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Measurement E151M1790

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: 0.2162
Q2: 0.101 GeV2
W: 1415.0 GeV
Ebeam: 1.9889 GeV
ε: 0.9093

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty syst. uncert.
0.15 66.0 0.0247 0.8322 0.03
0.15 294.0 -1.0342 0.762 0.0695
0.25 54.0 -0.2512 0.9336 0.0336
0.25 66.0 0.0648 0.6512 0.0303
0.25 78.0 0.4369 0.8645 0.04
0.25 282.0 0.7072 0.799 0.0523
0.25 294.0 0.6973 0.6509 0.0518
0.25 306.0 -0.0224 0.7507 0.03
0.35 66.0 0.0477 0.5478 0.0301
0.35 78.0 0.3556 0.6268 0.0369
0.35 90.0 0.3334 0.8398 0.0362
0.35 282.0 0.4195 0.5562 0.0393
0.35 294.0 0.0907 0.5848 0.0305
0.35 306.0 -0.3106 0.6324 0.0354
0.45 66.0 0.8352 0.5842 0.0588
0.45 78.0 -0.9673 0.5489 0.0658
0.45 90.0 -0.4163 0.7295 0.0392
0.45 270.0 -1.194 0.7936 0.0783
0.45 282.0 -0.2947 0.6072 0.0349
0.45 294.0 0.3273 0.6631 0.036
0.55 66.0 -0.6417 0.8703 0.0491
0.55 78.0 -0.1081 0.5558 0.0307
0.55 90.0 1.1209 0.68 0.0743
0.55 114.0 -0.888 0.7055 0.0616
0.55 246.0 -0.0987 0.7898 0.0306
0.55 270.0 -0.0032 0.7413 0.03
0.55 282.0 0.1139 0.6199 0.0308
0.55 294.0 -0.2275 0.6094 0.033
0.65 66.0 0.6423 0.6243 0.0491
0.65 102.0 -0.0323 0.558 0.0301
0.65 114.0 0.7849 0.5148 0.0562
0.65 126.0 0.1701 0.5786 0.0317
0.65 138.0 0.4742 0.7364 0.0415
0.65 210.0 -1.8711 0.7201 0.1173
0.65 222.0 0.8704 0.6748 0.0607
0.65 234.0 0.5591 0.6749 0.0453
0.65 246.0 -0.0634 0.6545 0.0302
0.65 258.0 -0.7655 0.67 0.0552
0.65 270.0 -0.5877 0.6912 0.0466
0.65 282.0 -1.1384 0.7304 0.0752
0.65 294.0 0.2905 0.7368 0.0348
0.65 306.0 1.0697 0.8152 0.0714
0.75 90.0 0.6638 0.6323 0.0502
0.75 102.0 0.08 0.5549 0.0304
0.75 114.0 -0.3271 0.5127 0.036
0.75 126.0 -0.2759 0.5123 0.0343
0.75 138.0 -0.3168 0.6148 0.0356
0.75 150.0 -0.1524 0.8048 0.0314
0.75 198.0 -0.2601 0.804 0.0339
0.75 210.0 -0.0759 0.6826 0.0304
0.75 222.0 0.5772 0.588 0.0461
0.75 234.0 0.7357 0.4626 0.0537
0.75 246.0 -0.3141 0.4507 0.0355
0.75 258.0 0.7068 0.5766 0.0523
0.75 270.0 0.136 0.6557 0.0311
0.85 78.0 0.712 0.7811 0.0525
0.85 90.0 -0.7404 0.6843 0.054
0.85 102.0 -0.0431 0.6833 0.0301
0.85 114.0 0.6991 0.5245 0.0519
0.85 126.0 0.5241 0.563 0.0437
0.85 138.0 0.0692 0.658 0.0303
0.85 150.0 0.7489 0.7136 0.0544
0.85 210.0 -0.534 0.739 0.0441
0.85 222.0 -0.0091 0.5867 0.03
0.85 234.0 -0.8305 0.4795 0.0586
0.85 246.0 -0.298 0.4636 0.035
0.85 258.0 -0.0399 0.4754 0.0301
0.85 270.0 -0.4469 0.5033 0.0404
0.85 282.0 0.2708 0.7094 0.0342
0.95 90.0 -0.7769 0.6554 0.0558
0.95 102.0 0.2416 0.6281 0.0334
0.95 198.0 -0.0835 0.7722 0.0304
0.95 210.0 -0.2671 0.7304 0.0341
0.95 222.0 0.5135 0.6494 0.0432
0.95 234.0 1.085 0.5385 0.0723
0.95 246.0 0.7844 0.5146 0.0562
0.95 258.0 0.349 0.4503 0.0367
0.95 270.0 0.1801 0.5987 0.0319
Created in SINP MSU, CLAS Collaboration