Definition of half-integer
plural half-integers
:any number of the form x/2, where x is any odd integer
- Particles whose spin is a half-integer of h, on the other hand, are fermions satisfying the Pauli exclusion principle; no two particles can have the same state.
- —Qimiao Si et al., Science, 3 Sept. 2010
Note:
A half of an even integer is considered an integer. A half-integer is the result of a half of an odd integer.
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half-integral
adjective-
- All the particles that we like to think of as “real” particles, like protons, neutrons and electrons, have spin which is half-integral—1/2, 3/2, 5/2 and so on.
- —John Gribbin, The Search For Superstrings, 1998
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