CLAS Physics Database

Measurement E182M63

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: Γ1ptot
Q2: 0.012 — 0.84121 GeV2
W: 1.11 — 1.29 GeV
Publication:
X. Zheng et al. (CLAS Collaboration) Measurement of the Proton Spin Structure at Long Distances //

Measurement data
Q2 Γ1ptot uncertainty syst. uncert.
0.012 -0.00615 0.00067 0.0006
0.0143 -0.00631 0.00068 0.00061
0.01708 -0.00695 0.00056 0.0002
0.02042 -0.00848 0.00053 0.00021
0.02436 -0.01041 0.00056 0.00026
0.02904 -0.00942 0.00057 0.00023
0.03466 -0.01222 0.00059 0.00027
0.04139 -0.01219 0.00119 0.00029
0.0494 -0.01452 0.00125 0.00029
0.05902 -0.01585 0.00126 0.00033
0.07047 -0.01832 0.00139 0.00038
0.08412 -0.01949 0.00151 0.00048
0.10054 -0.01978 0.00114 0.00082
0.12004 -0.0176 0.00137 0.00097
0.14295 -0.01733 0.00162 0.00117
0.1708 -0.01493 0.00143 0.00145
0.20421 -0.01274 0.00188 0.00151
0.24355 -0.00342 0.00205 0.00149
0.29038 0.00394 0.00196 0.00227
0.34662 0.01414 0.00218 0.00228
0.41389 0.01938 0.00243 0.00299
0.49404 0.03663 0.0026 0.00373
0.59017 0.04879 0.00261 0.00524
0.70473 0.06261 0.00293 0.00684
0.84121 0.07757 0.00227 0.0037