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antineutrinos

  • plural
    of antineutrino.
    antineutrino
    noun
    the antiparticle of a neutrino, distinguished from the neutrino by having clockwise rather than counterclockwise spin when observing in the direction of motion.

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If neutrinos and antineutrinos oscillate differently, that difference could point to why matter ultimately prevailed.

From Science Daily Mar. 3, 2026

By measuring the neutrinosand their antimatter partners, antineutrinos, in both locations, physicists can study how these particles change their type as they travel, a phenomenon known as neutrino oscillation.

From Science Daily Jun. 19, 2024

For years it seemed like building a muon collider might be the only way to answer whether neutrinos behave differently than antineutrinos.

From Scientific American Aug. 28, 2023

Some of the surviving electron antineutrinos will slam into a proton in the scintillator, producing an energetic positron that results in a flash of light.

From Science Magazine Aug. 22, 2023

The neutrinos and antineutrinos, however, would not have annihilated with each other, because these particles interact with themselves and with other particles only very weakly.

From "A Brief History of Time: And Other Essays" by Stephen Hawking

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