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Two-hadron semi-inclusive production including subleading twist

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arxiv hep-ph/0311173 v2 pith:NQYSQ72E submitted 2003-11-13 hep-ph

Alessandro Bacchetta , Marco Radici This is my paper
classification hep-ph
keywords subleadingtwistdistributionfragmentationhadronspolarizedproductionresults
verification ladder T0 review T1 audit T2 compute T3 formal
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We extend the analysis of two-hadron fragmentation functions to the subleading twist, discussing also the issue of color gauge invariance. Our results can be used anywhere two unpolarized hadrons are semi-inclusively produced in the same fragmentation region, also at moderate values of the hard scale Q. Here, we consider the example of polarized deep-inelastic production of two hadrons and we give a complete list of cross sections and spin asymmetries up to subleading twist. Among the results, we highlight the possibility of extracting the transversity distribution with longitudinally polarized targets and also the twist-3 distribution e(x), which is related to the pion-nucleon sigma term and to the strangeness content of the nucleon.

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Cited by 5 Pith papers

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

  1. Single spin asymmetry $A _ { U L } ^ { \sin ( 3 \phi _ { h } - \phi_{ R } ) }$ in dihadron production in SIDIS

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  3. Twist-3 effects in fully inclusive jet production from $e^+e^-$ annihilation

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    Twist-3 corrections to e+e- -> hadron + inclusive jet are derived including weak interactions, yielding two azimuthal asymmetries that can expose the Collins fragmentation function at future colliders.

  4. Impact of Future Dihadron Production Measurements on the Transversity Distributions and Tensor Charges of the Nucleon

    hep-ph 2026-05 unverdicted novelty 4.0 of 10

    Pseudo-data from CLAS12, SoLID, and ePIC experiments are incorporated into the JAMDiFF analysis to forecast reduced uncertainties on transversity PDFs at intermediate-to-large x from JLab and across all x from EIC, pl...

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