Neutron mass
Try it yourself:
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neutronMass
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neutronMass is the rest mass of a neutron, used in nuclear physics, particle physics, and mass–energy calculations.
Compare it with proton mass and electron mass. Convert units with to() and use multiply() in energy formulas.
Use rest mass consistently and distinguish a free neutron from a bound nucleus.
Enter neutronMass on a calculator line to see its built-in value, or place the name inside a longer expression. Keep any displayed unit attached when converting or combining physical quantities, and check that every other value uses a compatible dimension.
The example above is editable, so you can replace surrounding values and test the constant in your own formula. Browse all constants to compare related values and notation.