• Open Access

Laser Cooled YbF Molecules for Measuring the Electron’s Electric Dipole Moment

J. Lim, J. R. Almond, M. A. Trigatzis, J. A. Devlin, N. J. Fitch, B. E. Sauer, M. R. Tarbutt, and E. A. Hinds
Phys. Rev. Lett. 120, 123201 – Published 22 March 2018

Abstract

We demonstrate one-dimensional sub-Doppler laser cooling of a beam of YbF molecules to 100μK. This is a key step towards a measurement of the electron’s electric dipole moment using ultracold molecules. We compare the effectiveness of magnetically assisted and polarization-gradient sub-Doppler cooling mechanisms. We model the experiment and find good agreement with our data.

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  • Received 8 December 2017

DOI:https://doi.org/10.1103/PhysRevLett.120.123201

Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.

Published by the American Physical Society

Physics Subject Headings (PhySH)

Atomic, Molecular & OpticalParticles & Fields

Authors & Affiliations

J. Lim, J. R. Almond, M. A. Trigatzis, J. A. Devlin, N. J. Fitch, B. E. Sauer, M. R. Tarbutt*, and E. A. Hinds

  • Centre for Cold Matter, Blackett Laboratory, Imperial College London, Prince Consort Road, London SW7 2AZ, United Kingdom

  • *m.tarbutt@imperial.ac.uk

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Issue

Vol. 120, Iss. 12 — 23 March 2018

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