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Measurement E151M865

Experiment: EG4
Year: 2016

Experiment comment:

Final asymmetry results for the ep-> e pi+ (n) channel extracted from CLAS/EG4 data obtained using a longitudinally polarized beam and a longitudinally polarized NH3 target (CAA HS07-02).
Spokesperson: Xiaochao Zheng
Reaction: ep → π+n
Polarization: beam (longitudinal), target (longitudinal)
Quantity: AUL
εL: 0.1687
Q2: 0.1435 GeV2
W: 1535.0 GeV
Ebeam: 2.2596 GeV
ε: 0.8754

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.55 282.0 -0.0668 0.7331
0.65 114.0 -0.6278 0.8487
0.65 234.0 1.0893 0.9517
0.75 102.0 1.6541 1.0913
0.75 114.0 -0.9356 0.8762
0.75 126.0 -0.8184 0.9141
0.75 138.0 -2.4032 0.6527
0.75 222.0 -0.4956 0.8917
0.75 234.0 0.0819 0.8309
0.85 78.0 -0.9335 0.9511
0.85 90.0 -2.2263 0.874
0.85 234.0 2.7531 0.9301
0.85 246.0 -0.4434 0.9335
0.95 210.0 3.2149 2.8519
0.35 66.0 -0.25 0.6233
0.35 78.0 0.1326 0.61
0.35 282.0 0.1724 0.6109
0.55 282.0 -0.3149 0.6326
0.65 102.0 -0.9682 0.5472
0.65 114.0 0.724 0.6763
0.65 126.0 -1.0366 0.6279
0.65 138.0 0.5416 0.7832
0.65 294.0 1.0473 0.7218
0.75 114.0 -0.249 0.6731
0.75 126.0 -0.4716 0.7473
0.75 138.0 -1.6059 0.5878
0.75 210.0 0.9317 0.8346
0.75 222.0 1.9139 0.7049
0.75 234.0 0.8295 0.7649
0.75 246.0 0.5864 0.8087
0.85 78.0 -0.4511 0.6778
0.85 126.0 -0.0891 0.8353
0.85 210.0 0.5594 0.8822
0.85 222.0 1.2671 0.7478
0.85 234.0 -0.4163 0.7076
0.85 246.0 2.3361 0.6717
0.85 258.0 0.1376 0.8412
0.95 210.0 -0.9071 1.3026
0.95 222.0 1.1192 1.3625
0.95 246.0 0.085 1.1193
0.95 258.0 0.6871 1.2593
0.95 270.0 1.9689 1.1851
Created in SINP MSU, CLAS Collaboration