- particle radioactivity
- радиоактивность частицы
English-Russian small dictionary of medicine. 2015.
particle radioactivity
Смотреть что такое "particle radioactivity" в других словарях:
Particle radiation — is the radiation of energy by means of fast moving subatomic particles. Particle radiation is referred to as a particle beam if the particles are all moving in the same direction, similar to a light beam.Due to the wave particle duality, all… … Wikipedia
Radioactivity in biological research — Radioactivity can be used in life sciences as a radiolabel to easily visualise components or target molecules in a biological system. Radionuclei are synthesised in particle accelerators and have short half lives, giving them high maximum… … Wikipedia
radioactivity — /ray dee oh ak tiv i tee/, n. Physics, Chem. the phenomenon, exhibited by and being a property of certain elements, of spontaneously emitting radiation resulting from changes in the nuclei of atoms of the element. Also called activity. [1895… … Universalium
Particle accelerator — Atom smasher redirects here. For other uses, see Atom smasher (disambiguation). A 1960s single stage 2 MeV linear Van de Graaff accelerator, here opened for maintenance A particle accelerator[1] is a device that uses electromagnetic fields to… … Wikipedia
particle accelerator — accelerator (def. 7). [1945 50] * * * Device that accelerates a beam of fast moving, electrically charged atoms (ions) or subatomic particles. Accelerators are used to study the structure of atomic nuclei (see atom) and the nature of subatomic… … Universalium
subatomic particle — or elementary particle Any of various self contained units of matter or energy. Discovery of the electron in 1897 and of the atomic nucleus in 1911 established that the atom is actually a composite of a cloud of electrons surrounding a tiny but… … Universalium
W particle — Physics. either of two types of charged intermediate vector bosons, one having a positive charge and the other a negative charge. Symbols: W+, W [1970 75; appar. for weak] * * * Electrically charged subatomic particle that transmits the weak… … Universalium
Z particle — n. Particle Physics the electrically neutral weakon with a mass of 91.2 GeV/c2, which is c. 178,000 times the mass of an electron: see W PARTICLE * * * Electrically neutral carrier of the weak force and the neutral partner of the electrically… … Universalium
Alpha particle — Alpha particles (named after and denoted by the first letter in the Greek alphabet, α) consist of two protons and two neutrons bound together into a particle identical to a helium nucleus; hence, it can be written as He2+ or 42He2+. They are a… … Wikipedia
Zeus (particle detector) — ZEUS is a particle detector that was operation at HERA ( Hadron Elektron Ring Anlage ) in DESY, Hamburg. It began operating together with HERA in 1992 and was functional until HERA was decommissioned in June 2007. Leptons (electrons or positrons) … Wikipedia
Beta particle — Beta particles are high energy, high speed electrons or positrons emitted by certain types of radioactive nuclei such as potassium 40. The beta particles emitted are a form of ionizing radiation also known as beta rays. The production of beta… … Wikipedia
