Optical trapping of SrOH molecules for dark matter and T-violation searches
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We report an optical dipole trap of strontium monohydroxide (SrOH) with 1400(300) trapped molecules. Through optical pumping, we access vibrational states that are proposed for improved probes of the electron’s electric dipole moment (eEDM) and ultralight dark matter (UDM). For each of these states, the lifetime of trapped molecules is measured and found to be consistent with spontaneous radiative decay and blackbody excitation limits, making this platform viable for these eEDM and UDM searches.
Date issued
2026-01-29Department
MIT-Harvard Center for Ultracold AtomsJournal
Physical Review Research
Publisher
American Physical Society (APS)
Citation
Sawaoka, Hiromitsu, Nasir, Abdullah, Lunstad, Annika, Li, Mingda, Mango, Jack et al. 2026. "Optical trapping of SrOH molecules for dark matter and T-violation searches." Physical Review Research, 8 (1).
Version: Final published version