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SUMMARY:A unified derivation of JIMWLK\, DGLAP\, and CSS evolution from on
 e-loop corrections to the Weizsäcker–Williams gluon distribution
DTSTART;VALUE=DATE-TIME:20260427T140000Z
DTEND;VALUE=DATE-TIME:20260427T150000Z
DTSTAMP;VALUE=DATE-TIME:20260525T111333Z
UID:indico-contribution-1951@events.ncbj.gov.pl
DESCRIPTION:Speakers: Paul Caucal (SUBATECH\, Universite de Nantes\, Franc
 e)\nAzimuthal correlations in inclusive dijet production in electron–nuc
 leus collisions provide a powerful and direct probe of the Weizsäcker–W
 illiams (WW) gluon transverse-momentum dependent (TMD) distribution in nuc
 lei. In particular\, at small Bjorken x\, this observable is a key tool to
  investigate gluon saturation at the future Electron–Ion Collider (EIC).
  To reliably extract the WW gluon TMD and the associated saturation scale 
 from future measurements\, high theoretical precision is essential\, inclu
 ding a consistent treatment of quantum evolution effects across different 
 kinematic regimes.\n\nIn this talk\, I revisit the calculation of next-to-
 leading order (NLO) corrections to dijet production at small x. Focusing o
 n the back-to-back limit\, I present a complete result for real NLO correc
 tions associated with gluon radiation outside the jet cones. The result pr
 eserves TMD factorisation\, with the same hard factor as at leading order\
 , multiplying the one-loop correction to the WW gluon TMD at small x. By e
 xploring different kinematic regimes\, I show how the calculation naturall
 y incorporates the relevant quantum evolution effects\, unifying small-x\,
  Collins-Soper-Sterman\, and collinear dynamics. In the dilute limit\, the
  result also connects to the unintegrated gluon distribution of the target
  and provides access to transverse-momentum dependent gluon splitting func
 tion.\n\nhttps://events.ncbj.gov.pl/event/346/contributions/1951/
LOCATION:
URL:https://events.ncbj.gov.pl/event/346/contributions/1951/
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