Study of the worm-gear-T function g1T with semi-inclusive DIS data

URN to cite this document:: urn:nbn:de:bvb:355-epub-555068
DOI to cite this document:: 10.5283/epub.55506

Horstmann, Malin ; Schäfer, Andreas ; Vladimirov, Alexey

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Date of publication of this fulltext: 09 Feb 2024 07:27

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Abstract

The worm-gear-T function parametrizes the probability of finding a longitudinally polarized quark inside a transversely polarized hadron. We extract it from data on polarized semi-inclusive deep-inelastic scattering measured at COMPASS , HERMES. As a theoretical model, we use a Wandzura-Wilczek-type approximation at next-to-leading order. We find that at present, the data quality is insufficient ...