Physics Constants

NAME SYMBOL VALUE

Proton Magnetic Moment µ_p
µ_p/µ_B
µ_p/µ_N 1.410606633(58) × 10^-26 J T^-1
1.521032203(15) × 10^-3
2.792847337(29)

Proton Magnetic Moment, Shielded (H₂O, sphere, 25°C) µ'_p
µ'_p/µ_B
µ'_p/µ_N 1.410570399(59) × 10^-26 J T^-1
1.520993132(16) × 10^-3
2.792775597(31)

Proton Magnetic Shielding Correction 1- µ'_p/µ_p (H₂O, sp σ'_p 25.687(15) × 10^-6

Proton Mass m_p 1.67262158(13) × 10^-27 kg
1.00727646688(13) u
1.50327731(12) × 10^-10 J

Proton Molar Mass N_Am_p M(p)
M_p 1.00727646688(13) × 10^-3 kg mol^-1

Proton-Electron Mass Ratio m_p/m_e 1836.1526675(39)

Proton-Muon Mass Ratio m_p/m_µ 8.88024408(27)

Proton-Neutron Magnetic Moment Ratio µ_p/µ_n -1.45989805(34)

Proton-Neutron Mass Ratio m_p/m_n 0.99862347855(58)

Proton-Tau Mass Ratio m_p/m_τ 0.527994(86)