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IEVref:221-01-20ID:
Language:enStatus: Standard
Term: Bohr magneton
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Symbol: B
Definition: physical constant used to express the magnetic moment of an electron

e h/4 π m ≈ (9,274 078 0,000 036) x 10−24 Am2

where e is the elementary charge, h the Planck's constant, and m the electron rest mass

NOTE 1 – The numerical value quoted is that adopted by the International Union of Pure and Applied Physics (IUPAP).

NOTE 2 – The magnetic moment of a free electron due to its spin is approximately equal to 1,001μB.


Publication date:1990-10
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Internal notes:2017-02-28: ": its value is" deleted, decimal point replaced by decimal comma, - replaced by − and leading article deleted. JGO
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