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Two-photon photoassociation spectroscopy of CsYb: ground-state interaction potential and interspecies scattering lengths [dataset] Open Access

We perform two-photon photoassociation spectroscopy of the heteronuclear CsYb molecule to measure the binding energies of near-threshold vibrational levels of the $X~^{2}\Sigma_{1/2}^{+}$ molecular ground state. We report results for $^{133}$Cs$^{170}$Yb, $^{133}$Cs$^{173}$Yb and $^{133}$Cs$^{174}$Yb, in each case determining the energy of several vibrational levels including the least-bound state.We fit an interaction potential based on electronic structure calculations to the binding energies for all three isotopologs and find that the ground-state potential supports 77 vibrational levels. We use the fitted potential to predict the interspecies s-wave scattering lengths for all seven Cs+Yb isotopic mixtures.

Descriptions

Resource type

Dataset

Contributors

Creator: Guttridge, Alexander ¹
Frye, Matthew D. ²
Yang, Baochun ²
Hutson, Jeremy M. ²
Cornish, Simon L ¹

¹ Joint Quantum Centre (JQC) Durham-Newcastle, Department of Physics, Durham University, South Road, Durham, DH1 3LE, United Kingdom
² Joint Quantum Centre (JQC) Durham-Newcastle, Department of Chemistry, Durham University, South Road, Durham, DH1 3LE, United Kingdom

Funder

Engineering and Physical Sciences Research Council

Research methods

Other description

Data files used in the publication "Two-photon photoassociation spectroscopy of CsYb: ground-state interaction potential and interspecies scattering lengths"

Keyword

Photoassociation
Ultracold Collisions
Interatomic & Molecular potentials

Subject

Molecular spectra
Laser cooling

Location

Language

Cited in

Identifier

ark:/32150/r1qz20ss50n
doi:10.15128/r1qz20ss50n

Rights

All rights reserved All rights reserved

Publisher

Durham University

Date Created

File Details

Depositor

A. Guttridge

Date Uploaded

30 May 2018, 16:05:37

Date Modified

27 September 2018, 14:09:40

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Characterization

File format: zip (ZIP Format)

Mime type: application/zip

File size: 460283

Last modified: 2018:09:27 13:13:29+01:00

Filename: Data for Two-photon photoassociation spectroscopy of CsYb.zip

Original checksum: cc70156e011fc64b3624e656591d064e