Unique Description for Single Transverse Spin Asymmetries in DIS and Hadronic Collisions
Journal Article
·
· AIP Conference Proceedings
- RIKEN/BNL Research Center, Building 510A, Brookhaven National Laboratory, Upton, NY 11973 (United States)
We derive a unique formula for the single-transverse-spin asymmetry in semi-inclusive hadron production in deep inelastic scattering, valid for all transverse momentum region. Based on this, we further study the integrated asymmetry weighted with transverse-momentum. They can be evaluated in terms of the twist-three quark-gluon correlation functions, which are responsible for the single spin asymmetry in single inclusive hadron production in hadronic collisions. By using the fitted twist-three functions from the hadronic collision data, we find a consistent description for SSAs in deep inelastic scattering. This demonstrates that we have a unique picture for SSAs in these two processes, and shall provide important guidelines for future studies.
- OSTI ID:
- 21063973
- Journal Information:
- AIP Conference Proceedings, Journal Name: AIP Conference Proceedings Journal Issue: 1 Vol. 915; ISSN 0094-243X; ISSN APCPCS
- Country of Publication:
- United States
- Language:
- English
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