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One-Loop Corrections to Dihadron Production in DIS at Small x

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arxiv 2207.03606 v2 pith:376FEHRJ submitted 2022-07-07 hep-ph nucl-th

One-Loop Corrections to Dihadron Production in DIS at Small x

classification hep-ph nucl-th
keywords dihadronsmallcorrectionsdivergencesone-loopproductionquarkabsorbed
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We calculate the one-loop corrections to dihadron production in Deep Inelastic Scattering (DIS) at small x using the Color Glass Condensate formalism. We show that all UV and soft singularities cancel while the collinear divergences are absorbed into quark and anti quark-hadron fragmentation functions. Rapidity divergences lead to JIMWLK evolution of dipoles and quadrupoles describing multiple-scatterings of the quark anti-quark dipole on the target proton/nucleus. The resulting cross section is finite and can be used for phenomenological studies of dihadron angular correlations at small x in a future Electron-Ion Collider (EIC).

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Forward citations

Cited by 6 Pith papers

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

  1. Sub-eikonal stress and model dependence of the small-$x$ gluon D-term

    hep-ph 2026-07 unverdicted novelty 7.0

    The gluon D-term at small x is a next-to-eikonal stress observable whose sign is not determined by the dipole or saturation profile.

  2. Sub-eikonal stress and model dependence of the small-$x$ gluon D-term

    hep-ph 2026-07 conditional novelty 6.0

    The small-x gluon D-term is a next-to-eikonal stress probe and is not fixed by the leading-eikonal dipole or saturation profile alone.

  3. Multiplicity-dependent forward jet production in proton-nucleus collisions

    hep-ph 2026-06 unverdicted novelty 6.0

    New CGC+SCET factorization framework for multiplicity-dependent single-inclusive forward jets in pA collisions that preserves the inclusive limit and identifies saturation effects on internal jet evolution.

  4. Multiplicity-dependent forward jet production in proton-nucleus collisions

    hep-ph 2026-06 unverdicted novelty 6.0

    CGC plus SCET semi-inclusive jet functions yield a multiplicity-conditioned forward-jet factorization that reduces exactly to the known inclusive CGC jet cross section.

  5. Azimuthal decorrelation in diffractive dijet production

    hep-ph 2026-06 unverdicted novelty 6.0

    All-order resummation of soft gluons for transverse energy-energy correlators in diffractive dijet production demonstrates sensitivity of acoplanarity to diffractive TMDs.

  6. Nuclear Cold QCD: Review and Future Strategy

    hep-ph 2025-06 unverdicted novelty 2.0

    Review summarizing observed cold nuclear matter modifications in hadron-nucleus collision data and proposing experimental strategies for the EIC to clarify underlying QCD mechanisms.