Double spin asymmetry in exclusive ρ0 muoproduction at COMPASS M. Alekseev, V.Yu. Alexakhin, Yu. Alexandrov, G.D. Alexeev, A. Amoroso, A. Arbuzov, B. Badełek, F. Balestra, J. Ball, G. Baum et al. (229 more) Eur. Phys. J. C, 52 2 (2007) 255-265 Published online: 16 August 2007 DOI: 10.1140/epjc/s10052-007-0376-6