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Relations among QCD corrections beyond leading order
J. Blümlein, V. Ravindran, W. L. van Neerven
The status of various relations among higher order QCD corrections is discussed. In particular, Drell-Levy-Yan relation and Supersymmetric relation are studied at the two-loop leve…
Heavy flavour mass corrections to the longitudinal and transverse cross sections in e^+e^- - collisions
V. Ravindran, W. L. van Neerven
The sentence, 7th line below Eq. (28), starting with "Further we exclude all interference terms ...." is wrong and has been corrected. Eq. (33) : f_k^{l,(i)} -> h_k^{l,(i)} i=0,1 S…
Second order QCD corrections to the forward-backward asymmetry in e^+e^- - collisions
V. Ravindran, W. L. van Neerven
The sentence, 11th line below Eq. (30), starting with "Further in [14] one has included all interference terms ...." is wrong and has been corrected. Second line below Eq. (40) m_b…
The Unpolarized Gluon Anomalous Dimension at Small x
J. Blümlein, V. Ravindran, W. L. van Neerven +1
We discuss the quantitative consequences of the resummation of the small-x contributions to the anomalous dimensions beyond next-to-leading order in alpha_s and up to next order in…
Relations among polarized and unpolarized splitting functions beyond leading order
J. Blümlein, V. Ravindran, W. L. van Neerven
The role of various symmetries in the evaluation of splitting functions and coefficient functions is discussed. The scale invariance in hard processes is known to be a guiding tool…