annihilation radiation — noun : radiation produced by the mutually annihilating coalescence of an electron and a positron from which two radiation quanta travel in opposite directions with a wavelength corresponding to that of very short gamma rays, being approximately 0 … Useful english dictionary
annihilation radiation — anihiliacijos spinduliavimas statusas T sritis fizika atitikmenys: angl. annihilation radiation vok. Annihilationsstrahlung, f; Vernichtungsstrahlung, f rus. аннигиляционное излучение, n; излучение аннигиляции, n pranc. rayonnement d’annihilation … Fizikos terminų žodynas
annihilation radiation — radiation produced by the collision and annihilation of a particle and its antiparticle, especially the two 0.511 MeV gamma ray photons produced by the annihilation of a positron and an electron … Medical dictionary
annihilation radiation — Physics. electromagnetic radiation produced by the coalescence and mutual annihilation of a positron and an electron, each pair forming two photons having a minimum energy of 0.5 million electron volts each. [1960 65] * * * … Universalium
annihilation radiation — /ənaɪəˌleɪʃən reɪdiˈeɪʃən/ (say uhnuyuh.layshuhn raydee ayshuhn) noun the radiation produced when a particle and an antiparticle, such as an electron and a positron, interact and disappear with a resultant release of energy …
Radiation protection — Radiation protection, sometimes known as radiological protection, is the science of protecting people and the environment from the harmful effects of ionizing radiation, which includes both particle radiation and high energy electromagnetic… … 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
annihilation — /euh nuy euh lay sheuhn/, n. 1. the act or an instance of annihilating. 2. the state of being annihilated; extinction; destruction. 3. Physics. a. Also called pair annihilation. the process in which a particle and antiparticle unite, annihilate… … Universalium
radiation — 1. The act or condition of diverging in all directions from a center. 2. The sending forth of light, short radio waves, ultraviolet or x rays, or any other rays for treatment or diagnosis or for other purpose. Cf.:irradiation (2). 3. SYN:… … Medical dictionary
annihilation — n. 1 the act or process of annihilating. 2 Physics the conversion of a particle and an antiparticle into radiation. Etymology: F annihilation or LL annihilatio (as ANNIHILATE) … Useful english dictionary
