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Twist-3 Contributions in Semi-Inclusive DIS in the Target Fragmentation Region

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arxiv 2308.11251 v2 pith:LD33B6GQ submitted 2023-08-22 hep-ph

K.B. Chen , J.P. Ma , X.B. Tong This is my paper · ORCID
classification hep-ph
keywords functionstargettwist-3fracturefragmentationpolarizedregionresults
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We present the complete results up to twist-3 for hadron production in the target fragmentation region of semi-inclusive deep inelastic scattering with a polarized lepton beam and polarized nucleon target. The nonperturbative effects are factorized into fracture functions. The calculation up to twist-3 is nontrivial since one has to keep gauge invariance. By applying collinear expansion, we show that the hadronic tensor can be expressed by gauge-invariant fracture functions. We also present the results for the structure functions and azimuthal asymmetries.

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Cited by 1 Pith paper

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  1. Gluonic nucleon energy correlators and fracture functions for Color Glass Condensate

    hep-ph 2026-08 conditional novelty 7.0 of 10

    Gluonic nucleon energy correlators in the CGC reduce at eikonal accuracy to the unpolarized and linearly polarized gluon components, both given by the adjoint dipole S-matrix, and the linearly polarized one drives a s...

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