Spin-Flavor Decomposition in Polarized Semi-Inclusive Deep Inelastic Scattering Experiments at Jefferson Lab
Conference
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OSTI ID:891610
A Jefferson Lab experiment proposal was discussed in this talk. The experiment is designed to measure the beam-target double-spin asymmetries A^h_1n in semi-inclusive deep-inelastic {vec}n({vec}e, e' pi^+)X and {vec}n({vec}e, e' pi^-)X reactions on a longitudinally polarized ^3He target. In addition to A^h_1n, the flavor non-singlet combination A[^pi^+][_1n][^-pi^+], in which the gluons do not contribute, will be determined with high precision to extract Delta d[_v](x) independent of the knowledge of the fragmentation functions. The data will also impose strong constraints on quark and gluon polarizations through a global NLO QCD fit.
- Research Organization:
- Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
- Sponsoring Organization:
- USDOE - Office of Energy Research (ER)
- DOE Contract Number:
- AC05-84ER40150
- OSTI ID:
- 891610
- Report Number(s):
- JLAB-PHY-06-538; DOE/ER/40150-4035; TRN: US0703477
- Resource Relation:
- Conference: 1st Workshop On Quark-Hadron Duality And The Transition To PQCD, 6-8 Jun 2005, Frascati, Rome, Italy
- Country of Publication:
- United States
- Language:
- English
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