Transverse Spin Physics at HERMES
A. Hillenbrand
Abstract
HERMES has measured azimuthal single-spin asymmetries of charged pions produced in deep-inelastic scattering of positrons on a transversely polarised hydrogen target. The presented azimuthal moments provide access to two yet unknown quark distribution functions, the transversity distribution function δ q and the Sivers function f1Tperp.
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