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  • noun

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an elementary particle with zero charge and zero mass

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An electron neutrino may masquerade as a muon neutrino for a while, then revert.
The ground state up and antiup quark pair completely annihilates into an electron neutrino, [u.
Periodic oscillations have been reported [24] in Pm142 which show an oscillating sinusoidal decay for electron capture (as contrasted to a conventionally established exponential decay) which the authors attribute to modulations caused by the oscillation of neutrinos between two different mass states (flavors), that of the electron neutrino emitted in the original decay, and that of the muon neutrino which is observed in decays of the muon (a particle 200 times more massive than the electron).
But the new data indicate that electron neutrinos oscillate with other flavors as they make their way to Earth.
The Los Alamos researchers used an accelerator to fire neutrinos into a tank of mineral oil, finding that muon neutrinos changed into electron neutrinos en route.
Pions decay into muons and muon neutrinos, and the muons, in turn, transform into positrons, electron neutrinos, and muon antineutrinos.
The W can then decay into a lighter quark and an antiquark or into a pair of leptons (an electron and electron neutrino or a muon and muon neutrino).
According to the standard model of particle physics, neutrinos come in three varieties: the electron neutrino, muon neutrino, and tau neutrino, along with their antimatter counterparts.
As Ralston told SCIENCE NEWS, the particles of physics can be divided into three separate generations, exemplified by the electron and the electron neutrino, the muon and the muon neutrino, and the tau particle and the tau neutrino.
Washington, June 25 (ANI): Ten days ago Japanese scientists announced an indication of a rare phenomenon, the transformation of muon neutrinos into electron neutrinos.
Three types exist: muon neutrinos, electron neutrinos and tau neutrinos.
An empirical parametrisation of the beam was developed, to predict the flux of electron neutrinos using the muon neutrino spectra measured by NOMAD.
Members said they have arrived at definitive results that electron neutrinos from the sun transform into neutrinos of another type, wherein such a transformation points to direct evidence that neutrinos have mass.
Six electron neutrinos appeared in a nearly pure beam of muon neutrinos traveling from an accelerator at the J-PARC facility to an underground detector 295 kilometers away.
The goal of the experiment, which is part of a new generation of neutrino-tracking facilities, is to observe the particles changing "flavors" from muon neutrinos to electron neutrinos on this brief journey.
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