Double spin asymmetry in exclusive ρ0 muoproduction at COMPASS
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The longitudinal double spin asymmetry A1ρ for exclusive leptoproduction of ρ0 mesons, μ+N→μ+N+ρ, is studied using the COMPASS 2002 and 2003 data. The measured reaction is incoherent exclusive ρ0 production on polarised deuterons. The Q2 and x dependence of A1ρ is presented in a wide kinematical range, 3×10-3
author list (cited authors)
Alekseev, M., Alexakhin, V. Y., Alexandrov, Y. u., Alexeev, G. D., Amoroso, A., Arbuzov, A., ... The COMPASS Collaboration, ..