CLAS Physics Database

Measurement E82M9

Experiment: E91-023 CLAS experiment
Year: 1998

Measurement comment:

The first moment of the spin structure function G1 obtained by using the inclusive scattering model to extend down to X = 10**-5.
Spokesperson: R. Fatemi
Reaction: ep → inclusive
Polarization: none
Quantity: Γ1d
Q2: 1.1 — 1.64 GeV2
W: 2.0 — 2.6 GeV
x: 0.0
Publication:
R. Fatemi, A.V. Skabelin, V. D. Burkert, D. Crabb, R. DeVita, S. E. Kuhn, R. Minehart and CLAS Collaboration Measurement of the Spin Structure Functions in the Resonance Region for Q2 from 0.15 to 1.6 GeV2 // PRL 91 (2003) 222002

Slice: Q2 = GeV2

Measurement data
Q2, [GeV2] W, [GeV] Γ1d uncertainty
0.16612 2.0 0.00275 -0.01609
0.20024 2.0 0.00405 -0.01807
0.24535 2.1 0.00554 -0.00205
0.29923 2.1 0.00826 -0.0038
0.37027 2.6 0.00795 0.0158
0.47042 2.6 0.01205 0.03378
0.54873 2.5 0.01637 0.04423
0.66412 2.5 0.02142 0.05632
0.81167 2.4 0.0299 0.07108
0.98643 2.4 0.03768 0.08397
1.20255 2.3 0.04993 0.0929