Communication: Heavy-Rydberg states of HD and the electron affinity of the deuterium atom

M. Beyer; F. Merkt

doi:10.1063/1.5043186

Communication: Heavy-Rydberg states of HD and the electron affinity of the deuterium atom

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Abstract

© 2018 Author(s).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.

Original language	English
Article number	031102
Journal	Journal of Chemical Physics
Volume	149
Issue number	3
DOIs	https://doi.org/10.1063/1.5043186
Publication status	Published - 21 Jul 2018
Externally published	Yes

Funding

This work was supported financially by the Swiss National Science Foundation (Project No. 200020-172620) and the European Research Council (ERC) under the European Union's Horizon 2020 research and innovation programme (Advanced Grant No. 743121).

Funders	Funder number
Horizon 2020 Framework Programme	743121
European Research Council

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title = "Communication: Heavy-Rydberg states of HD and the electron affinity of the deuterium atom",

abstract = "{\textcopyright} 2018 Author(s).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.",

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AU - Merkt, F.

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AB - © 2018 Author(s).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.

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JF - Journal of Chemical Physics

IS - 3

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ER -

Communication: Heavy-Rydberg states of HD and the electron affinity of the deuterium atom

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