Searching for Lorentz Violation in the Ground State of Hydrogen
Robert Bluhm, V. Alan Kostelecky, Neil Russell
Abstract
A theoretical analysis is made of experiments in hydrogen and antihydrogen that test CPT. We show that these experiments also provide sensitive tests of Lorentz symmetry for protons and electrons. Both 1S-2S transitions and Zeeman hyperfine splittings in the ground state are examined. We find that sensitivity to CPT and Lorentz violation at the level of 10-27 GeV is attainable.
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