Abstract
The QCD evolution of initial jets (corresponding to space-like partons) is analyzed for small Bjorken x. Coherent effects are described by a gluon emission current which also embodies internal line insertions to double log accuracy. It is found that gluons are emitted off thr space-like leg in the order of their angles with respect to the jet axis. The modified branching vertex probability is given and differences with previous prescriptions are pointed out. The relation to transverse momentum ordering in structure function is also discussed.
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