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Title:THE BENDING MODES OF YbOH PROBED BY VISIBLE SPECTROSCOPY
Author(s):Steimle, Timothy
Contributor(s):Hutzler, Nicholas R; Pilgram, Nickolas ; Mengesha, Ephriem Tadesse; Wang, Hailing
Subject(s):Fundamental interest
Abstract:Ytterbium monofluoride, YbF, has long been used as a venue in attempts to measure the electron electric dipole moment (eEDM)$^{1-2}$ . In addition to the molecular EDM resulting from the eEDM contribution, the $^{173}$Yb (16.1\%, I=5/2) isotopic form of Yb-containing molecules are also expected to have an EDM caused by an interaction of a nuclear magnetic quadrupole moment (NMQM)$^{3}$ with the electrons. As pointed out by Kozyryev and Hutzler$^{4}$, the X$^{2}$$\Sigma$$^{+}$(01$^{1}$0) level of YbOH is expected to exhibit enhanced sensitivity for EDM measurements, relative to YbF, largely due to the ease of polarization. The degenerate bending vibrational levels of YbOH are poorly characterized$^{5}$. Here we report on high-resolution studies of the molecular beam of the A$^{2}$$\Pi$$_{1/2}$- X$^{2}$$\Sigma$$^{+}$ (010-000) and A$^{2}$$\Pi$$_{1/2}$- X$^{2}$$\Sigma$$^{+}$ (010-010) transitions of YbOH. In addition, the dispersed fluorescence resulting from the excitation of rotationally resolved branch features has been analyzed to produce fluorescence branching ratios. Implications for planned EDM measurements will be presented. Funded by a grant from the Heising-Simons Foundation. References: 1.Hudson, J. J.; Sauer, B. E.; Tarbutt, M. R.; Hinds, E. A., Phys. Rev. Lett. 2002, 89 (2), 023003/1-023003/4. 2.Tarbutt, M. R.; Sauer, B. E.; Hudson, J. J.; Hinds, E. A., New J. Phys. 2013, 15 (May), 053034/1-053034/17. 3.Lackenby, B. G. C.; Flambaum, V. V., Nucl. Theory 2017, 1-7. 4.Kozyryev, I.; Hutzler, N. R., arXiv.org, e-Print Arch., Phys. 2017, 1-11. 5.Melville, T. C.; Coxon, J. A., J. Chem. Phys. 2001, 115 (15), 6974-6978.
Issue Date:2019-06-18
Publisher:International Symposium on Molecular Spectroscopy
Genre:Conference Paper / Presentation
Type:Text
Language:English
URI:http://hdl.handle.net/2142/104481
DOI:10.15278/isms.2019.TE08
Rights Information:Copyright 2019 Timothy Steimle
Date Available in IDEALS:2019-07-15
2020-01-25


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