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Quark contribution to the reggeon-reggeon-gluon vertex in QCD

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arxiv hep-th/9405127 v1 pith:RU5EI6AP submitted 1994-05-19 hep-th hep-ph

classification hep-thhep-ph
keywords quarkcontributiongluonvertexloopreggeon-reggeon-gluonspinstructure
verification ladder T0 review T1 audit T2 compute T3 formal
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The quark loop contribution to the reggeon-reggeon-gluon vertex is calculated in QCD, where the reggeon is the reggeized gluon. Compared with the vertex in the Born approximation, this contribution exhibits a new spin structure as well as the gluon loop one. A remarkable but not complete cancellation between gluon and quark contributions to this new spin structure takes place for the case of three massless quark flavours.

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Cited by 2 Pith papers

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

  1. Regge factorization of tree-level QCD amplitudes using a minimal set of lightcone variables

    hep-ph 2025-06 conditional novelty 6.0 of 10

    All tree-level QCD multi-Regge emission vertices with up to four final-state partons are extracted in a minimal lightcone-variable frame and collected in the MREV Mathematica library.

  2. High-energy dynamics of QCD: Theoretical and phenomenological results

    hep-ph 2025-06 conditional novelty 6.0 of 10

    Real NLO corrections to the BFKL Higgs impact factor are derived with a physical top-quark mass, and updated tetraquark fragmentation functions are applied to predict rates at 14 and 100 TeV.

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