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Transverse momentum dependent factorization for SIDIS at next-to-leading power

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arxiv 2306.09495 v3 pith:72Q7USSQ submitted 2023-06-15 hep-ph nucl-th

Simone Rodini , Alexey Vladimirov This is my paper
classification hep-phnucl-th
keywords evolutionfactorizationfunctionssidisnext-to-leadingpowerstructuretransverse
verification ladder T0 review T1 audit T2 compute T3 formal
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The semi-inclusive deep-inelastic scattering (SIDIS) is the golden process for investigating the nucleon's transverse momentum-dependent (TMD) structure. We present the complete expression for SIDIS structure functions in the TMD factorization formalism at the next-to-leading power. All perturbative elements of the factorization theorem -- coefficient functions and evolution kernels -- are presented at one-loop accuracy. We found several differences with earlier derivations, which are due to accounting for nontrivial kinematics of the quark-gluon interference terms. As a side result, we present the definition and evolution of twist-three TMD fragmentation functions, including the leading-order evolution kernel.

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Cited by 4 Pith papers

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

  1. Collinear matching for leading power gluon transverse momentum distributions

    hep-ph 2026-05 unverdicted novelty 7.0 of 10

    Tree-level and one-loop collinear matching relations are computed for leading-power gluon TMD PDFs, yielding the first Wandzura-Wilczek approximation for the gluon worm-gear T distribution along with a closed-form mas...

  2. Next-to-next-to-leading power corrections to unpolarized Semi-Inclusive Deep Inelastic Scattering

    hep-ph 2026-01 conditional novelty 6.0 of 10

    Analytic 1/Q² corrections to the four unpolarized SIDIS structure functions are derived from the rapidity-factorization 'gauge-completion' approach, giving f1⊗D1 and h1^⊥⊗H1^⊥ convolutions with numerical estimates for...

  3. Phenomenology of genuine twist-three distributions from a global QCD analysis

    hep-ph 2026-07 unverdicted novelty 5.0 of 10

    Global QCD analysis extracts genuine twist-three PDFs from g2, d2 and SIDIS asymmetries, confirming their universality and factorization validity.

  4. Introduction to transverse momentum imaging

    hep-ph 2026-04 unverdicted

    The notes provide an introduction to transverse momentum dependent distributions and their use in imaging hadrons, complementing lectures at several graduate schools.

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