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The Weak Force: Identity or Number Charge (2686 words) |
 | (a tau decays to a muon, tau neutrino, and muon antineutrino) |
 | (a muon decays to an electron, muon neutrino, and electron antineutrino) |
 | (a neutron decays to a proton, electron, and electron antineutrino) |
| Neutrino - Wikipedia, the free encyclopedia (3144 words) |
 | This effect was first noticed due to the number of electron neutrinos detected from the sun's core failing to match the expected numbers, a discrepancy dubbed the "solar neutrino problem". |
 | Despite their massive nature, it is still possible that the neutrino and antineutrino are in fact the same particle, a hypothesis first proposed by the Italian physicist Ettore Majorana. |
 | An electron in the detector produces an electromagnetic shower which can be distinguished from hadronic showers if the granularity of the active detector is small compared to the physical extent of the shower. |