Article
The European Physical Journal C  (2009)

Spin density matrix elements in exclusive ρ 0 electroproduction on 1H and 2H targets at 27.5 GeV beam energy

Airapetian, A.; Akopov, N.; Akopov, Z.; Andrus, A.; Aschenauer, E.?C.; Augustyniak, W.; Avakian, R; Avetissian, A.; Avetissian, E.; Belostotski, S.; Bianchi N.; Blok, H.P.; Böttcher, H.; Bonomo, C.; Borissov, A.; et. al.