Journal
JOURNAL OF MOLECULAR SPECTROSCOPY
Volume 338, Issue -, Pages 81-90Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jms.2017.06.007
Keywords
Ytterbium fluoride; Visible spectra; Laser cooling molecules
Funding
- National Science Foundation (CSDM-A) [CHE-1265885]
- STFC
- European Research Council under the European Union's Seventh Framework Programme (FP7)/ERC [320789]
- STFC [ST/N000242/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/N000242/1] Funding Source: researchfish
- Division Of Chemistry
- Direct For Mathematical & Physical Scien [1265885] Funding Source: National Science Foundation
- European Research Council (ERC) [320789] Funding Source: European Research Council (ERC)
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The [557] - X-2 Sigma(+) (v= 0, 1, 2, 3) and the [561]-X-2 Sigma(+) (v= 2) visible electronic transitions of YbF have been recorded at a near-natural linewidth spectral resolution using both supersonically cooled and buffer-gas cooled beams. The (YbF)-Yb-174 isotopologue spectral features were analyzed to produce a new set of spectroscopic parameters for the X-2 Sigma(+)(v= 2), X-2 Sigma(+)(v= 3), [557], and [561] states. This study will facilitate ongoing work to produce ultracold YbF molecules by laser cooling in order to improve measurements of the electron's electric dipole moment. (C) 2017 The Authors. Published by Elsevier Inc.
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