On 8/3/11 12:14 PM, J. Forster wrote:
Hi Brooke,
Maybe. The photon counting gear is pretty trivial. You'd need:
A scintillator
A PMT (Photo Multiplier Tube) and HV stable HV PS.
A preamp
A SCA (Single Channel Analyzer). These can be built.
A counter, stable time base, and data recorder
The main difficulty, IMO, would be getting a sufficient sized lump of the
material. Chunks of Cs don't grow on trees, at least not where I live.
Does it have to be Cs? United Nuclear sells a wide variety of
calibration sources for <$100. Yes, they have Cs137 (10 microCuries)...
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