Fizikos terminų žodynas : lietuvių, anglų, prancūzų, vokiečių ir rusų kalbomis. – Vilnius : Mokslo ir enciklopedijų leidybos institutas. Vilius Palenskis, Vytautas Valiukėnas, Valerijonas Žalkauskas, Pranas Juozas Žilinskas. 2007.
Particle image velocimetry — (PIV) is an optical method used to measure velocities and related properties in fluids. The fluid is seeded with particles which, for the purposes of PIV, are generally assumed to faithfully follow the flow dynamics. It is the motion of these… … Wikipedia
Particle physics in cosmology — Particle physics, which deals with the interactions of elementary particles at high energies, is an important component of cosmological models of the early universe, when the universe was dominated by radiation and its average energy density was… … Wikipedia
Pair production — Pair pro*duc tion (Physics) The simultaneous creation of a particle and its antiparticle, such as an electron and positron, from a photon; usually due to its interaction with the strong field near a nucleus. [PJC] … The Collaborative International Dictionary of English
Pair production — Light–matter interaction Low energy phenomena … Wikipedia
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
pair production — Physics. the simultaneous creation of a particle and its antiparticle by a nucleus or particle in an excited state, as when a photon is absorbed. [1930 35] * * * Formation of an electron and a positron from high energy electromagnetic radiation… … Universalium
Particle shower — In particle physics, a shower is a cascade of secondary particles produced as the result of a high energy particle interacting with dense matter. The incoming particle interacts, producing multiple new particles with lesser energy; each of these… … Wikipedia
Pair-conversion — A pair conversion instrument detects high energy gamma rays by providing an environment generally a thin foil of dense metal, commonly tungsten in which they tend to generate electron positron pairs, and then using standard particle physics… … Wikipedia
pair production — /ˈpɛə prədʌkʃən/ (say pair pruhdukshuhn) noun 1. the simultaneous creation of a positron and an electron as the result of the interaction between a high energy photon or particle and the field of an atomic nucleus. 2. the simultaneous creation of …
Virtual particle — In physics, a virtual particle is a particle that exists for a limited time and space, introducing uncertainty in their energy and momentum due to the Heisenberg Uncertainty Principle. (Indeed, because energy and momentum in quantum mechanics are … Wikipedia
