Rotating the Color Glass Condensate.

Authors

Renaud Boussarie, Paul Caucal, Piotr Korcyl, Yacine Mehtar-Tani

Published in

Physical review letters. Volume 137. Issue 12. Pages 121903. Sep 18, 2026.

Abstract

High-energy QCD evolution beyond leading order suffers from instabilities driven by large collinear logarithms. We present a framework, consistent with the standard high-energy operator product expansion, that restores perturbative stability order by order. The method involves a change of basis in the space of high-energy operators, which modifies both the evolution kernel and the coefficient functions while leaving physical observables invariant. Within this factorization scheme, we derive a next-to-leading-order renormalization-group equation whose numerical solution exhibits stable evolution up to large rapidities, paving the way for a systematic framework for precision studies of gluon saturation at current and future colliders.

PMID:
42826973
Bibliographic data and abstract were imported from PubMed on 03 Oct 2026.

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