Hyperfine Structure Quantum Number
The "Hyperfine Structure Quantum Number" is a quantum number of an atom describing inclination of the nuclear spin with respect to a quantization axis given by the magnetic field produced by the orbital electrons.
Applicable units are those of quantitykind:HyperfineStructureQuantumNumber
http://en.wikipedia.org/wiki/Hyperfine_structure
http://en.wikipedia.org/wiki/Quantum_number
The "Hyperfine Structure Quantum Number" is a quantum number of an atom describing inclination of the nuclear spin with respect to a quantization axis given by the magnetic field produced by the orbital electrons.
http://www.iso.org/iso/catalogue_detail?csnumber=31894