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PreprintCC BY 4.0arXiv

Exploring nucleon spin by Drell-Yan process

  • Wen-Chen Chang
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Abstract

Contributions of parton's orbital motion to the nucleon spin are encoded in the transverse-momentum dependent distributions (TMDs) and generalized parton distributions (GPDs). Currently these distributions are accessed through the lepton-induced processes such as semi-inclusive deep-inelastic scattering (SIDIS) and deeply virtual Compton Scattering (DVCS). The (un)polarized Drell-Yan process with hadron beams provides a unique and complementary probe, enabling critical tests of the universality properties of TMDs and GPDs in the space-like and time-like approaches. This talk reviews recent results of TMDs obtained from the Drell-Yan measurements and discusses future prospects for accessing nucleon GPDs through measurements of the exclusive pion-induced Drell-Yan process at J-PARC.

Versions

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Cite

BibTeXRIS
BibTeX
@misc{chang2026exploring,
  title = {{Exploring nucleon spin by Drell-Yan process}},
  author = {Wen-Chen Chang},
  howpublished = {arXiv},
  year = {2026},
  month = sep,
  doi = {10.48550/arxiv.2609.16883},
  eprint = {2609.16883},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2609.16883},
  note = {CC BY 4.0},
}
RIS
TY  - UNPB
TI  - Exploring nucleon spin by Drell-Yan process
AU  - Wen-Chen Chang
PY  - 2026
DA  - 2026/09/15
PB  - arXiv
DO  - 10.48550/arxiv.2609.16883
UR  - https://arxiv.org/abs/2609.16883
AB  - Contributions of parton's orbital motion to the nucleon spin are encoded in the transverse-momentum dependent distributions (TMDs) and generalized parton distributions (GPDs). Currently these distributions are accessed through the lepton-induced processes such as semi-inclusive deep-inelastic scattering (SIDIS) and deeply virtual Compton Scattering (DVCS). The (un)polarized Drell-Yan process with hadron beams provides a unique and complementary probe, enabling critical tests of the universality properties of TMDs and GPDs in the space-like and time-like approaches. This talk reviews recent results of TMDs obtained from the Drell-Yan measurements and discusses future prospects for accessing nucleon GPDs through measurements of the exclusive pion-induced Drell-Yan process at J-PARC.
ER  -