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NLO computation of diffractive di-hadron production in a saturation framework

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arxiv 2211.05774 v2 pith:CG3KQ5HC submitted 2022-11-10 hep-ph

NLO computation of diffractive di-hadron production in a saturation framework

classification hep-ph
keywords cross-sectionsdiffractivefactorizationformalismresultssaturationaccuracyalready
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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The cross-sections of diffractive double hadron photo- or electroproduction with large $p_T$, on a nucleon or a nucleus, are calculated to NLO accuracy. A hybrid formalism mixing collinear factorization and high energy small-$x$ factorization, more precisely the shockwave formalism for the latter, is used to derive the results. The cancellation of divergences is explicitly shown, and the finite parts of the NLO differential cross-sections are found. We work in arbitrary kinematics such that both photoproduction and leptoproduction are considered. The results are therefore usable, to detect saturation effects, at both the future EIC or already at LHC, using Ultra Peripheral Collisions.

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Forward citations

Cited by 5 Pith papers

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

  1. 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.

  2. Forward trijet production in proton-nucleus collisions: gluon initiated channel

    hep-ph 2026-04 unverdicted novelty 7.0

    The gluon-initiated trijet channel in forward pA collisions is calculated at leading order in CGC, revealing a four-gluon vertex structure matching instantaneous terms and showing how rapidity and collinear divergence...

  3. Forward trijet production in proton-nucleus collisions: gluon initiated channel

    hep-ph 2026-04 accept novelty 6.5

    Analytical CGC amplitudes and cross sections for forward g o q¯qg and g o ggg trijet production in pA collisions are obtained, with rapidity and collinear divergences shown to match JIMWLK and DGLAP evolution.

  4. 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.

  5. 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.