The B²Σ+ - X²Σ+ System of SrF: Precise Spectroscopic Constants from a Combined Fit of Microwave and sub-Doppler Optical Spectra

Wolfgang Ernst; J. O. Schröder

doi:10.1016/0301-0104(83)85123-4

The B²Σ+ - X²Σ+ System of SrF: Precise Spectroscopic Constants from a Combined Fit of Microwave and sub-Doppler Optical Spectra

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Abstract

Doppler-free polarization spectroscopy has been used to measure 295 lines in the (0.0), (1.1) and (2.2) bands of the B 2Σ+-X 2Σ+ system of SrF. These optical data were combined with the results of separate microwave measurements of the X 2Σ+ state in a weighted least-squares fit. It is shown that the accuracy of spectroscopic constants of the B 2Σ+ state is remarkably improved by the reduction of the upper-state—lower-state correlations. A more reliable determination of the vibrational dependence of rotational and spin—rotation parameters became possible.

Original language	English
Pages (from-to)	363-368
Journal	Chemical Physics
Volume	78
Issue number	3
DOIs	https://doi.org/10.1016/0301-0104(83)85123-4
Publication status	Published - 1983
Externally published	Yes

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title = "The B²Σ+ - X²Σ+ System of SrF: Precise Spectroscopic Constants from a Combined Fit of Microwave and sub-Doppler Optical Spectra",

abstract = "Doppler-free polarization spectroscopy has been used to measure 295 lines in the (0.0), (1.1) and (2.2) bands of the B 2Σ+-X 2Σ+ system of SrF. These optical data were combined with the results of separate microwave measurements of the X 2Σ+ state in a weighted least-squares fit. It is shown that the accuracy of spectroscopic constants of the B 2Σ+ state is remarkably improved by the reduction of the upper-state—lower-state correlations. A more reliable determination of the vibrational dependence of rotational and spin—rotation parameters became possible.",

author = "Wolfgang Ernst and Schr{\"o}der, {J. O.}",

note = "Available online 16 January 2002.",

year = "1983",

doi = "10.1016/0301-0104(83)85123-4",

language = "English",

volume = "78",

pages = "363--368",

journal = "Chemical Physics",

issn = "1873-4421",

publisher = "Elsevier B.V.",

number = "3",

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TY - JOUR

T1 - The B²Σ+ - X²Σ+ System of SrF: Precise Spectroscopic Constants from a Combined Fit of Microwave and sub-Doppler Optical Spectra

AU - Ernst, Wolfgang

AU - Schröder, J. O.

N1 - Available online 16 January 2002.

PY - 1983

Y1 - 1983

N2 - Doppler-free polarization spectroscopy has been used to measure 295 lines in the (0.0), (1.1) and (2.2) bands of the B 2Σ+-X 2Σ+ system of SrF. These optical data were combined with the results of separate microwave measurements of the X 2Σ+ state in a weighted least-squares fit. It is shown that the accuracy of spectroscopic constants of the B 2Σ+ state is remarkably improved by the reduction of the upper-state—lower-state correlations. A more reliable determination of the vibrational dependence of rotational and spin—rotation parameters became possible.

AB - Doppler-free polarization spectroscopy has been used to measure 295 lines in the (0.0), (1.1) and (2.2) bands of the B 2Σ+-X 2Σ+ system of SrF. These optical data were combined with the results of separate microwave measurements of the X 2Σ+ state in a weighted least-squares fit. It is shown that the accuracy of spectroscopic constants of the B 2Σ+ state is remarkably improved by the reduction of the upper-state—lower-state correlations. A more reliable determination of the vibrational dependence of rotational and spin—rotation parameters became possible.

U2 - 10.1016/0301-0104(83)85123-4

DO - 10.1016/0301-0104(83)85123-4

M3 - Article

SN - 1873-4421

VL - 78

SP - 363

EP - 368

JO - Chemical Physics

JF - Chemical Physics

IS - 3

ER -

The B²Σ+ - X²Σ+ System of SrF: Precise Spectroscopic Constants from a Combined Fit of Microwave and sub-Doppler Optical Spectra

Abstract

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