Difference between revisions of "Decay Constant"
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Decay Constant
</dt>
1. = attenuation
constant.
</dd>
2. (symbol Missing Image:img src="SP7-d_files/lambdasm.gif") A constant relating
the instant rate of radioactive decay of a radioactive
species to the number of atoms N present at a given time t.
Thus,
If No is the number of atoms present at time zero
then
Missing Image:img src="SP7-d_files/76deconst.gif" height="20" width="79"</p>
</dd>
References
This article is based on NASA's Dictionary of Technical Terms for Aerospace Use
