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beta decay |
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beta decayThe spontaneous alteration of the nucleus of a radioactive atom, which transmutes the atom from one atomic number to another through the emission of either an electron (beta-minus decay) or a positron (beta-plus decay). In the more commonly occurring of the two, beta-minus decay, the atomic number increases by one (through the decay of a neutron, which converts to a proton emitting an electron and an antineutrino); in the less commonly occurring beta-plus decay, the atomic number decreases by one (the proton converts to a neutron, emitting a positron and a neutrino). The symbol used for the electron in beta-minus decay is β-; the symbol for the positron in beta-plus decay is β+. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| They highlight new results and developments in such topics as neutron electric dipole moment searches, neutron optics and interferometry, Standard Model tests using neutron beta decay, neutron facilities, neutron polarimetry, and nucleon-nucleon interactions. The upshot of each beta decay is an atom with a nucleus that contains one more proton than it did before. During her graduate work at the University of California, Berkeley, she studied x-radiation caused by beta decay, and devised methods used for testing and proving an important theory. |
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