发表机构
Peter the Great St. Petersburg Polytechnic University; Ioffe Institute（彼得大帝圣彼得堡理工大学; 约费研究所）
机构由 AI 辅助整理，请以论文原文为准。AI 中文总结
本研究分析早期宇宙中原子、分子及其离子的跃迁对CMB谱的畸变潜力，计算了可观测畸变的波长范围，发现最丰富元素的畸变远小于氢的。
AI 中文摘要
近期的测量有望探测到氢原子基态的超精细跃迁对宇宙微波背景（CMB）谱的影响，这引发了一个问题：还有哪些物质可能产生类似的畸变，以及其程度如何。本工作对宇宙中最丰富的原子、分子及其离子产生CMB谱畸变的潜力进行了系统分析，还计算了所考虑的所有跃迁中可能观测到此类畸变的波长范围。最终得出结论：最丰富元素产生的畸变比氢产生的小几个数量级。
英文摘要
In the near future, measurements are expected to detect the influence of the hyperfine transition in the ground state of the hydrogen atom on the cosmic microwave background (CMB) spectrum. This raises the question of what other substances could produce similar distortions and to what extent. This work presents a systematic analysis of the potential for the most abundant atoms, molecules, and their ions to distort the CMB spectrum. In addition, the wavelength ranges for all the transitions considered in which such distortions might be observed have been calculated. As a result, we conclude that the distortions caused by the most abundant elements are orders of magnitude smaller than those produced by hydrogen.
Comments6 pages, 1 figure
Journal refAstronomical and Astrophysical Transactions (2025), Issue Volume 35, Numero 4, pp. 477-482
