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Measurement E151M2230

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: ALL
εL: 0.6431
Q2: 0.4155 GeV2
W: 1385.0 GeV
Ebeam: 2.999 GeV
ε: 0.9283

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty
0.15 66.0 -0.5991 0.9024
0.25 54.0 0.2985 0.8806
0.45 78.0 0.9952 0.8317
0.45 90.0 0.6842 0.7898
0.55 78.0 -0.1473 0.7121
0.55 90.0 -0.5169 0.6665
0.55 102.0 0.4953 0.9226
0.55 282.0 -0.7585 0.8799
0.65 66.0 0.2913 0.7655
0.65 78.0 0.5112 0.7368
0.65 90.0 -0.0553 0.6477
0.65 102.0 -0.6877 0.6755
0.65 114.0 0.6922 0.8933
0.65 258.0 1.2341 0.7466
0.65 270.0 0.4876 0.6824
0.65 282.0 0.0501 0.6927
0.75 54.0 -0.9232 0.6736
0.75 78.0 0.2767 0.6348
0.75 90.0 0.3191 0.6604
0.75 102.0 0.8396 0.6169
0.75 114.0 1.4559 0.7792
0.75 126.0 -2.0522 0.742
0.75 234.0 -0.166 0.7221
0.75 246.0 0.9593 0.6439
0.75 258.0 1.3235 0.5372
0.75 270.0 0.7398 0.6023
0.75 282.0 -1.1747 0.6364
0.75 294.0 0.8523 0.5768
0.75 306.0 0.3342 0.9327
0.85 42.0 0.8292 0.7599
0.85 54.0 0.1808 0.8131
0.85 66.0 -0.5975 0.923
0.85 78.0 -0.0695 0.6438
0.85 90.0 1.1189 0.8027
0.85 102.0 -0.5157 0.6387
0.85 114.0 0.2689 0.7165
0.85 126.0 0.6983 0.8053
0.85 210.0 0.4002 0.8811
0.85 222.0 0.9353 0.701
0.85 234.0 -0.2091 0.6744
0.85 246.0 -0.3498 0.5705
0.85 258.0 0.72 0.559
0.85 270.0 -0.3396 0.5357
0.85 282.0 0.9506 0.525
0.85 294.0 -0.4291 0.501
0.85 306.0 1.6645 0.5034
0.85 318.0 -0.3196 0.6008
0.95 90.0 0.2397 0.8998
0.95 102.0 -1.0026 0.7103
0.95 114.0 1.2866 0.8873
0.95 198.0 0.9244 0.7985
0.95 222.0 0.2286 0.8591
0.95 234.0 0.2403 0.62
0.95 246.0 0.914 0.7642
0.95 258.0 0.7735 0.7449
0.95 270.0 0.0508 0.663
0.95 282.0 0.1354 0.641
0.95 294.0 0.6841 0.7019
0.95 306.0 -0.8354 0.5718
0.95 318.0 0.5303 0.614
0.95 342.0 -0.5525 0.6329
Created in SINP MSU, CLAS Collaboration