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Quantum Chemistry

Constraints on long-range spin-gravity and monopole-dipole couplings of the proton

arXiv

Authors: Derek F. Jackson Kimball, Jordan Dudley, Yan Li, Dilan Patel, Julian Valdez

Year

2017

Paper ID

44842

Status

Preprint

Abstract Read

~2 min

Abstract Words

100

Citations

N/A

Abstract

Results of a search for a long-range monopole-dipole coupling between the mass of the Earth and rubidium (Rb) nuclear spins are reported. The experiment simultaneously measures the spin precession frequencies of overlapping ensembles of ⁸⁵Rb and ⁸⁷Rb atoms contained within an evacuated, antirelaxation-coated vapor cell. The nuclear structure of the Rb isotopes makes the experiment particularly sensitive to spin-dependent interactions of the proton. The spin-dependent component of the gravitational energy of the proton in the Earth's field is found to be smaller than 3 times 10^-18 {rm eV}, improving laboratory constraints on long-range monopole-dipole interactions by over three orders of magnitude.

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Results of a search for a long-range monopole-dipole coupling between the mass of the Earth and rubidium (Rb) nuclear spins are reported.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1707.00745 [2] arXiv https://arxiv.org/abs/1707.00745 [3] Publisher https://arxiv.org/abs/1707.00745

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