CLAS Physics Database

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Measurement E182M66

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Experiment: Measurement of the Proton Spin Structure at Long Distances, 2021

Spokespersons: X. Zheng et al. (CLAS Collaboration)

Publication:

X. Zheng et al. (CLAS Collaboration) Measurement of the Proton Spin Structure at Long Distances //

Quantity measured: γ₀^p_tot,
Total generalized forward spin polarizability.
Beam: e, polarization: polarized
Target: p (Z=1, A=1), polarization: longitudinal
Final state: inclusive, polarization: none

Q² :	0.012 — 0.84121 GeV²
W :	1.11 — 1.29 GeV

Observable quantity measured (Y axis): γ₀^p_tot,
Plot measurement data

Parameter (X axis): Q²,

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

Measured data:

Q²	γ₀^p_tot	Data errors	Systematic errors	Full errors
0.012	-2.248181	0.2926	0.1917	0.3498
0.0143	-1.746419	0.2603	0.171	0.3114
0.0171	-1.523704	0.1782	0.1429	0.2284
0.0204	-1.685296	0.1323	0.1497	0.1998
0.0244	-1.795141	0.1176	0.1481	0.1891
0.029	-1.504457	0.1026	0.1522	0.1835
0.0347	-1.562163	0.0904	0.1532	0.1779
0.0414	-1.380127	0.0888	0.1592	0.1823
0.0494	-1.409763	0.0827	0.1684	0.1877
0.059	-1.413144	0.079	0.1824	0.1987
0.0705	-1.403244	0.0722	0.1933	0.2063
0.0841	-1.272783	0.0661	0.1977	0.2085
0.1005	-1.154683	0.0555	0.1927	0.2006
0.12	-1.024377	0.0545	0.1732	0.1816
0.143	-0.849948	0.0546	0.1577	0.1669
0.1708	-0.765287	0.0375	0.1362	0.1413
0.2042	-0.565003	0.0403	0.1175	0.1242
0.2436	-0.424403	0.0412	0.0739	0.0846
0.2904	-0.317999	0.0242	0.0535	0.0587
0.3466	-0.197505	0.0209	0.0243	0.032
0.4139	-0.159635	0.0167	0.0149	0.0223
0.494	-0.060596	0.013	0.0087	0.0157
0.5902	-0.026469	0.0086	0.0096	0.0129
0.7047	-0.01191	0.0084	0.0079	0.0115
0.8412	-0.001664	0.0029	0.0045	0.0053