Apparent Weight of Photons
R. V. PoundLyman Laboratory of Physics, Harvard University, Cambridge, MassachusettsG. A. RebkaLyman Laboratory of Physics, Harvard University, Cambridge, Massachusetts
1960en
ABI
Abstract
As we proposed a few months ago, ' we have now measured the effect, originally hypothesized by Einstein, ' of gravitational potential on the ap- parent frequency of electromagnetic radiation by using the sharply defined energy of recoil-free y rays emitted and absorbed in solids, as dis-
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Cited by 30 references