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...accelerator will be capable of producing energies up to 22 billion electron-volts and will cost approximately $20,000,000. Preliminary construction has been going on for two years, and the project should be completed by 1959, according to Brooks...
...alien particles is annihilated. The antiproton (P¯ ) enters from the left. It is moving fast at first, but gradually slows down and merges with the nucleus of some unfortunate atom. There it combines with a proton or neutron, and both particles vanish, turning into 1,876 million electron volts of energy. The resulting explosion-extremely violent on the atomic scale-drives off fast-moving fragments that trace the lines of the star...
...energy carried away by each particle can be measured by examining closely the track that it made. In this star, the total energy of the visible particles alone adds up to 1,230 million electron volts. Since only 938 million electron volts can be released by turning a single particle into energy, more than one particle must have been annihilated. Physicists consider this an elegant proof that antiprotons really perform as theorists many years ago predicted that they would...
Anti-Matter. As a result of the new discovery, it is now theoretically possible to create anti-hydrogen. The atoms of ordinary hydrogen have a proton in their centers with a negative electron revolving around it. Anti-hydrogen would have an antiproton and a positron (positive electron). Both these "anti" particles are now available, but since anti-hydrogen cannot live in peace with ordinary matter, it will be hard to create and even harder to preserve for more than a few millionths of a second...
...entirely nondegenerate energy level is already 'closed' if it is occupied by a single electron...