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Old Jan 5th 2011, 10:15 PM   #1
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activity equation calculation

hello...i have this equation

A = (N/S) / (epsilon r/rough r)

i have to used gamma spectrometer and to calculate A, i have to use this equation...
but i donno whats is epsilon and also rough..please someone help me..
i know N is the count and s is the time (second)..
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Old May 11th 2013, 07:45 AM   #2
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Originally Posted by lynn View Post
hello...i have this equation

A = (N/S) / (epsilon r/rough r)

i have to used gamma spectrometer and to calculate A, i have to use this equation...
but i donno whats is epsilon and also rough..please someone help me..
i know N is the count and s is the time (second)..
I need to understand the experiment better .. looks like you measured a count rate per second, and then made a correction of some sort. More details please?
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