Definition of "neutralino" [neutralino]

• Any of several hypothetical particles, predicted by supersymmetry, related to neutrinos. (noun)

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• "Probably the likeliest candidate is the neutralino, which is a mixed eigenstate or condensate of the supersymmetric pairs of the photon, higgs and Z_0 particle."
• "Kane's personal bet for the particle behind dark matter in these findings is called a wino (pronounced WEE-no) - a specific type of neutralino, which is a theorized category of particles that could exist as "supersymmetric partners" for all the Standard Model particles such as electrons, quarks, etc."
• "It will begin to produce the goods next year with the possible discovery of a particle called a neutralino, which could reveal the nature of the mysterious dark matter that makes up about 23 per cent of the universe."