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Home > Bohr magneton


The Bohr magneton (symbol ) is named after the physicist Niels Bohr.

It is a physical constant of magnetic moment, defined by:

where:

is the elementary charge,
is the reduced Planck's constant,
is the electron rest mass

In the SI system of units its value is approximately:

= 9.274 008 99(37) × 10-24 J· T-1


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