Year: 2003
Type: report
Abstract: Jefferson Lab experiment E97-103 measured the spin structure function gn2(x,Q2) from a Q2 of 0.58 to 1.36 with a nearly constant x of 0.2. Combining this data with a fit to the world gn1 data, the size of higher twist contributions to the spin structure functions can be extracted using the Wandzura-Wilczek relation. These higher twist contributions result from quark-gluon correlations and are expected to be larger as Q2 decreases. This experiment was performed in Hall A with a longitudinally polarized electron beam and a high density polarized 3He target. The physics motivation and an overview of the experiment will be presented.
DOI: 10.2172/1054163
Institution: William & Mary
Language: English
Subfield: Nuclear and High Energy Physics
Field: Physics and Astronomy
Domain: Physical Sciences
Open Access status: gold
OpenAlex ID: W2555425261