SANE Of Jefferson Lab: Spin Asymmetries on the Nucleon Experiment
The Spin Asymmetry on the Nucleon Experiment (SANE) at Jefferson Lab measures proton spin observables A1p, A2p and structure functions g1p and g2p over a broad range of Bjorken scaling variable x from 0.3 to 0.8, for four-momentum transfers ranging from 2.5 GeV2 to 6.5 GeV2. Inclusive double spin asymmetries were measured by scattering 4.7 and 5.9-GeV longitudinally polarized electron beam off a polarized solid NH3 target, in both parallel and near-perpendicular configuration. Scattered electrons were detected using a novel non-magnetic detector array with 194-msr acceptance. This paper presents the physics motivation for the experiment, the detector performance, and the latest status of the ongoing data analysis.
- Research Organization:
- Thomas Jefferson National Accelerator Facility, Newport News, VA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC)
- DOE Contract Number:
- AC05-06OR23177
- OSTI ID:
- 1021913
- Report Number(s):
- JLAB-PHY-10-1162; DOE/OR/23177-1721
- Journal Information:
- AIP Conference Proceedings, Journal Name: AIP Conference Proceedings Vol. 1350
- Country of Publication:
- United States
- Language:
- English
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