Dirac neutrino mass

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• Neutrino — For other uses, see Neutrino (disambiguation). Neutrino/Antineutrino The first use of a hydrogen bubble chamber to detect neutrinos, on November 13, 1970. A neutrino hit a proton in a hydrogen atom. The collision occurred at the point where three …   Wikipedia

• Neutrino theory of light — The neutrino theory of light is the proposal that the photon is a composite particle formed of a neutrino antineutrino pair. It is based on the idea that emission and absorption of a photon corresponds to the creation and annihilation of a… …   Wikipedia

• Dirac large numbers hypothesis — Paul Dirac The Dirac large numbers hypothesis (LNH) is an observation made by Paul Dirac in 1937 relating ratios of size scales in the Universe to that of force scales. The ratios constitute very large, dimensionless numbers: some 40 orders of… …   Wikipedia

• Sterile neutrino — Composition Elementary particle Statistics Fermionic Generation all Interactions gravity; other potential unknown interactions Status Hypothetical …   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

• Neutral heavy lepton — Neutral Heavy Leptons (NHL) arise in some extensions to the Standard Model (called SM from here on). NHLs are also referred to in the literature as heavy neutrinos, righthanded neutrinos, or sterile neutrinos.Neutral Heavy Lepton is a possible… …   Wikipedia

• Spin (physics) — This article is about spin in quantum mechanics. For rotation in classical mechanics, see angular momentum. In quantum mechanics and particle physics, spin is a fundamental characteristic property of elementary particles, composite particles… …   Wikipedia

• Standard Model (mathematical formulation) — For a basic description, see the article on the Standard Model .This is a detailed description of the standard model (SM) of particle physics. It describes how the leptons, quarks, gauge bosons and the Higgs particle fit together. It gives an… …   Wikipedia

• List of unsolved problems in physics — This is a list of some of the major unsolved problems in physics. Some of these problems are theoretical, meaning that existing theories seem incapable of explaining a certain observed phenomenon or experimental result. The others are… …   Wikipedia

• Dark matter — Not to be confused with antimatter, dark energy, dark fluid or dark flow. For other uses, see Dark Matter (disambiguation) …   Wikipedia

• Modelo estándar (detalles básicos) — Saltar a navegación, búsqueda Para una descripción básica, véase Modelo estándar de física de partículas. Este artículo presenta una descripción del Modelo estándar de la física de partículas que describe como interaccionan los leptones, quarks,… …   Wikipedia Español