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TH Heavy Ion Coffee

CSS and CGC: making sense of longitudinal momentum fraction vs longitudinal resolution in high energy evolution

by Alex Kovner (University of Connecticut (US))

Europe/Zurich
4/3-001 (CERN)

4/3-001

CERN

18
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Description

I explain how to evolve observables which depend on two longitudinal momentum variables (momentum x and resolution ζ) at high energy. I show that such observables evolve according to JIMWLK equation up to rapidity  ln1/x, while further evolution up to ζ is given by the double logarithmic CSS equation.