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Measurement E151M1130

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: 0.2167
Q2: 0.4155 GeV2
W: 1685.0 GeV
Ebeam: 2.999 GeV
ε: 0.8348

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty syst. uncert.
0.55 102.0 0.0772 0.7086 0.0305
0.55 306.0 0.4658 0.7804 0.0454
0.65 102.0 -0.8767 0.6462 0.0708
0.65 114.0 -1.156 0.587 0.0897
0.65 222.0 0.2913 0.786 0.0368
0.75 78.0 -0.7831 0.6386 0.0646
0.75 222.0 1.421 0.897 0.1081
0.75 234.0 1.9165 0.8857 0.1433
0.85 66.0 0.4638 0.6293 0.0453
0.85 78.0 -0.4888 0.601 0.0467
0.85 90.0 -0.0493 0.767 0.0302
0.85 198.0 0.6634 0.8267 0.057
0.85 210.0 1.765 0.8225 0.1324
0.85 222.0 0.0884 0.6456 0.0307
0.85 234.0 0.2366 0.6677 0.0346
0.85 246.0 0.2491 0.5496 0.0351
0.85 258.0 -0.1155 0.5707 0.0312
0.85 270.0 0.2024 0.6607 0.0334
0.95 198.0 0.1918 0.6481 0.0331
0.95 210.0 -0.4026 0.6016 0.042
0.95 222.0 0.1933 0.6075 0.0332
0.95 234.0 0.2667 0.5676 0.0358
0.95 246.0 0.4938 0.6459 0.0469
0.95 258.0 -0.245 0.5173 0.0349
0.95 270.0 -0.2 0.547 0.0334
0.95 282.0 0.158 0.5253 0.0321
0.95 294.0 0.4928 0.7012 0.0469
Created in SINP MSU, CLAS Collaboration