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Communication: Heavy-Rydberg states of HD and the electron affinity of the deuterium atom
The Journal of Chemical Physics ( IF 3.1 ) Pub Date : 2018-07-18 , DOI: 10.1063/1.5043186
Maximilian Beyer 1 , Frédéric Merkt 1
Affiliation  

The electron affinity of the deuterium atom has been determined to be 6086.81(27) cm−1 from a measurement of the difference between the D+ + H and H+ + D ion-pair dissociation energies and a thermochemical cycle involving the electron affinity of H and the ionization energies of H and D. Heavy-Rydberg states and the ion-pair dissociation thresholds of HD were accessed with good efficiency using a three-photon excitation sequence through the B Σu+1 (v = 22, N = 1) and H¯Σg+1 (v = 9, N = 0) intermediate levels and the threshold positions were determined using the method of threshold-ion-pair-production spectroscopy.

中文翻译:

通讯:HD的重里德堡状态和氘原子的电子亲和力

氘原子的电子亲和力已被确定为6086.81(27)厘米-1从d之间的差的测量+ + H -和H + + d -离子对离解能和热化学循环中涉及的电子H的亲和力以及H和D的电离能。通过B的三光子激发序列,可以高效访问HD的重里德堡态和离子对解离阈值Σü+1个v= 22,N = 1),H¯ΣG+1个v= 9,N = 0)使用阈值离子对产生光谱法确定中间水平和阈值位置。
更新日期:2018-07-21
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