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Diffractive vector meson production at COMPASS and plans for GPDs measurements
Preliminary results on the spin dependence of exclusive $\rho^{0}$ muoproduction at COMPASS are discussed. The $Q^{2}$ dependence of several spin density matrix elements and of $R = \sigma_{L}\sigma_{T}$ is presented. The data are consistent with a substantial increase of $R$ with $Q^{2}$ and a weak...
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| Lenguaje: | eng |
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2006
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| Acceso en línea: | http://cds.cern.ch/record/992851 |