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Nov 27, 2009
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be'ta decay"



Physics.
a radioactive process in which a beta particle is emitted from the nucleus of an atom, raising the atomic number of the atom by one if the particle is negatively charged, lowering it by one if positively charged.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

Beta CrucisBetadine
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