CLAS Physics Database

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Measurement E182M33

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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: A₁·F₁,

Beam: e, polarization: polarized
Target: p (Z=1, A=1), polarization: longitudinal
Final state: inclusive, polarization: none

Q² :	0.0414 GeV²
W :	1.11 — 1.93 GeV

Observable quantity measured (Y axis): A₁·F₁,
Plot measurement data

Parameter (X axis): W,

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

Measured data:

W	A₁·F₁	Data errors	Systematic errors
1.11	0.0833	0.0446	0.0189
1.13	0.0331	0.046	0.0151
1.15	-0.1196	0.0526	0.037
1.17	-0.193	0.0539	0.0458
1.19	-0.5759	0.0569	0.0707
1.21	-0.7773	0.0577	0.0574
1.23	-0.5699	0.0552	0.0543
1.25	-0.4403	0.0526	0.0494
1.27	-0.2906	0.0483	0.0362
1.29	-0.1768	0.0473	0.0334
1.31	-0.1034	0.0446	0.0343
1.33	-0.0295	0.0438	0.0403
1.35	-0.048	0.0452	0.0408
1.37	-0.0229	0.0473	0.0413
1.39	-0.0615	0.0475	0.0237
1.41	-0.1237	0.0513	0.0249
1.43	-0.2048	0.0559	0.0275
1.45	-0.1411	0.0651	0.0205
1.47	-0.2468	0.0804	0.0195
1.49	-0.3383	0.081	0.0424
1.51	-0.2356	0.0819	0.035
1.53	-0.0643	0.0827	0.0208
1.55	-0.096	0.0905	0.0172
1.57	-0.1382	0.0993	0.0363
1.59	-0.1966	0.1064	0.0406
1.61	0.0094	0.1161	0.0417
1.63	0.0994	0.1357	0.0712
1.65	-0.3584	0.3255	0.0233
1.67	-0.2895	0.3651	0.0214
1.69	-0.2887	0.3411	0.0188
1.71	-0.223	0.3532	0.0186
1.73	-0.1108	0.3982	0.0188
1.75	-0.1934	0.3622	0.0172
1.77	-0.325	0.3984	0.0241
1.79	0.0382	0.4081	0.013
1.81	0.282	0.4685	0.0254
1.83	-0.2105	0.5268	0.0191
1.85	0.6377	0.5815	0.0407
1.87	0.0863	0.6827	0.0357
1.89	0.687	0.7748	0.0977
1.91	-0.1071	0.7871	0.0427
1.93	0.0543	1.1309	0.1393