The Neutron and {sup 3}He Spin Structure Functions at Low Q{sup 2}

Journal Article · Tue Aug 04 04:00:00 EDT 2009 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.3215653· OSTI ID:21316917

Sulkosky, Vincent A

Experiment E97-110 was performed at the Thomas Jefferson National Accelerator Facility in Hall A to provide a precise measurement of the moments of the neutron and {sup 3}He spin structure functions. A longitudinally-polarized electron beam was scattered from a longitudinally or transversely polarized {sup 3}He target. The extended Gerasimov-Drell-Hearn integral and other moments of the neutron and {sup 3}He spin structure functions were extracted at very low momentum transfers (0.02<Q{sup 2}<0.3 [GeV/c]{sup 2}). These data allow us to make a benchmark check of Chiral Perturbation Theory calculations in a region where they are expected to be valid. In these proceedings, the experimental details are discussed and preliminary results on the moments of the spin structure functions are presented.

• OSTI ID: 21316917
• Journal Information: AIP Conference Proceedings, Journal Name: AIP Conference Proceedings Journal Issue: 1 Vol. 1149; ISSN APCPCS; ISSN 0094-243X
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BENCHMARKS
CEBAF ACCELERATOR
CHIRAL SYMMETRY
CHIRALITY
ELECTRON BEAMS
ELECTRON-NUCLEON INTERACTIONS
FOUR MOMENTUM TRANSFER
GEV RANGE
HELIUM 3
HELIUM 3 TARGET
NEUTRONS
PERTURBATION THEORY
POLARIZATION
POLARIZED BEAMS
POLARIZED TARGETS
SPIN
STRUCTURE FUNCTIONS