positron decay
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positron decay — pozitroninis skilimas statusas T sritis fizika atitikmenys: angl. positron decay vok. Positronenzerfall, m rus. позитронный распад, m pranc. désintégration positogène, f; désintégration positrogène, f … Fizikos terminų žodynas
Decay scheme — The Decay scheme of a radioactive substance is a graphical presentation of all the transitions occurring in a decay, and of their relationships. Decay schemes of radioactive isotopes Decay scheme of 60Co These relations can be quite complicated;… … Wikipedia
Positron emission — is a type of beta decay, sometimes referred to as beta plus ( beta;+). In beta plus decay, a proton is converted, via the weak force, to a neutron, a positron (also known as the beta plus particle , the antimatter counterpart of an electron), and … Wikipedia
Positron emission tomography — (PET) is a nuclear medicine imaging technique which produces a three dimensional image or map of functional processes in the body. The system detects pairs of gamma rays emitted indirectly by a positron emitting radionuclide (tracer), which is… … Wikipedia
Positron Lifetime Spectroscopy — is a technique in material science used for studying the types and concentrations of atomic sized defects in materials. Positron Sources Typically positrons are produced through Beta Decay. A typical source would be 22Na, sodium 22. Positron… … Wikipedia
Positron — Infobox Particle bgcolour = name = Positron (antielectron) caption = num types = composition = Elementary particle family = Fermion group = Lepton generation = First interaction = Gravity, Electromagnetic, Weak antiparticle = Electron theorized … Wikipedia
positron — /poz i tron /, n. Physics. an elementary particle having the same mass and spin as an electron but having a positive charge equal in magnitude to that of the electron s negative charge; the antiparticle of the electron. Also called antielectron,… … Universalium
Decay chain — In nuclear science, the decay chain refers to the radioactive decay of different discrete radioactive decay products as a chained series of transformations. Most radioactive elements do not decay directly to a stable state, but rather undergo a… … Wikipedia
Positron (disambiguation) — For uses of the word positron see: * Positron, the particle * Positron emission, the radioactive decay * Positron (video game), the 1983 video game published by Micro Power * Positron (City of Heroes), the comic/video game character * Positron!… … Wikipedia
Decay energy — Nuclear physics Radioactive decay Nuclear fission Nuclear fusion Classical decays … Wikipedia
