[time-nuts] HP 5071A Electron Multiplier of Cesium Beam Tube
magnus at rubidium.dyndns.org
Tue Sep 8 21:59:58 UTC 2009
J. Forster wrote:
> Is it REALLY a mass spec? After all, it only detects a single ion, like a
> He leak detector. The He units can be tuned for He3 or He4
Well... you need to ionize and then hit the photomultiplier. No fancy
bending magnetic field really needed...
If I end up with a used Cs tube I'll open it up and check. Would be fun.
Need some cesium nutrition... :)
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