Atomic mass constant

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In physics, the atomic mass constant mu is 1/12 of the mass of the 12C nuclide, in its ground state and at rest.

m_\mathrm{u} = \frac{1}{12}m(^{12}C).

By definition mu is equal to 1 u the unified atomic mass unit. The latest value is mu = 1.660 538 782 × 10−27 kg.[1]

Reference

  1. ↑ Retrieved on December 4, 2007 from NIST website
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