Interference Fragmentation in SIDIS, pp and e+
This review highlights some recent developments in the measurement of the transverse-spin-dependent Interference Fragmentation Functions and di-hadron correlations in semi-inclusive deep inelastic scattering and proton-proton scattering. The latter measurements can be used to extract transversity using measurements of the fragmentation function in e+e- annihilation. Di-hadron correlations have been measured in pp at PHENIX and lepton-proton and lepton-deuteron scattering at HERMES and COMPASS. The Interference Fragmentation Function has recently been measured at the Belle experiment. The emphasis of this article will be the Belle and PHENIX results, as these results are not presented in other contributions to this volume. © Societa Italiana di Fisica.
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