negatively charged lepton

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• Tau lepton — Infobox Particle bgcolour = name = Tau Lepton caption = num types = composition = Elementary particle family = Fermion group = Lepton generation = Third interaction = Gravity, Electromagnetic, Weak antiparticle = Antitauon theorized = discovered …   Wikipedia

• tau particle — n. Particle Physics an unstable, negatively charged lepton with a mass of c. 1,777 MeV/c2 (or c. 3,490 times that of an electron) and a mean lifetime of 2.2 ×10 13 second: also called tau lepton or tauon [tou′än΄] * * * …   Universalium

• tau particle — n. Particle Physics an unstable, negatively charged lepton with a mass of c. 1,777 MeV/c2 (or c. 3,490 times that of an electron) and a mean lifetime of 2.2 ×10 13 second: also called tau lepton or tauon [tou′än΄] …   English World dictionary

• tauon — /ˈtaʊɒn/ (say towon) noun a negatively charged lepton with a mass approximately 3500 times greater than that of an electron. Also, tau particle. {tau1 + on (def. 1) …  

• muon — [myo͞o′än΄] n. [ MU + (MES)ON] Particle Physics an unstable, negatively charged lepton with a mass of 105.7 MeV, c. 207 times that of an electron, and a mean lifetime of 2.2×10 6 second: it decays into an electron, a neutrino, and an antineutrino …   English World dictionary

• 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

• Electron — For other uses, see Electron (disambiguation). Electron Experiments with a Crookes tube first demonstrated the particle nature of electrons. In this illustration, the profile of the cross shaped target is projected against the tube face at right… …   Wikipedia

• Nobel Prizes — ▪ 2009 Introduction Prize for Peace       The 2008 Nobel Prize for Peace was awarded to Martti Ahtisaari, former president (1994–2000) of Finland, for his work over more than 30 years in settling international disputes, many involving ethnic,… …   Universalium

• physics — /fiz iks/, n. (used with a sing. v.) the science that deals with matter, energy, motion, and force. [1580 90; see PHYSIC, ICS] * * * I Science that deals with the structure of matter and the interactions between the fundamental constituents of… …   Universalium

• atom — /at euhm/, n. 1. Physics. a. the smallest component of an element having the chemical properties of the element, consisting of a nucleus containing combinations of neutrons and protons and one or more electrons bound to the nucleus by electrical… …   Universalium

• Electric charge — SI symbol: Q SI quantity dimension: Q SI unit: coulomb other units: e Derivations from other quantities: Q = I · …   Wikipedia