In quantum mechanics and particle physics "Spin" is an intrinsic form of angular momentum carried by elementary particles, composite particles (hadrons), and atomic nuclei.
Applicable units are those of quantitykind:AngularMomentum
http://en.wikipedia.org/wiki/Spin_(physics)
In quantum mechanics and particle physics "Spin" is an intrinsic form of angular momentum carried by elementary particles, composite particles (hadrons), and atomic nuclei.
http://www.iso.org/iso/catalogue_detail?csnumber=31895