A direct test of E=mc2

Simon Rainville (), James K. Thompson, Edmund G. Myers, John M. Brown, Maynard S. Dewey, Ernest G. Kessler, Richard D. Deslattes, Hans G. Börner, Michael Jentschel, Paolo Mutti and David E. Pritchard
Additional contact information
Simon Rainville: Research Laboratory of Electronics, MIT–Harvard Center for Ultracold Atoms, Massachusetts Institute of Technology
James K. Thompson: Research Laboratory of Electronics, MIT–Harvard Center for Ultracold Atoms, Massachusetts Institute of Technology
Edmund G. Myers: Florida State University
John M. Brown: The Physical and Theoretical Chemistry Laboratory
Maynard S. Dewey: National Institute of Standards and Technology
Ernest G. Kessler: National Institute of Standards and Technology
Richard D. Deslattes: National Institute of Standards and Technology
Hans G. Börner: Institut Laue-Langevin
Michael Jentschel: Institut Laue-Langevin
Paolo Mutti: Institut Laue-Langevin
David E. Pritchard: Research Laboratory of Electronics, MIT–Harvard Center for Ultracold Atoms, Massachusetts Institute of Technology

Nature, 2005, vol. 438, issue 7071, 1096-1097

Abstract: All right now The theory of special relativity is central to modern physics, so if Einstein's iconic E = mc2 were found to be even slightly incorrect, the World Year of Physics would have ended on a sour note. No need to worry, however. A new direct test of the equation confirms its validity with 55 times more accuracy than the best previous effort. The new test combined very accurate measurements of atomic-mass difference and of γ-ray wavelengths to determine the nuclear binding energy for isotopes of silicon and sulphur. The equation holds to a level of at least 0.00004%.

Date: 2005
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DOI: 10.1038/4381096a

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