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IEVref:113-05-30ID:
Language:enStatus: Standard
Term: neutron
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Symbol: n
Definition: electrically neutral particle constituted from three quarks of the same kinds as in the proton

NOTE 1 The neutron is a fermion and is constituted from quarks ddu.

NOTE 2 Neutrons are constituents of all atomic nuclei except hydrogen 1H.

NOTE 3 The neutron has a rest mass mn = 1,674 927 211(84) × 10−27 kg (CODATA 2006) and a mean life in the free state for beta decay of approximately 890 s.


Publication date:2011-04
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Internal notes:2017-06-02: Cleanup - Remove Attached Image 113-05-30en.gif
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