CLAS Physics Database

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Measurement E128M2

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Experiment: E1b(E-91-023), 2001

Spokespersons: V. Burkert, D. Crabb, R. Minehart

Publication:

Y. Prok, P. Bosted, V. Burkert, A. Deur, V. Dharmawardane, G. Dodge, K. Griffoen, S. Kuhn, R. Minehart and CLAS Collaboration Moments of the Spin Structure Functions g₁^p and g₁^d for 0.05 < Q² < 3.0 GeV². // Phys. Lett. B 672, 12 (2009)

Quantity measured: Γ₁^p_extrp, dimensionless
Extrapolated first moment of polarized spin structure function g₁^p.
Beam: e, polarization: polarized
Target: p (Z=1, A=1), polarization: longitudinal
Final state: inclusive, polarization: none

Q² :	0.05 — 4.2 GeV²

Observable quantity measured (Y axis): Γ₁^p_extrp, dimensionless
Plot measurement data

Parameter (X axis): Q², GeV2

Click here to get data in text file, delimited with tabs.

Measured data:

Q², GeV2	Γ₁^p_extrp, dimensionless	Data errors, dimensionless	Systematic errors, dimensionless
0.05	0	0.0021	0.0047
0.06	0	0.0017	0.0062
0.07	0	0.002	0.0049
0.084	0.0002	0.002	0.0067
0.1	0.0003	0.002	0.0053
0.12	0.0009	0.0022	0.0055
0.14	0.0017	0.0023	0.0067
0.17	0.0032	0.0021	0.0089
0.2	0.0051	0.0014	0.0074
0.24	0.0086	0.0012	0.0081
0.3	0.0144	0.001	0.008
0.35	0.0189	0.001	0.0086
0.42	0.027	0.001	0.0089
0.5	0.0355	0.0009	0.0089
0.6	0.0445	0.001	0.0094
0.7	0.0157	0.0038	0.0079
0.84	0.0208	0.003	0.0073
1	0.0261	0.0028	0.0072
1.2	0.0334	0.0025	0.0072
1.4	0.0398	0.002	0.007
1.7	0.05	0.0016	0.0065
2	0.0612	0.0013	0.0061
2.4	0.0732	0.0011	0.0055
3	0.0897	0.0009	0.0052
3.5	0.1019	0.0008	0.0051
4.2	0.1158	0.0009	0.0054