From Wikipedia, the free encyclopedia.
Xi (Ξ ξ) is the 14th letter of the Greek alphabet and has a numeric value of 60.
The upper-case letter Ξ is used as symbol for:
- The 'cascade particles' in particle physics.
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Wikipedia: Xi |
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Xi From Wikipedia, the free encyclopedia.
Xi (Ξ ξ) is the 14th letter of the Greek alphabet and has a numeric value of 60. The upper-case letter Ξ is used as symbol for:
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