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This page was last edited on 28 January 2020, at 03:48 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
It detects ionizing radiation such as alpha particles, beta particles, and gamma rays using the ionization effect produced in a Geiger–Müller tube, which gives its name to the instrument. [2] In wide and prominent use as a hand-held radiation survey instrument, it is perhaps one of the world's best-known radiation detection instruments.
In experimental and applied particle physics, nuclear physics, and nuclear engineering, a particle detector, also known as a radiation detector, is a device used to detect, track, and/or identify ionizing particles, such as those produced by nuclear decay, cosmic radiation, or reactions in a particle accelerator. Detectors can measure the ...
Other detector types with improved resolution, low background, and thermal neutron detection are readily available. The relative efficiency of germanium detectors (including other types of detectors) are frequently compared to a standard 3 × 3 sodium iodide detector, representing 100% relative efficiency.
The company is based in Sweetwater, Texas and was founded in 1962 by Don Ludlum (1932-2015) who had previously worked for Eberline, another manufacturer of radiation detectors. [1] Geiger counters manufactured by the company are recognized as a standard reference instrument in the fields of occupational safety where exposure to ionizing ...
This form of detection operates via photoionization, a process where ionizing radiation strikes an atom and releases a free electron. [31] This type of broadband ionizing radiation sensor requires a solar cell, an ammeter , and a visible light filter on top of the solar cell that allows the ionizing radiation to hit the solar cell while ...
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In an ionisation type smoke detector, ambient air is allowed to freely enter the ionization chamber. The chamber contains a small amount of americium-241, which is an emitter of alpha particles which produce a constant ion current. If smoke enters the detector, it disrupts this current because ions strike smoke particles and are neutralized ...
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