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In particle physics, a lepton is an elementary particle of half-integer spin (spin 1/2) that does not undergo strong interactions. Two main classes of leptons exist: charged leptons (also known as the electron-like leptons or muons), including the electron, muon, and tauon, and neutral leptons, better known as … 展开
Spin and chirality
Leptons are spin 1/2 particles. The spin-statistics theorem thus implies that they are fermions and thus that they are subject to the 展开Properties of leptons Spin J [ħ] Particle or antiparticle name Symbol Charge Q [e] Lepton flavor number Mass [MeV/c ] Lifetime [s] Le Lμ Lτ 1/2 electron e −1 +1 0 0 0.510998910(13) stable … 展开
• Amsler, C.; et al. (Particle Data Group) (2008). "Review of Particle Physics" (PDF). Physics Letters B. 667 (1): 1. Bibcode: 展开
The first lepton identified was the electron, discovered by J.J. Thomson and his team of British physicists in 1897. Then in 1930, Wolfgang Pauli postulated the electron neutrino to … 展开
The coupling of leptons to all types of gauge boson are flavour-independent: The interaction between leptons and a gauge boson measures the same … 展开
• Koide formula
• List of particles
• Preons – hypothetical particles that were once postulated to be subcomponents of quarks and leptons 展开CC-BY-SA 许可证中的维基百科文本 Lepton number - Wikipedia
In particle physics, lepton number (historically also called lepton charge) is a conserved quantum number representing the difference between the number of leptons and the number of antileptons in an elementary particle reaction. Lepton number is an additive quantum number, so its sum is preserved in interactions (as opposed to multiplicative quantum numbers such as parity, where the product is preserved instead). The lepton number is defined by where
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Leptin - Wikipedia
网页Leptin (from Greek λεπτός leptos, "thin" or "light" or "small"), also known as obese protein[6], is a protein hormone predominantly made by …
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Lepton - Simple English Wikipedia, the free encyclopedia
网页Learn about leptons, elementary particles with spin 1/2 that are not affected by strong nuclear force. Find out the six types of leptons, their properties, and their superparticles.
Lepton epoch - Wikipedia
网页In cosmological models of the Big Bang, the lepton epoch was the period in the evolution of the early universe in which the leptons dominated the mass of the Universe. It started …
Leptons: The elementary particles explained | Space
网页2023年1月20日 · Leptons are a crucial part of the Standard Model of particle physics. Electrons are important components of atoms, while neutrinos flood the universe and are produced by nuclear fusion reactions ...
Leptón - Wikipedia, la enciclopedia libre
网页En física, un leptón es una partícula con espín 1/2 en el caso de los neutrinos y +/- 1/2 en los demás leptones (un fermión) que no experimenta interacción fuerte. 1 Los leptones …
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Lepton | Elementary Particles, Subatomic Particles & Quarks
网页Lepton is a class of subatomic particles that do not interact with the strong force and have electric charge or spin. Learn about the three types of leptons (electron, muon, and tau), …
Lepton - Wikipedia, the free encyclopedia
网页Each lepton has a corresponding antiparticle – these antiparticles are known as antileptons. Leptons are an important part of the Standard Model, especially the electrons which are …
Lepton - New World Encyclopedia
网页In particle physics, a lepton is one of the elementary (or fundamental) particles that are the building blocks of matter. Elementary particles are classified as fermions and bosons, and fermions are subdivided into …
