https://doi.org/10.1351/goldbook.N04236
Electromagnetic fundamental physical constant \(\mu _{\text{N}}=\frac{m_{\text{e}}}{m_{\text{p}}}\ \mu _{\text{B}}=5.050\ 7866(17)\times 10^{-27}\ \text{J T}^{-1}\), where \(m_{\text{e}}\) is the @E02008@, \(m_{\text{p}}\) the @P04914@ and \(\mu _{\text{B}}\) the @B00692@.