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 (ăn′tē-no͞o-trē′nō, -nyo͞o-, ăn′tī-)
n. pl. an·ti·neu·tri·nos
The antiparticle of a neutrino.


n, pl -nos
(Atomic Physics) the antiparticle of a neutrino; a particle having oppositely directed spin to a neutrino, that is, spin in the direction of its momentum


(ˌæn ti nuˈtri noʊ, -nyu-, ˌæn taɪ-)

n., pl. -nos.
the antiparticle of a neutrino, distinguished from the neutrino by its equal but opposite spin.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.antineutrino - the antiparticle of a neutrino
antilepton - the antiparticle of a lepton
References in periodicals archive ?
This violation of the matter-antimatter symmetry is called the charge-parity (CP) violation, and evidence of the CP violations is being looked for by - among other experiments - the different rates of neutrino and antineutrino oscillations, recorded by an international team of researchers working on the T2K experiment.
For example, the difference in neutrino and antineutrino oscillation due to the violation of charge-parity symmetry, which is thought to be related to the origins of the matter-dominated era in the universe's history, or research into problems related to neutrino mass (the hierarchy problem).
Other nuclear reactor studies, including an experiment at the Bugey reactor in Saint-Vulbas, France, have seen similar electron antineutrino deficits, he notes.
58) A neutron will decay into a proton, an electron and an antineutrino over a relatively short time frame.
The inside of a cylindrical antineutrino detector before being filled with clear liquid scintillator, which reveals antineutrino interactions by the very faint flashes of light they emit.
If the new isotope is unstable, one of its neutrons may decay into a proton by emitting an electron and an antineutrino, converting the atom into the next element in the periodic table.
A very common subatomic particle in our universe is the left-handed electron antineutrino.
Sin embargo, esa diferencia indica una antiparticula (una particula con un estado de energia negativo): el antineutrino.
For example, a footloose and fancy-free neutron decays into a proton, an electron, and an antineutrino with a half-life of some 22 minutes.
10 Of course, the postulation of the neutrino was not exactly correct: current physics tells us that it is an intermediary particle which is emitted from the nucleus initially, and it is it which decays into a Beta particle and an antineutrino (though calling the small neutral particle emitted in this process an antineutrino is just as much a change in nomenclature as a change in theory).
Frederick Reines, who with Cowan had first detected the antineutrino, now tried to detect neutrinos from the Sun.
Normally, when the atom of a radioactive particle decays, a neutron breaks down into a proton, an electron, and an antineutrino (or a neutrino).