Search for exotic spin-dependent interactions with a spin-based amplifier
arXiv:2103.15282 · doi:10.1126/sciadv.abi9535
Abstract
Development of new techniques to search for particles beyond the standard model is crucial for understanding the ultraviolet completion of particle physics. Several hypothetical particles are predicted to mediate exotic spin-dependent interactions between particles of the standard model that may be accessible to laboratory experiments. However, laboratory searches are mostly conducted for static spin-dependent interactions, with only a few experiments so far addressing spin- and velocity-dependent interactions. Here, we demonstrate a search for exotic spin- and velocity-dependent interactions with a spin-based amplifier. Our technique makes use of hyperpolarized nuclear spins as a pre-amplifier to enhance the effect of pseudo-magnetic field produced by exotic interactions by an amplification factor of > 100. Using such a spin-based amplifier, we establish constraints on the spin- and velocity-dependent interactions between polarized and unpolarized nucleons in the force range of 0.03-100 m. Our limits represent at least two orders of magnitude improvement compared to previous experiments. The established technique can be further extended to investigate other exotic spin-dependent interactions.
7 pages, 4 figures
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- Stable Atomic Magnetometer in Parity-Time Symmetry Broken Phase
- PT-symmetric feedback induced linewidth narrowing
- Adaptive cold-atom magnetometry mitigating the trade-off between sensitivity and dynamic range
- Searches for exotic spin-dependent interactions with spin sensors
- Proposal for the search for new spin interactions at the micrometer scale using diamond quantum sensors
- Using Earth to Search for Long-Range Spin-Velocity Interactions
- Dissecting axion and dark photon with a network of vector sensors
- Searching for Exotic Spin-Dependent Interactions Using Rotationally Modulated Source Masses and an Atomic Magnetometer Array
- Constraints on Velocity and Spin Dependent Exotic Interaction at the Millimeter Scale with a Diamagnetic-levitated Force Sensor
- Axion-Like Particle Detection in Alkali-Noble-Gas Haloscopes
- Testing the Fifth Force on Lepton Spins through Neutrino Oscillations
- Induced Circular Polarization on Photons Due to Interaction with Axion-Like Particles in Rotating Magnetic Field of Neutron Stars
- Constraints on Axion Dark Matter by Spin-Dependent Macroscopic Force