CLAS Physics Database

Measurement E182M26

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: 0.012 GeV2
W: 1.11 — 1.47 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 0.1448 0.1203
1.13 -0.1189 0.1441
1.15 -0.1458 0.1438
1.17 -0.2479 0.1368
1.19 -0.8537 0.1554
1.21 -0.6873 0.161
1.23 -1.007 0.1541
1.25 -0.5884 0.1482
1.27 -0.2193 0.144
1.29 -0.1382 0.15
1.31 -0.3385 0.1409
1.33 0.2482 0.141
1.35 -0.132 0.158
1.37 0.101 0.1703
1.39 -0.1896 0.1925
1.41 0.0462 0.2134
1.43 -0.3367 0.2343
1.45 -0.2908 0.2571
1.47 -0.1274 0.4793