- lepton number
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A quantum number related to the difference between the number of leptons and antileptons in a system
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lepton number
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Lepton number — In high energy physics, the lepton number is the number of leptons minus the number of antileptons.In equation form,::L = n {ell} n {overline{ellso all leptons have assigned a value of +1, antileptons −1, and non leptonic particles 0. Lepton… … Wikipedia
lepton number — Physics. in a process involving elementary particles, the total number of leptons minus the total number of antileptons. [1955 60] * * * … Universalium
lepton number — Physics. in a process involving elementary particles, the total number of leptons minus the total number of antileptons. [1955 60] … Useful english dictionary
conservation of lepton number — Physics. the principle that the total lepton number remains constant in any process involving elementary particles. * * * … Universalium
conservation of lepton number — Physics. the principle that the total lepton number remains constant in any process involving elementary particles … Useful english dictionary
Lepton — Leptons are a family of fundamental subatomic particles, comprising the electron, the muon, and the tauon (or tau particle), as well as their associated neutrinos (electron neutrino, muon neutrino, and tau neutrino). Leptons are spin frac|1|2… … Wikipedia
lepton — lepton1 /lep ton/, n., pl. lepta / teuh/. 1. an aluminum coin of modern Greece, the 100th part of a drachma. 2. a small copper or bronze coin of ancient Greece. [1715 25; < Gk leptón (nómisma) a small (coin), n. use of neut. of leptós small; see… … Universalium
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
lepton — I. noun (plural lepta) Etymology: New Greek, from Greek, a small coin, from neuter of leptos peeled, slender, small, from lepein to peel more at leper Date: circa 1741 a former monetary unit equal to 1/100 drachma II. noun Etymology: Greek leptos … New Collegiate Dictionary
lepton — n. any of a number of subatomic particles that have very little mass … English contemporary dictionary
