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Interference fragmentation functions in electron-positron annihilation

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arxiv hep-ph/0302232 v1 pith:FWTSNFRH submitted 2003-02-25 hep-ph

Daniel Boer , Rainer Jakob , Marco Radici This is my paper · ORCID
classification hep-ph
keywords fragmentationfunctionsinterferenceannihilationasymmetryelectron-positronfunctionhandedness
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We study the process of electron-positron annihilation into back-to-back jets, where in each jet a pair of hadrons is detected. The orientation of these two pairs with respect to each other can be used to extract the interference fragmentation functions in a clean way, for instance from BELLE or BABAR experiment data. This is of relevance for studies of the transversity distribution function. In particular, we focus on two azimuthal asymmetries. The first one has already been studied by Artru and Collins, but is now expressed in terms of interference fragmentation functions. The second asymmetry is new and involves a function that is related to longitudinal jet handedness. This asymmetry offers a different way of studying handedness correlations.

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Cited by 3 Pith papers

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

  1. Bell Inequality Violation of Light Quarks in Back-to-Back Dihadron Pair Production at Lepton Colliders

    hep-ph 2025-01 conditional novelty 6.0 of 10

    Using dihadron fragmentation functions as spin analyzers, the paper shows that Bell inequality violation in massless quark pairs can be probed through azimuthal correlations, with projected discovery significance from...

  2. Helicity correlation of neighboring dihadron

    hep-ph 2024-11 conditional novelty 5.0 of 10

    The helicity correlation of two neighboring hadrons is driven by QCD evolution from the longitudinal spin-transfer function, offering a new unpolarized-collision observable for spin physics.

  3. New way to access the quark fragmentation functions in electron-positron annihilation

    hep-ph 2019-07 unverdicted novelty 5.0 of 10

    A framework is proposed for accessing polarized quark fragmentation functions via new measurements in SIA and SIDIS processes at future facilities.

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