Xi Baryon Definition
zī, sī, ksē
noun
Either of two baryons that contain two strange quarks and have a neutral or negative charge, masses of 2,573 and 2,586 times that of the electron, and mean lifetimes of 2.9 × 10−10 and 1.6 × 10−10 second, respectively.
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Other Word Forms of Xi Baryon
Noun
Singular:
xi baryonPlural:
xi-baryonsOrigin of Xi Baryon
Named after the Greek letter.
From Wiktionary
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