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alpha decay
(redirected from Alpha emission)

   Also found in: Encyclopedia, Wikipedia 0.07 sec.

alpha decay

Spontaneous alteration of the nucleus of a radioactive atom, which transmutes the atom from one atomic number to another through the emission of a helium nucleus (known as an alpha particle). As a result, the atomic number decreases by two and the atomic weight decreases by four. See also radioactivity.


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The new K&S alloy, LF-2, demonstrated alpha emissions well below the detection limits of existing measuring equipment and also exhibited higher reliability and a significant improvement in electromigration.
Further, alpha emission does not contribute to particulate levels in the environment.
 
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