PPT Slide
Transverse Proton Spin Structure at RHIC 4
The transversity function (II)
For non-relativistic quarks:
Differences provides information on rela-
tivistic nature of quarks inside the proton
does not mix with gluons under evolution
First lattice QCD result:
S. Aoki, M. Doui, T. Hatsuda and Y. Kuramashi Phys.Rev. D56 (1997)433
More recently: S. Capitani et.al. Nucl. Phys. B (Proc. Suppl.) 79 (1999) 548