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xi particle

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WordReference Random House Unabridged Dictionary of American English © 2026

xi′ par′ticle, [Physics.]

Physicsany of a family of baryons having strangeness -2 and isotopic spin ½. Symbol: Χ Cf. cascade particle.

1960–65

'xi particle' also found in these entries (note: many are not synonyms or translations):

cascade particle

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