Precision test of mass-ratio variations with lattice-confined ultracold molecules
Permanent link to this recordhttp://hdl.handle.net/20.500.12613/6091
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AbstractWe propose a precision measurement of time variations of the proton-electron mass ratio using ultracold molecules in an optical lattice. Vibrational energy intervals are sensitive to changes of the mass ratio. In contrast to measurements that use hyperfine-interval-based atomic clocks, the scheme discussed here is model independent and does not require separation of time variations of different physical constants. The possibility of applying the zero-differential-Stark-shift optical lattice technique is explored to measure vibrational transitions at high accuracy. © 2008 The American Physical Society.
Citation to related workAmerican Physical Society (APS)
Has partPhysical Review Letters
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