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arxiv: 2412.21116 · v2 · pith:DLVRM6IX · submitted 2024-12-30 · hep-ph

Soft-gluon coupling and the TMD parton branching Sudakov form factor

A. Bermudez Martinez , F. Hautmann , L. Keersmaekers , A. Lelek , M. Mendizabal Morentin , S. Taheri Monfared , A.M. van Kampen This is my paper

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classification hep-ph
keywords branchingcouplingdistributionsevolutionframeworknnllpartonphysical
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The evolution of transverse momentum dependent (TMD) distributions in Quantum Chromodynamics (QCD) can be formulated in a parton branching (PB) framework. We show that next-to-next-to-leading-logarithm (NNLL) accuracy can be achieved in this framework by using the concept of soft-gluon physical coupling. We present results for the TMD distributions and for the Collins-Soper kernel controlling rapidity evolution. The results pave the way for PB predictions at NNLL level for physical observables at the Large Hadron Collider (LHC) and future colliders.

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Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. The Collins-Soper kernel from a vacuum soft function

    hep-lat 2026-06 unverdicted novelty 7.0

    The Collins-Soper kernel is extracted from lattice computations of a vacuum soft function, showing rapidity dependence consistent with Collins-Soper evolution, comparable errors to hadronic methods, and saturation at ...