切伦科夫望远镜阵列探测宇宙学与基础物理的伽马射线传播灵敏度
高能天体物理现象
2021-03-01 v2 宇宙学与河外天体物理
摘要
切伦科夫望远镜阵列（CTA）是新一代地基 射线天文观测台，具备独特能力以解决天体物理、宇宙学和基础物理中重要的开放问题。我们研究了可作为 CTA 关键科学项目一部分、通过对活动星系核（AGN）及其相对论性喷流的模拟观测来探索的若干显著 射线宇宙学领域。利用 CTA 对 AGN 的观测将能够以低于 15% 的统计不确定度测量直至红移 的河外背景光上的 射线吸收，并约束或探测直至至少 0.3pG 的星系际磁场强度的 射线晕。CTA 的河外观测也显示出探测标准模型之外物理的有前景潜力。 射线天文对洛伦兹不变性破坏的最佳限制将被提升至少二到三倍。CTA 还将探测轴子类粒子可能构成相当部分（若非全部）暗物质的参数空间。我们就 CTA 与其他即将建成的设施之间的协同效应作结，这些协同将促进 射线宇宙学的发展。
引用
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journal= {arXiv preprint arXiv:2010.01349},
year = {2021}
}
备注
71 pages (including affiliations and references), 13 figures, 6 tables. Accepted in JCAP; matches published version. Corresponding authors: Jonathan Biteau, Julien Lefaucheur, Humberto Martinez-Huerta, Manuel Meyer, Santiago Pita, Ievgen Vovk