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high energy detector
subject			fact

high energy detector	has definition Device for recording the presence of subatomic particles. A typical modem detector consists of an array of electronic sensors connected to a computer, capable of recording the paths of the particles as they fly out from the collision site in a particle accelerator.
	is a kind of instrument
instrument	has operator
artifact	has creator
	has creation date
	has purpose
	has owner
physical object	has location or center of gravity
	has angular momentum
	has mass
	has velocity
	has momentum
	has temperature
	has volume
	has extent
	has material

Kinds of high energy detector :

• Cherenkov detector (2 facts) - Apparatus through which it is possible to observe the existence and velocity of high-speed particles important in experimental nuclear physics and in the study of cosmic radiation. It was originally built to investigate the Cherenkov radiation effect, in which charged particles travel through a medium at a speed greater than that of light in that medium.
• GIS (2 facts) - Gas Imaging Spectrometer (ASCA X-ray satellite).
• scintillation counter (2 facts) - A device used with a photomultiplier tube to detect or count charged particles or gamma rays.
• scintillator (2 facts) - A detector for high-energy photons such as gamma-rays. The impact of a gamma-ray causes a burst of light which can be observed with a PMT.
• spark chamber (2 facts) - A means of detecting high energy particles by the trail of ionizations left as they pass through a chamber containing many charge plates.

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