铵离子同位素分子的精确转动基态频率
Accurate Rotational Rest Frequencies for Ammonium Ion Isotopologues.
作者信息
Doménech José L, Schlemmer Stephan, Asvany Oskar
机构信息
Instituto de Estructura de la Materia (IEM-CSIC), Serrano 123, E28006 Madrid, Spain.
I. Physikalisches Institut, Universität zu Köln, Zülpicher Str. 77, 50937 Köln, Germany.
出版信息
Astrophys J. 2018 Oct 24;866(2). doi: 10.3847/1538-4357/aadf83.
We report rest frequencies for rotational transitions of the deuterated ammonium isotopologues NHD, and , measured in a cryogenic ion trap machine. For the symmetric tops NHD and one and three transitions are detected, respectively, and five transitions are detected for the asymmetric top . While the lowest frequency transition of NHD was already known in the laboratory and space, this work enables the future radio astronomical detection of the two other isotopologues.
我们报告了在低温离子阱装置中测量的氘化铵同位素分子NHD、 和 的转动跃迁的静止频率。对于对称陀螺分子NHD和 ，分别检测到一条和三条跃迁谱线，对于非对称陀螺分子 ，检测到五条跃迁谱线。虽然NHD的最低频率跃迁在实验室和太空中已为人所知，但这项工作使得未来能够通过射电天文学探测到另外两种同位素分子。
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