Impact of Future Dihadron Production Measurements on the Transversity Distributions and Tensor Charges of the Nucleon
Abstract
We assess the impact of future measurements of dihadron production in semi-inclusive deep-inelastic scattering from the CLAS12 and proposed SoLID experiments at Jefferson Lab, as well as from the ePIC experiment at the future Electron-Ion Collider (EIC), on the transversity parton distribution functions (PDFs) and the corresponding tensor charges of the nucleon. To this end, we generate pseudo-data for these experiments for a proton target (CLAS12 and ePIC) and a 3He target (SoLID and ePIC), and we include these pseudo-data in the JAMDiFF global analysis of existing experimental dihadron data. We find that future data from Jefferson Lab will significantly reduce uncertainties in the transversity PDFs in the region of intermediate-to-large quark momentum fractions x, while the EIC will provide strong constraints across the entire range of x, allowing for the first experimental test of the predicted small-x behavior of the transversity PDFs. In discussing the reduction of uncertainties in the tensor charges, we also compare the results from the data analyses with those from lattice QCD, highlighting scenarios in which compatibility or tension between the two would arise.
Versions
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BibTeX
@misc{sawaya2026impact,
title = {{Impact of Future Dihadron Production Measurements on the Transversity Distributions and Tensor Charges of the Nucleon}},
author = {Yorgo Sawaya and Christina Cocuzza and Gregory Matousek and Matthew McEneaney and Andreas Metz and Daniel Pitonyak and Alexei Prokudin and Nobuo Sato and Anselm Vossen},
howpublished = {arXiv},
year = {2026},
month = oct,
doi = {10.48550/arxiv.2606.00362},
eprint = {2606.00362},
archivePrefix = {arXiv},
url = {https://arxiv.org/abs/2606.00362},
}
RIS
TY - UNPB
TI - Impact of Future Dihadron Production Measurements on the Transversity Distributions and Tensor Charges of the Nucleon
AU - Yorgo Sawaya
AU - Christina Cocuzza
AU - Gregory Matousek
AU - Matthew McEneaney
AU - Andreas Metz
AU - Daniel Pitonyak
AU - Alexei Prokudin
AU - Nobuo Sato
AU - Anselm Vossen
PY - 2026
DA - 2026/10/03
PB - arXiv
DO - 10.48550/arxiv.2606.00362
UR - https://arxiv.org/abs/2606.00362
AB - We assess the impact of future measurements of dihadron production in semi-inclusive deep-inelastic scattering from the CLAS12 and proposed SoLID experiments at Jefferson Lab, as well as from the ePIC experiment at the future Electron-Ion Collider (EIC), on the transversity parton distribution functions (PDFs) and the corresponding tensor charges of the nucleon. To this end, we generate pseudo-data for these experiments for a proton target (CLAS12 and ePIC) and a ^3He target (SoLID and ePIC), and we include these pseudo-data in the JAMDiFF global analysis of existing experimental dihadron data. We find that future data from Jefferson Lab will significantly reduce uncertainties in the transversity PDFs in the region of intermediate-to-large quark momentum fractions x, while the EIC will provide strong constraints across the entire range of x, allowing for the first experimental test of the predicted small-x behavior of the transversity PDFs. In discussing the reduction of uncertainties in the tensor charges, we also compare the results from the data analyses with those from lattice QCD, highlighting scenarios in which compatibility or tension between the two would arise.
ER -