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Also called: Bohr magneton.�� β.�� mB.��a unit of magnetic moment equal to eh /4π m where e and m are the charge and mass of an electron and h is the Planck constant. It has the value 9.274 096 × 10 ^–24 joule per tesla

Also called: nuclear magneton.��a similar unit equal to β m / M where M is the mass of the proton

A unit of the magnetic dipole moment of a molecular, atomic, or subatomic particle.

◆ The Bohr magneton is defined as the magnetic dipole moment of the electron due to its inherent spin angular momentum, and is equal to 9.2741 × 10 ⁻²⁴ joules per tesla.

Also called Landé factor

◆ The nuclear magneton is defined using the electric charge and rest mass of the proton, and is equal to 5.0508 × 10 ⁻²⁷ joules per tesla.