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Global Analysis of SSAs and the Impact of the EIC and SoLID on Tensor Charge Extractions

by Daniel Pitonyak

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Authors (as registered SciPost users): Daniel Pitonyak
Submission information
Preprint Link: scipost_202107_00096v2  (pdf)
Date accepted: 2022-03-23
Date submitted: 2022-03-17 12:47
Submitted by: Pitonyak, Daniel
Submitted to: SciPost Physics Proceedings
Proceedings issue: DIS2021
Ontological classification
Academic field: Physics
  • High-Energy Physics - Phenomenology
Approach: Phenomenological


Single transverse-spin asymmetries (SSAs) give great insight into the 3-dimensional structure of hadrons. We report on the first global QCD analysis of SSAs in semi-inclusive deep-inelastic scattering, electron-positron annihilation, Drell-Yan, and single-inclusive proton-proton collisions. One byproduct of the analysis is an extraction of the transversity function, from which the nucleon tensor charges can be computed, and we find, for the first time, agreement with lattice QCD for these quantities. Based on this analysis, we perform an impact study of future data on extractions of the nucleon tensor charges.

Published as SciPost Phys. Proc. 8, 044 (2022)

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Resubmission scipost_202107_00096v2 on 17 March 2022

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