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Measurement E151M345

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: 0.284
Q2: 0.205 GeV2
W: 1415.0 GeV
Ebeam: 1.3383 GeV
ε: 0.6925

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty syst. uncert.
0.65 234.0 0.6166 0.715 0.0486
0.65 246.0 0.7707 0.738 0.0564
0.65 258.0 0.4124 0.7041 0.0394
0.75 102.0 0.4821 0.7647 0.0423
0.75 114.0 -0.2385 0.7047 0.0334
0.75 138.0 -0.6246 0.6733 0.0489
0.75 162.0 -0.1534 0.7538 0.0315
0.75 234.0 -1.2766 0.5323 0.0845
0.75 246.0 0.4719 0.6016 0.0419
0.75 270.0 0.5049 0.6642 0.0433
0.85 114.0 -0.6175 0.6934 0.0486
0.85 138.0 -1.0599 0.6459 0.0722
0.85 246.0 0.0129 0.5896 0.03
0.85 258.0 0.3055 0.5911 0.0355
0.85 270.0 0.2313 0.5875 0.0332
0.95 78.0 -0.8846 0.5589 0.0625
0.95 90.0 -0.185 0.5724 0.0321
0.95 270.0 -0.5313 0.5792 0.0445
0.95 282.0 -0.5574 0.5255 0.0457
0.55 246.0 1.8306 1.4157 0.1142
0.55 258.0 -0.1912 0.9934 0.0321
0.55 270.0 0.934 1.1909 0.0637
0.65 246.0 1.7294 1.4432 0.1084
0.65 258.0 -0.714 0.661 0.0524
0.75 126.0 -0.434 0.9421 0.0398
0.75 222.0 0.2152 1.0313 0.0327
0.75 234.0 0.198 1.0201 0.0323
0.75 246.0 -0.5827 0.6196 0.0462
0.75 258.0 -1.3896 0.4683 0.0889
0.75 270.0 0.603 0.9836 0.0471
0.85 114.0 -0.6819 0.8946 0.0509
0.85 150.0 -0.8889 0.764 0.0614
0.85 270.0 -0.3238 0.7283 0.0358
0.85 282.0 0.2799 0.9578 0.0344
0.85 294.0 1.8991 1.2256 0.1182
Created in SINP MSU, CLAS Collaboration