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Measurement E182M22

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

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

Publication:

Quantity measured: g1,
Polarized inclusive structure function
Beam: e, polarization: polarized
Target: p (Z=1, A=1), polarization: longitudinal
Final state: inclusive, polarization: none

Q2 : 0.494 GeV2
W : 1.11 — 2.21 GeV

Observable quantity measured (Y axis): g1,
Plot measurement data

Parameter (X axis): W,

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

Measured data:

W g1 Data errors Systematic errors
1.11 0.0046 0.0158 0.0025
1.13 0.0061 0.0286 0.0053
1.15 -0.0186 0.0249 0.0053
1.17 -0.0084 0.0286 0.0112
1.19 -0.166 0.0332 0.0076
1.21 -0.1456 0.0384 0.0099
1.23 -0.0862 0.0334 0.0061
1.25 -0.0851 0.0304 0.0077
1.27 -0.0303 0.0308 0.008
1.29 0.0407 0.0311 0.0083
1.31 0.0362 0.0309 0.0147
1.33 -0.0023 0.0284 0.032
1.35 0.0869 0.0279 0.0143
1.37 0.0501 0.029 0.0138
1.39 0.0894 0.0316 0.0148
1.41 0.0875 0.0293 0.0145
1.43 0.1597 0.0327 0.0171
1.45 0.1678 0.0363 0.0197
1.47 0.1826 0.0437 0.0236
1.49 0.2145 0.0433 0.0293
1.51 0.2517 0.0455 0.0301
1.53 0.2147 0.0475 0.0259
1.55 0.1383 0.0461 0.0262
1.57 0.0899 0.0475 0.0254
1.59 0.1964 0.0393 0.0335
1.61 0.0799 0.0465 0.0271
1.63 0.1128 0.0492 0.041
1.65 0.1807 0.0486 0.0182
1.67 0.0464 0.0501 0.0215
1.69 0.145 0.0422 0.024
1.71 0.146 0.0474 0.0168
1.73 0.0758 0.0462 0.0071
1.75 0.0592 0.0477 0.0248
1.77 0.1194 0.0451 0.011
1.79 0.1866 0.0463 0.0153
1.81 0.0561 0.0478 0.0154
1.83 0.1252 0.053 0.0188
1.85 0.0944 0.0603 0.019
1.87 0.0479 0.0513 0.0157
1.89 0.0446 0.054 0.0156
1.91 -0.0493 0.057 0.0244
1.93 0.0405 0.0571 0.0186
1.95 -0.0688 0.0684 0.0316
1.97 -0.0262 0.0667 0.0318
1.99 0.1186 0.0659 0.0205
2.01 0.0681 0.0668 0.0195
2.03 0.073 0.0904 0.0181
2.05 0.1558 0.1044 0.0186
2.07 -0.0509 0.1873 0.0889
2.09 0.2465 0.1949 0.1794
2.11 0.1068 0.1825 0.0317
2.13 0.0717 0.1281 0.0367
2.15 0.106 0.0741 0.0347
2.17 -0.0195 0.0812 0.0373
2.19 0.1617 0.1431 0.0749
2.21 0.0381 0.2129 0.0173