How to determine nucleon polarization at existing collider experiments?
We propose a novel approach to measure the spin polarization of protons produced in electron-positron collisions. Using existing tracking devices and supporting structure material, general-purpose spectrometers can be utilized as a large-acceptance polarimeter without a hardware upgrade. With the proposed approach, the spin polarization of protons can be revealed, providing a complementary and accurate description of the final-state particles. This could have far-reaching implications, such as enabling the complete determination of the nucleon timelike electromagnetic form factors.
Authors
- Hai-Bo Li (ORCID: https://orcid.org/0000-0002-6940-8093)
- Y. F. Liang (ORCID: https://orcid.org/0000-0003-3442-4701)
- B. Gou (ORCID: https://orcid.org/0000-0002-8918-3514)
- Xin Lv
Institutions
- Uppsala University (SE)
- National Centre for Nuclear Research (PL)
- Institute of Modern Physics (CN)
- University of Chinese Academy of Sciences (CN)
Publication Details
- Journal
- Physical review. D/Physical review. D.
- Published
- 2025-08-27
- DOI
- https://doi.org/10.1103/c642-1lzb
- Citations
- 1
- Primary Topic
- Particle physics theoretical and experimental studies
- Type
- article
- Field-Weighted Citation Impact
- 1.87
Funders
- National Natural Science Foundation of China
- Narodowe Centrum Nauki
- Vetenskapsrådet
- Beijing Municipal Natural Science Foundation
- National Key Research and Development Program of China