望远镜阵列实验表面探测器观测到的宇宙线能谱
高能天体物理现象
2013-04-12 v3
摘要
望远镜阵列（TA）合作组测量了能量高于1.6×10^(18) eV的超高能宇宙线的能谱。该测量基于TA表面探测器四年的观测数据。能谱在4.6×10^(18) eV处显示一个凹陷，在5.4×10^(19) eV处出现陡化，这与GZK截断的预期一致。我们提出了一种新技术的结果，该技术用于分析超高能宇宙线表面探测器数据，涉及生成撞击TA表面探测器的超高能宇宙线的完整模拟。该过程从使用CORSIKA蒙特卡罗程序进行簇射模拟开始，我们解决了使用“稀疏化”近似引起的问题。这种模拟方法使我们能够准确计算探测器在相关能量下的接收度。
引用
@article{arxiv.1205.5067,
title = {The Cosmic Ray Energy Spectrum Observed with the Surface Detector of the Telescope Array Experiment},
author = {T. Abu-Zayyad and R. Aida and M. Allen and R. Anderson and R. Azuma and E. Barcikowski and J. W. Belz and D. R. Bergman and S. A. Blake and R. Cady and B. G. Cheon and J. Chiba and M. Chikawa and E. J. Cho and W. R. Cho and H. Fujii and T. Fujii and T. Fukuda and M. Fukushima and W. Hanlon and K. Hayashi and Y. Hayashi and N. Hayashida and K. Hibino and K. Hiyama and K. Honda and T. Iguchi and D. Ikeda and K. Ikuta and N. Inoue and T. Ishii and R. Ishimori and D. Ivanov and S. Iwamoto and C. C. H. Jui and K. Kadota and F. Kakimoto and O. Kalashev and T. Kanbe and K. Kasahara and H. Kawai and S. Kawakami and S. Kawana and E. Kido and H. B. Kim and H. K. Kim and J. H. Kim and J. H. Kim and K. Kitamoto and S. Kitamura and Y. Kitamura and K. Kobayashi and Y. Kobayashi and Y. Kondo and K. Kuramoto and V. Kuzmin and Y. J. Kwon and J. Lan and S. I. Lim and S. Machida and K. Martens and T. Matsuda and T. Matsuura and T. Matsuyama and J. N. Matthews and M. Minamino and K. Miyata and Y. Murano and I. Myers and K. Nagasawa and S. Nagataki and T. Nakamura and S. W. Nam and T. Nonaka and S. Ogio and M. Ohnishi and H. Ohoka and K. Oki and D. Oku and T. Okuda and A. Oshima and S. Ozawa and I. H. Park and M. S. Pshirkov and D. C. Rodriguez and S. Y. Roh and G. Rubtsov and D. Ryu and H. Sagawa and N. Sakurai and A. L. Sampson and L. M. Scott and P. D. Shah and F. Shibata and T. Shibata and H. Shimodaira and B. K. Shin and J. I. Shin and T. Shirahama and J. D. Smith and P. Sokolsky and B. T. Stokes and S. R. Stratton and T. A. Stroman and S. Suzuki and Y. Takahashi and M. Takeda and A. Taketa and M. Takita and Y. Tameda and H. Tanaka and K. Tanaka and M. Tanaka and S. B. Thomas and G. B. Thomson and P. Tinyakov and I. Tkachev and H. Tokuno and T. Tomida and S. Troitsky and Y. Tsunesada and K. Tsutsumi and Y. Tsuyuguchi and Y. Uchihori and S. Udo and H. Ukai and G. Vasiloff and Y. Wada and T. Wong and M. Wood and Y. Yamakawa and R. Yamane and H. Yamaoka and K. Yamazaki and J. Yang and Y. Yoneda and S. Yoshida and H. Yoshii and X. Zhou and R. Zollinger and Z. Zundel},
journal= {arXiv preprint arXiv:1205.5067},
year = {2013}
}
备注
Accepted for publication by Astrophysical Journal Letters