### Some articles on *planck*:

**Planck**Constant - Determination - Magnetic Resonance

... shielded proton magnetic moment μ′p, the spin number I (I = 1⁄2 for protons) and the reduced

**Planck**constant The ratio of the shielded proton magnetic ... Only the high-field value Γ′p-90(hi) is of interest in determining the

**Planck**constant Substitution gives the expression for the

**Planck**constant in terms of Γ′p-90(hi) ...