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Why a Gm counter is not useful for determining absorbed energy in a gas?
Wiki User
∙ 14y ago
The Geiger-Meuller detector operates in avalanche mode, meaning that each ionization interaction results in a full pulse on the detector. Each pulse, then, is not proportional to the energy of the original event, making this not useful for determining absorbed energy. If you want to do that, you need to operate in linear mode. Its not just a case of reducing the operating voltage, as material, gas, and geometry are a factor in deciding which end result is more important.
Wiki User
∙ 14y ago
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