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Meaning of leptonium | Babel Free

Noun CEFR B2

Definitions

A bound pair of a lepton and its antiparticle

particle

Examples

“The LHC constraints on exotic stable massive charged particles seem to further shrink the allowed range for the hypercharge down to Y#95;#123;#92;ell#125;#92;approx 8-8.9, with the caveat that the relation between the leptonium mass and the mass of the constituent leptons in our calculations is plagued with a large theoretical uncertainty for large Y#95;#123;#92;ell#125;.”

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

leptonization leptophlebiid leptophloem leptophos leptophractine leptopodomorphan