tau-minus particle — noun a lepton of very great mass • Syn: ↑tauon • Hypernyms: ↑lepton … Useful english dictionary
Tau-Neutrino — Neutrino Klassifikation Elementarteilchen Fermion Lepton Eigenschaften Ladung neutral Ruheenergie (Elektr. Antineutrino) < 2 … Deutsch Wikipedia
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
tauon — noun a lepton of very great mass • Syn: ↑tau minus particle • Hypernyms: ↑lepton * * * /taw on, tow /, n. Physics. See tau lepton. [TAU + ON1] … Useful english dictionary
electron — lepton lepton n. (Physics) an elementary particle that participates in weak interactions but does not participate in the strong interaction; it has a baryon number of 0. Some known leptons are the {electron}, the {negative muon}, the {tau minus… … The Collaborative International Dictionary of English
lepton — n. (Physics) an elementary particle that participates in weak interactions but does not participate in the strong interaction; it has a baryon number of 0. Some known leptons are the {electron}, the {negative muon}, the {tau minus particle}, and… … The Collaborative International Dictionary of English
negative muon — lepton lepton n. (Physics) an elementary particle that participates in weak interactions but does not participate in the strong interaction; it has a baryon number of 0. Some known leptons are the {electron}, the {negative muon}, the {tau minus… … The Collaborative International Dictionary of English
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
PHYSICS — The material presented in this entry emphasizes those contributions which were important in arriving at verified present day scientific results, rather than those that may have appeared important at the time. Unavoidably it will overlap in parts… … Encyclopedia of Judaism
Weak interaction — Standard model of particle physics … Wikipedia