Ionization chamber

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  • Ionization Chamber
definition
  • A IONIZATION CHAMBER is an apparatus used to study the production of ions in the atmosphere by cosmic ray and radioactive bombardment of air molecules; it is an airtight container usually cylindrical and has an insulated electrode in the center of the chamber; ions produced are collected by the electrode and measured by an electrometer.
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Abstract from DBPedia
    The ionization chamber is the simplest type of gas-filled radiation detector, and is widely used for the detection and measurement of certain types of ionizing radiation, including X-rays, gamma rays, and beta particles. Conventionally, the term "ionization chamber" refers exclusively to those detectors which collect all the charges created by direct ionization within the gas through the application of an electric field. It only uses the discrete charges created by each interaction between the incident radiation and the gas. Gaseous ionization detectors include ionization chambers and devices that use gas multiplication, namely the proportional counter and the Geiger counter. Ion chambers have a good uniform response to radiation over a wide range of energies and are the preferred means of measuring high levels of gamma radiation. They are widely used in the nuclear power industry, research labs, radiography, radiobiology, and environmental monitoring.

    電離箱は、主に電離放射線の検知または測定のために使用される装置である。

    (Source: http://dbpedia.org/resource/Ionization_chamber)