The monitor consisted of 2 collimated argon proportional counters.
2.
A Helium-3 ( He-3 ) filled proportional counter is the most common epithermal and thermal neutron detector.
3.
The HPGSPC was also a gas scintillation proportional counter, operating at a high ( 5 atmospheres ) pressure.
4.
Proportional counters use a geometry with a thin positively charged anode wire in the center of a cylindrical chamber.
5.
It consisted of two slot collimators and a proportional counter, which were used to study the spectra of incident x-rays.
6.
At each point the transmitted X-rays are recorded with a detector such as a proportional counter or an avalanche photodiode.
7.
"' Sealed gas detectors "'are similar to the gas flow proportional counter, except that the gas does not flow through it.
8.
However, for discrimination between alpha and beta particles or provision of particle energy information, scintillation counters or proportional counters should be used.
9.
In the case of proportional counters, multiple creation of ion pairs occurs in the " ion drift " region near the cathode.
10.
The MECS contained three identical gas scintillation proportional counters operating in the 1.3 to 10 keV ( 208 to 1602 aJ ) range.
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