Limit on Lorentz and CPT Violation of the Neutron Using a Two-Species Noble-Gas Maser
D. Bear, R. E. Stoner, R. L. Walsworth, V. Alan Kostelecky, Charles D. Lane
Abstract
A search for sidereal variations in the frequency difference between co-located 129-Xe and 3-He Zeeman masers sets the most stringent limit to date on leading-order Lorentz and CPT violation involving the neutron, consistent with no effect at the level of 10-31 GeV.
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