Test of the Universality of Naive-time-reversal-odd Fragmentation Functions

Abstract

We investigate the ''spontaneous'' hyperon transverse polarization in $e^{+}{e}^{-}$ annihilation and semi-inclusive deep inelastic scattering processes as a test of the universality of the naive-time-reversal-odd transverse momentum dependent fragmentation functions. We find that universality implies definite sign relations among various observables. This provides a unique opportunity to study initial/final state interaction effects in the fragmentation process and test the associated factorization.

arXiv comment4 pages, 3 figures

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Cited by in corpus (10)

• QCD Evolution of the Sivers Asymmetry
• Observation of Transverse $\Lambda /\bar{\Lambda }$ Hyperon Polarization in $e^{+}{e}^{-}$ Annihilation at Belle
• Polarized hadron pair production from electron-positron annihilation
• Extra Spin Asymmetries From the Breakdown of TMD-Factorization in Hadron-Hadron Collisions
• Next-to-leading order transverse momentum-weighted Sivers asymmetry in semi-inclusive deep inelastic scattering: the role of the three-gluon correlator
• Polarized hyperon production in single-inclusive electron-positron annihilation at next-to-leading order
• Polarized Lambda hyperon production in Semi-inclusive deep inelastic scattering off an unpolarized nulceon target
• Collins and Sivers effects in p(transv. polarized) p --> jet pion X: Universality and process dependence
• Semi-inclusive back-to-back production of a hadron pair and a single hadron in $e^{+}{e}^{-}$ annihilation
• Novel experimental probes of QCD in SIDIS and $e^{+}{e}^{-}$ annihilation