Precision Measurement of Time-Reversal Symmetry Violation with Laser-Cooled Polyatomic Molecules

Ivan Kozyryev and Nicholas R. Hutzler
Phys. Rev. Lett. 119, 133002 – Published 28 September 2017
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Abstract

Precision searches for time-reversal symmetry violating interactions in polar molecules are extremely sensitive probes of high energy physics beyond the standard model. To extend the reach of these probes into the PeV regime, long coherence times and large count rates are necessary. Recent advances in laser cooling of polar molecules offer one important tool—optical trapping. However, the types of molecules that have been laser cooled so far do not have the highly desirable combination of features for new physics searches, such as the ability to fully polarize and the existence of internal comagnetometer states. We show that by utilizing the internal degrees of freedom present only in molecules with at least three atoms, these features can be attained simultaneously with molecules that have simple structure and are amenable to laser cooling and trapping.

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  • Received 1 June 2017

DOI:https://doi.org/10.1103/PhysRevLett.119.133002

© 2017 American Physical Society

Physics Subject Headings (PhySH)

Atomic, Molecular & Optical

Authors & Affiliations

Ivan Kozyryev1,* and Nicholas R. Hutzler2,1,†

  • 1Department of Physics, Harvard University, Cambridge, Massachusetts 02138, USA
  • 2Division of Physics, Mathematics, and Astronomy, California Institute of Technology, Pasadena, California 91125, USA

  • *ivan@cua.harvard.edu
  • hutzler@caltech.edu

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Issue

Vol. 119, Iss. 13 — 29 September 2017

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