The Forward Cone and L/T Separation in Diffractive DIS
Abstract
LPS provides access to new fundamental observables: the diffraction cone and azimuthal asymmetries. Diffraction cone has a unique rise of BT from the exclusive limit to excitation of continuum M2 ≈ Q2 which is in striking contrast to experience with real photoproduction and hadronic diffraction. Azimuthal asymmetry is large and pQCD calculable at large β and can be measured with LPS. It allows testing of the pQCD prediction of L/T >> 1.
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