Single spin asymmetries in DIS

Abstract

We consider possible mechanisms for single spin asymmetries in inclusive Deep Inelastic Scattering (DIS) processes with unpolarized leptons and transversely polarized nucleons. Tests for the effects of non-zero ${\text{bfk}}_{\perp }$, for the properties of spin dependent quark fragmentations and for quark helicity conservation are suggested.

Comments: 5 pages, LaTeX, no figures. Revised version, to be published in Phys. Rev. D. Some equations and statements added to clarify text and notations