Search for monopole-dipole interactions at the sub-millimeter range with a ${}^{129}$Xe-${}^{131}$Xe-Rb comagnetometer

Abstract

Monopole-dipole interactions involving scalar couplings between a spin and a massive particle violate both P- and T-symmetry, and can be mediated by axions. We use a ${}^{129}$Xe-${}^{131}$Xe-Rb atomic cell comagnetometer to measure the ratio of precession frequencies between the two xenon isotopes, and search for changes of the ratio correlated with the distance between the atomic cell and a non-magnetic bismuth germanate (BGO) crystal. A modulated Rb polarization scheme is used to suppress systematic effects by two orders of magnitude. The null results of this search improve the upper limit on the coupling strength $g_s^N{g}_p^n$ over the interaction range 0.11 - 0.55 mm, and by a maximum improvement factor of 30 at 0.24 mm. The corresponding propagator mass range of this new excluded region covers 0.36 - 1.80 meV.

Accepted by Physical Review Letters

References in corpus (7)

• Resonant detection of axion mediated forces with Nuclear Magnetic Resonance
• Spin-Dependent Macroscopic Forces from New Particle Exchange
• Limits on a CP-violating scalar axion-nucleon interaction
• ${}^3$He-${}^{129}$Xe Comagnetometery using ${}^{87}$Rb Detection and Decoupling
• New classes of systematic effects in gas spin co-magnetometers
• Laboratory Search for Spin-dependent Short-range Force from Axion-Like-Particles using Optically Polarized 3He gas
• Herriott-Cavity-Assisted Closed-Loop Xe Isotope Comagnetometer

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• Constraining CP violating nucleon-nucleon long range interactions in diatomic eEDM searches
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