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Published January 2019 | Submitted
Journal Article Open

The pure rotational spectrum of YbOH

Abstract

The pure rotational spectrum of YbOH has been recorded and analyzed to produce fine and magnetic hyperfine parameters for the X^2Σ^+(0,0,0) state. These parameters are compared with those determined from the optical study [Melville and Coxon, J. Chem. Phys.115, 6974-6978 (2001)] and with the values for YbF [Dickinson et al.115, 6979-6989 (2001)]. The results support the existence of an unobserved perturbing state near the A^2Π_(1/2) state, similar to that previously found in YbF. The precisely determining parameters lays the foundation for laser cooling YbOH, which will aid in the search for new physics beyond the standard model.

Additional Information

© 2018 Elsevier B.V. Received 2 October 2018, Revised 11 November 2018, Accepted 13 November 2018, Available online 14 November 2018. The research at Arizona State University and Caltech was supported by a grant from the Heising-Simons Foundation (Grant 2018-0681).

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August 19, 2023
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