KASCADE-Grande 对 100 TeV 至 1 EeV 间各向同性弥散伽马射线流强的上限
高能天体物理现象
2017-10-10 v1
摘要
KASCADE 和 KASCADE-Grande 是用于测量超高能宇宙线单个空气簇射的多探测器装置。基于 KASCADE 和 KASCADE-Grande 测量的数据集，确定了在 eV 能量范围内原初宇宙线流强中伽马射线流强的 90% 置信水平上限。该分析通过选择缪子含量较低的空气簇射来进行，这与高能原子核引发的簇射相比，符合伽马射线引发簇射的预期。伽马射线占宇宙线总流强比例的最佳上限在 eV 处获得，为 。转换为绝对伽马射线流强后，这对一些基础天体物理模型构成了限制，例如至少一个 IceCube 中微子超量模型的源距离。
引用
@article{arxiv.1710.02889,
title = {KASCADE-Grande Limits on the Isotropic Diffuse Gamma-Ray Flux between 100 TeV and 1 EeV},
author = {Grande Collaboration and W. D. Apel and J. C. Arteaga-Velázquez and K. Bekk and M. Bertaina and J. Blümer and H. Bozdog and I. M. Brancus and E. Cantoni and A. Chiavassa and F. Cossavella and K. Daumiller and V. de Souza and F. Di Pierro and P. Doll and R. Engel and Z. Feng and D. Fuhrmann and A. Gherghel-Lascu and H. J. Gils and R. Glasstetter and C. Grupen and A. Haungs and D. Heck and J. R. Hörandel and T. Huege and K. -H. Kampert and D. Kang and H. O. Klages and K. Link and P. Łuczak and H. J. Mathes and H. J. Mayer and J. Milke and B. Mitrica and C. Morello and J. Oehlschläger and S. Ostapchenko and T. Pierog and H. Rebel and M. Roth and H. Schieler and S. Schoo and F. G. Schröder and O. Sima and G. Toma and G. C. Trinchero and H. Ulrich and A. Weindl and J. Wochele and J. Zabierowski},
journal= {arXiv preprint arXiv:1710.02889},
year = {2017}
}
备注
Published in The Astrophysical Journal, Volume 848, Number 1. Posted on: October 5, 2017