Determination of the Interaction Potential and Rovibrational Structure of the Ground Electronic State of MgAr+ Using PFI-ZEKE Photoelectron Spectroscopy

The interaction potential characterizing the ground electronic state of MgAr+ has been determined from the photoelectron spectrum recorded from the a 3Π0 metastable state of MgAr at high resolution by pulsed-field-ionization zero-kinetic-energy (PFI-ZEKE) photoelectron spectroscopy. The photoelectro...

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Published inThe journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory Vol. 124; no. 2; pp. 379 - 385
Main Authors Wehrli, Dominik, Génévriez, Matthieu, Kreis, Carla, Agner, Josef A, Merkt, Frédéric
Format Journal Article
LanguageEnglish
Published United States American Chemical Society 16.01.2020
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ISSN1089-5639
1520-5215
1520-5215
DOI10.1021/acs.jpca.9b10435

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Summary:The interaction potential characterizing the ground electronic state of MgAr+ has been determined from the photoelectron spectrum recorded from the a 3Π0 metastable state of MgAr at high resolution by pulsed-field-ionization zero-kinetic-energy (PFI-ZEKE) photoelectron spectroscopy. The photoelectron spectrum provides information on the first ten vibrational levels of MgAr+ and leads to the determination of the adiabatic ionization energy of metastable MgAr (38 742.3(20) cm–1), the ground state dissociation energy of MgAr+ (1254(60) cm–1), and to the characterization of the rovibrational photoionization dynamics of MgAr.
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ISSN:1089-5639
1520-5215
1520-5215
DOI:10.1021/acs.jpca.9b10435