Among the various types of the gas filled radiator
detectors the Geiger Murller (GM) types of...
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Among the various types of the gas filled radiatordetectors the Geiger Murller (GM) types of detects are commonlyused in personal contamination detectors. Describe the purpose ofthe quench gas
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SolutionGeigerMueller GM Detectors General The ideal gas would be inert abundantand heavy Argon is in air so it is abundant compared to otherheavy gases like xenon It is a noble gas so it is inert comparedto lets say oxygen or nitrogen Argon is heavy compared to neonor helium which allows for more deposition of energy within thegas This increases the detectors efficiency Since GM detectorsare generally used for detecting gamma or beta radiation the atomicdensity increases the probability of interaction Lastly naturalargon is stable compared to a noble gas like radon which has nostable isotopes Given all of these properties argon is used in GMdetectorsThe essential components of the geigermueller detector are itstwo collecting electrodes the anode and cathode the anode ispositively charged with respect to the cathode In most cases theouter chamber wall serves as the cathode The potential differencebetween the anode and cathode is usually in the 800 to 1200 voltrangeThere are three basic GM detectordesigns Side Window cylindricalEnd WindowPancakeSide Window thinthick walled cylindricalGMA cylinder often 446 stainless steel serves as the cathodewhile a wire usually tungsten running along the central axisserves as the anode The
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