News
Antiproton co-discoverer dies Owen Chamberlain, who co-discovered the antiproton with Emilio Segrè in 1955, has died at the age of 85. Chamberlain and Segrè shared the 1959 Nobel Prize for Physics for the discovery of the particle, which has the same mass as the proton, but opposite charge. Postulated by Paul Dirac in 1928, the antiproton is now routinely used in particle-physics experiments.
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