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Higher-twist corrections to nucleon tomography

At present the GPD phenomenology avoids higher-twist corrections with a rejection of kinematic domains where some corrections may be significant. In practice, it means that a fraction of experimental data is not analyzed and interpreted to access a valuable information about the nucleon structure. This kind of suppression of data, somehow arbitrary, could be avoided with higher-twist corrections taken into account. To address this problem, we present a work plan consisting of three main tasks. ----