 tables