CLAS Physics Database

Measurement E182M31

Experiment: Measurement of the Proton Spin Structure at Long Distances
Year: 2021
Spokesperson: X. Zheng et al. (CLAS Collaboration)
Reaction: ep → inclusive
Polarization: beam, target (longitudinal)
Quantity: A1·F1
Q2: 0.029 GeV2
W: 1.11 — 1.63 GeV
Publication:
X. Zheng et al. (CLAS Collaboration) Measurement of the Proton Spin Structure at Long Distances //

Measurement data
W A1·F1 uncertainty syst. uncert.
1.11 0.1071 0.054 0.0478
1.13 0.04 0.0564 0.0174
1.15 -0.1089 0.0563 0.0273
1.17 -0.3779 0.058 0.0534
1.19 -0.4729 0.0584 0.0486
1.21 -0.5787 0.0571 0.0428
1.23 -0.6371 0.0561 0.0501
1.25 -0.4708 0.0557 0.0451
1.27 -0.259 0.055 0.0328
1.29 -0.1189 0.0525 0.0332
1.31 -0.0577 0.0518 0.0334
1.33 0.0013 0.0507 0.0443
1.35 -0.0651 0.0511 0.0512
1.37 -0.0762 0.0534 0.0498
1.39 -0.0437 0.0571 0.0324
1.41 -0.0864 0.0609 0.0303
1.43 -0.0637 0.0667 0.0343
1.45 -0.1818 0.0726 0.025
1.47 -0.1586 0.1062 0.0204
1.49 -0.1336 0.1144 0.0439
1.51 -0.1995 0.1243 0.0661
1.53 -0.1154 0.1221 0.0172
1.55 -0.2453 0.1187 0.0297
1.57 0.0968 0.1309 0.0438
1.59 0.1989 0.1538 0.0482
1.61 -0.0915 0.1682 0.0354
1.63 -0.0907 0.2152 0.1241