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Semi-inclusive Diffractive Deep Inelastic Scattering at Small-x

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arxiv 2205.08060 v2 pith:MBBFFRSM submitted 2022-05-17 hep-ph hep-exnucl-exnucl-th

Semi-inclusive Diffractive Deep Inelastic Scattering at Small-x

classification hep-ph hep-exnucl-exnucl-th
keywords diffractivegluondeepdipoleinelasticscatteringsemi-inclusivesmall-
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Inspired by a recent study of Iancu, Mueller and Triantafyllopoulos [1] and earlier papers by Golec-Biernat and Wusthoff [2,3], we propose semi-inclusive diffractive deep inelastic scattering (SIDDIS) to investigate the gluon tomography in the nucleon and nuclei at small-$x$. The relevant diffractive quark and gluon parton distribution functions (DPDF) can be computed in terms of the color dipole S-matrices in the fundamental and adjoint representations, respectively. Novel correlations from the gluon tomography in the dipole S-matrix can be experimentally studied through the DPDFs in these processes at the future electron-ion collider (EIC).

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Forward citations

Cited by 7 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. TMD factorization in diffractive heavy-quark production in photon-nucleus collisions

    hep-ph 2026-06 unverdicted novelty 7.0

    TMD factorization holds for diffractive massive quark-antiquark-gluon production in the correlation limit, with a new mass-dependent quark diffractive TMD in the antiquark-gluon hard pair case.

  3. Matching collinear factorization with color-glass condensate for inclusive and exclusive deep inelastic scattering

    hep-ph 2026-05 accept novelty 7.0

    Collinear factorization amplitudes exactly reproduce the large-Q² expansion of CGC amplitudes for inclusive DIS, DVCS, and DVMP at the amplitude level.

  4. Twisting Small-$x$ Gluon Tomography with Orbital Angular Momentum

    hep-ph 2026-06 unverdicted novelty 6.0

    Proposes OAM-resolved extension of small-x gluon tomography via twisted lepton currents yielding tunable M-resolved elliptic correlations A_2^(M)(q_T, R_γ) with projection zeros unavailable in plane-wave setups.

  5. 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.

  6. 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.

  7. Probing Saturation Effect in Heavy Meson Pair Correlation in Forward $pA$ Collisions

    hep-ph 2026-05 unverdicted novelty 5.0

    Heavy meson pair correlations in forward pA collisions are computed in the CGC framework with Sudakov resummation, reproducing LHCb data and showing a mass hierarchy in R_pA that strengthens at higher rapidity.