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elevenb
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Homework Statement
Recently I have conducted an experiment using a gamma source (22Na) and a scintillation detector (NaI), at the start of the experiment one of the desired outcomes was to see that the intensity of the source fell off as 1/r^2.
Seeing as the detector is not point like (I am assuming that the source is) , how would I go about correcting/calculating an error from this?
Homework Equations
[tex]\Omega = 2\pi(1- \frac{d}{\sqrt{d^2+a^2}})[/tex]
Where d is the distance from the source and a is the radius of the detector.
3. The Attempt at a Solution
I have worked out the solid angle for each distance from the source: equation given above. How do I turn this into a correction?
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