sodium-iodide scintillator

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• Scintillator — Scintillation crystal surrounded by various scintillation detector assemblies …   Wikipedia

• scintillator — A substance that emits visible light when hit by a subatomic particle or x or gamma ray. SEE ALSO: scintillation counter. liquid s. a liquid with the properties of a s., in which the substance whose radioactivity is to be measured can be… …   Medical dictionary

• scintillator — n. a substance that produces a fluorescent flash when struck by high energy radiation, such as beta or gamma rays. In medicine the most commonly used scintillator is a crystal of thallium activated sodium iodide, which forms the basis of a gamma… …   The new mediacal dictionary

• Venera 1 — Infobox Spacecraft Name = Venera 1 Caption = Venera 1 spacecraft Organization = USSR Major Contractors = Mission Type = Fly by of Venus Flyby Date = May 19, 1961 Launch = February 12, 1961 Launch Vehicle = Modified SS 6 (Sapwood) with 2nd… …   Wikipedia

• Scintillation counter — A scintillation counter measures ionizing radiation. The sensor, called a scintillator, consists of a transparent crystal, usually phosphor, plastic (usually containing anthracene), or organic liquid (see liquid scintillation counting) that… …   Wikipedia

• radiation measurement — ▪ technology Introduction       technique for detecting the intensity and characteristics of ionizing radiation, such as alpha, beta, and gamma rays or neutrons, for the purpose of measurement.       The term ionizing radiation refers to those… …   Universalium

• Gamma spectroscopy — The gamma ray spectrum of natural uranium, showing about a dozen discrete lines superimposed on a smooth continuum, allows the identification the nuclides 226Ra, 214Pb, and 214Bi of the uranium decay chain. Gamma ray spectroscopy is the… …   Wikipedia

• Gamma ray spectrometer — A Gamma Ray Spectrometer, or (GRS), is an instrument for measuring the distribution (or spectrum see figure) of the intensity of gamma radiation versus the energy of each photon. Gamma rays are electromagnetic radiation at the short wavelength,… …   Wikipedia

• Lanthanum(III) bromide — Chembox new Name = Lanthanum(III) bromide ImageFile = Lanthanum bromide (space filling) 1.png ImageName = Lanthanum(III) bromide IUPACName = Lanthanum(III) bromide Lanthanum tribromide OtherNames = Section1 = Chembox Identifiers CASNo = 13536 79… …   Wikipedia

• X-ray — [ 22 December 1895 and presented to Professor Ludwig Zehnder of the Physik Institut, University of Freiburg, on 1 January 1896. The dark oval on the third finger is a shadow produced by her ring. [cite book last = Kevles first =Bettyann Holtzmann …   Wikipedia

• Electronic anticoincidence — is a method (and its associated hardware) widely used to suppress unwanted, background events in high energy physics, experimental particle physics, gamma ray spectroscopy, gamma ray astronomy, experimental nuclear physics, and related fields. In …   Wikipedia