CLAS Physics Database

Measurement E182M28

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: 0.0171 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
1.11 0.1718 0.1046
1.13 0.1591 0.1047
1.15 -0.076 0.0982
1.17 -0.2704 0.0922
1.19 -0.4909 0.0922
1.21 -0.5967 0.0899
1.23 -0.6754 0.087
1.25 -0.4453 0.0749
1.27 -0.3175 0.072
1.29 -0.0682 0.0709
1.31 -0.1164 0.0716
1.33 0.0464 0.0698
1.35 -0.0964 0.0766
1.37 -0.0059 0.0781
1.39 0.0246 0.0841
1.41 -0.2335 0.0905
1.43 -0.2179 0.1002
1.45 -0.4445 0.1134
1.47 -0.1461 0.1345
1.49 -0.252 0.1504
1.51 -0.2455 0.1447
1.53 -0.1201 0.1564
1.55 -0.1649 0.1642
1.57 -0.1024 0.2035
1.59 -0.351 0.2025
1.61 -0.3367 0.2287
1.63 -0.17 0.3031