Three- and two-photon absorption in HCL and DCL: Identification of Ω = 3 states and state interaction analysis

Ágúst Kvaran; Huasheng Wang

doi:10.1016/j.jms.2004.07.014

Three- and two-photon absorption in HCL and DCL: Identification of Ω = 3 states and state interaction analysis

Ágúst Kvaran^*, Huasheng Wang

^*Corresponding author for this work

Faculty of Physical Sciences

Research output: Contribution to journal › Article › peer-review

17 Citations (Scopus)

Abstract

High resolution (3 + 1) and (2 + 1)REMPI spectra of HCl and DCl for total current detection at room temperature or TOF mass detection after jet cooling were recorded for the spectral region 89000-89600 cm^-1. Analysis of the (3 + 1)REMPI spectra by use of three-photon absorption modeling allowed, for the first time, identification and characterization of the l( ³Φ₃) states. Consistent anomalies in spectral structures due to transitions to the j(³Σ^-)(0 ⁺) state are interpreted as being due to interactions with the V(¹Σ⁺) ion-pair states. Interaction strengths are evaluated. Simulation analyses and determination of isotope shifts allowed evaluation of vibrational and rotational spectroscopic parameters for the l(³Φ₃) and the j(³Σ^-) (0⁺) states for both molecules.

Original language	English
Pages (from-to)	143-151
Number of pages	9
Journal	Journal of Molecular Spectroscopy
Volume	228
Issue number	1
DOIs	https://doi.org/10.1016/j.jms.2004.07.014
Publication status	Published - Nov 2004

Bibliographical note

Funding Information:
The financial support of the University Research Fund, University of Iceland, and the Icelandic Science Foundation is gratefully acknowledged. We also thank Jón Matthíasson and Oddur Ingólfsson for useful help with the project.

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10.1016/j.jms.2004.07.014

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title = "Three- and two-photon absorption in HCL and DCL: Identification of Ω = 3 states and state interaction analysis",

abstract = "High resolution (3 + 1) and (2 + 1)REMPI spectra of HCl and DCl for total current detection at room temperature or TOF mass detection after jet cooling were recorded for the spectral region 89000-89600 cm-1. Analysis of the (3 + 1)REMPI spectra by use of three-photon absorption modeling allowed, for the first time, identification and characterization of the l( 3Φ3) states. Consistent anomalies in spectral structures due to transitions to the j(3Σ-)(0 +) state are interpreted as being due to interactions with the V(1Σ+) ion-pair states. Interaction strengths are evaluated. Simulation analyses and determination of isotope shifts allowed evaluation of vibrational and rotational spectroscopic parameters for the l(3Φ3) and the j(3Σ-) (0+) states for both molecules.",

author = "{\'A}g{\'u}st Kvaran and Huasheng Wang",

note = "Funding Information: The financial support of the University Research Fund, University of Iceland, and the Icelandic Science Foundation is gratefully acknowledged. We also thank J{\'o}n Matth{\'i}asson and Oddur Ing{\'o}lfsson for useful help with the project.",

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doi = "10.1016/j.jms.2004.07.014",

language = "English",

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T2 - Identification of Ω = 3 states and state interaction analysis

AU - Kvaran, Ágúst

AU - Wang, Huasheng

N1 - Funding Information: The financial support of the University Research Fund, University of Iceland, and the Icelandic Science Foundation is gratefully acknowledged. We also thank Jón Matthíasson and Oddur Ingólfsson for useful help with the project.

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AB - High resolution (3 + 1) and (2 + 1)REMPI spectra of HCl and DCl for total current detection at room temperature or TOF mass detection after jet cooling were recorded for the spectral region 89000-89600 cm-1. Analysis of the (3 + 1)REMPI spectra by use of three-photon absorption modeling allowed, for the first time, identification and characterization of the l( 3Φ3) states. Consistent anomalies in spectral structures due to transitions to the j(3Σ-)(0 +) state are interpreted as being due to interactions with the V(1Σ+) ion-pair states. Interaction strengths are evaluated. Simulation analyses and determination of isotope shifts allowed evaluation of vibrational and rotational spectroscopic parameters for the l(3Φ3) and the j(3Σ-) (0+) states for both molecules.

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Three- and two-photon absorption in HCL and DCL: Identification of Ω = 3 states and state interaction analysis

Abstract

Bibliographical note

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