Analysis of the rapidity structure of charge correlations in hadronic events from Z0 decays gives evidence for chain-like charge-ordering of particle production along the thrust axis, as predicted by ‘QCD-motivated’ string-like fragmentation models.
Abreu, P., Cortina Gil, E., DELPHI Collaboration, & et al. (1997). Observation of charge ordering in particle production in hadronic Z0 decay. Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics, 407(2), 174-184. https://doi.org/10.1016/S0370-2693(97)11783-X (Original work published 1997)