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==The [[Cockcroft and Walton Experiment|Cockcroft/Walton experiment]]==

==The [[Cockcroft and Walton Experiment|Cockcroft/Walton experiment]]==

This experiment is not one of the ones usually cited as validating E=mc².  That was not its goal.  The generally accepted important tests of this equation are the measurements of alpha decay energies, described above.

This experiment is not one usually cited as validating E=mc².  That was not its goal.  The generally accepted important tests of this equation are the measurements of alpha decay energies, described above.

In 1932 English physicist John Cockcroft and Irish physicist Ernest Walton performed the first artificial nuclear transmutation of nuclei, for which they were awarded the 1951 [[Nobel Prize]] in physics.<ref>[https://www.nobelprize.org/nobel_prizes/physics/laureates/1951/cockcroft-lecture.pdf John D. Cockroft ''Experiments on the interaction of high-speed nucleons with atomic nuclei''], Nobel Lecture, Dec 11, 1951</ref>  The award was for ''&quot;their pioneer work on the transmutation of atomic nuclei by artificially accelerated atomic particles.&quot;''<ref>[https://www.nobelprize.org/nobel_prizes/physics/laureates/1951/# Nobel Prize Organization]</ref>  

In 1932 English physicist John Cockcroft and Irish physicist Ernest Walton performed the first artificial nuclear transmutation of nuclei, for which they were awarded the 1951 [[Nobel Prize]] in physics.<ref>[https://www.nobelprize.org/nobel_prizes/physics/laureates/1951/cockcroft-lecture.pdf John D. Cockroft ''Experiments on the interaction of high-speed nucleons with atomic nuclei''], Nobel Lecture, Dec 11, 1951</ref>  The award was for ''&quot;their pioneer work on the transmutation of atomic nuclei by artificially accelerated atomic particles.&quot;''<ref>[https://www.nobelprize.org/nobel_prizes/physics/laureates/1951/# Nobel Prize Organization]</ref>