New observables in longitudinal single-spin asymmetries in semi-inclusive DIS

A. Bacchetta, P.J.G. Mulders, F. Pijlman

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    Abstract

    We analyze longitudinal beam and target single-spin asymmetries in semi-inclusive deep inelastic scattering and in jet deep inelastic scattering, including all possible twist-3 contributions as well as quark mass corrections. We take into account the path-ordered exponential in the soft correlators and show that it leads to the introduction of a new distribution and a new fragmentation function contributing to the asymmetries. © 2004 Elsevier B.V. All rights reserved.
    Original languageEnglish
    Pages (from-to)309-317
    JournalPhysics Letters B
    Volume595
    DOIs
    Publication statusPublished - 2004

    Bibliographical note

    New observables in longitudinal single-spin asymmetries in semi-inclusive DIS

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