On the Evolution Kernels of Twist 2 Light-Ray Operators for Unpolarized and Polarized Deep Inelastic Scattering

Abstract

The non-singlet and singlet evolution kernels of the twist--2 light-ray operators for unpolarized and polarized deep inelastic scattering are calculated in $O({\alpha }_s)$ for the general case of virtualities $q^2,q^{\prime 2}\ne 0$. Special cases as the kernels for the general single-variable evolution equation and the Altarelli-Parisi and Brodsky-Lepage limits are derived from these results.

10 pages latex, including 1 ps-figure, typos corrected

References in corpus (1)

• Wave Functions, Evolution Equations and Evolution Kernels from Light-Ray Operators of QCD

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