Word: nucleons
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Dates: during 1961-1961
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...Robert Hofstadter, pried farther than ever into the heart of the atomic nucleus. "If our results are correct," said Hofstadter, "we found that the structure of both proton and neutron is much simpler than we expected. They appear to be two different aspects of the same entity-the nucleon. " The composition of the particles, he pointed out, is nearly alike except for the electrical charge. Each is composed of an outer cloud of moving mesons, a denser inner cloud, and an extremely dense, pointlike core. Both cores are no larger than .00000000000002 cm. Both the clouds and core...
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