The Bohr magneton reference article from the English Wikipedia on 24-Apr-2004 (provided by Fixed Reference: snapshots of Wikipedia from wikipedia.org)

Bohr magneton

The Bohr magneton (symbol ), sometimes also called Landé factor, 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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