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Twist-three analysis of photon electroproduction with pion
A. V. Belitsky, D. Müller, A. Kirchner +1
We study twist-three effects in spin, charge, and azimuthal asymmetries in deeply virtual Compton scattering on a spin-zero target. Contributions which are power suppressed in 1/Q…
Superconformal constraints for QCD conformal anomalies
A. V. Belitsky, D. Müller
Anomalous superconformal Ward identities and commutator algebra in N = 1 super-Yang-Mills theory give rise to constraints between the QCD special conformal anomalies of conformal c…
NLO evolution kernels for skewed transversity distributions
A. V. Belitsky, A. Freund, D. Müller
We present a calculation of the two-loop evolution kernels of the twist-two transversally polarized quark and linearly polarized gluon skewed parton distributions in the minimal su…
Twist-three effects in two-photon processes
A. V. Belitsky, D. Müller
We give a general treatment of twist-three effects in two-photon reactions. We address the issue of the gauge invariance of the Compton amplitude in generalized Bjorken kinematics…
Off-forward gluonometry
A. V. Belitsky, D. Müller
We explore the deeply virtual Compton scattering process at NLO with the emphasis on the measurement of the tensor gluon skewed distributions. We recalculate the one-loop coefficie…
Leading twist asymmetries in deeply virtual Compton scattering
A. V. Belitsky, D. Müller, L. Niedermeier +1
We calculate spin, charge, and azimuthal asymmetries in deeply virtual Compton scattering at leading twist-two level. The measurement of these asymmetries gives an access to the im…