Exclusive ${\rho }^0$ Production in Polarized DIS at SMC

Angèle Tripet

Preliminary spin cross section asymmetries for exclusive ${\rho }^0$ lepto-production, $\vec{\mu }+\vec{N}\to {\mu }^{\prime }+N+{\rho }^0({\rho }^0\to {\pi }^{+}{\pi }^{-})$, are reported. These asymmetries hav…