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Measurement E151M1804

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: 0.1382
Q2: 0.0707 GeV2
W: 1445.0 GeV
Ebeam: 1.9889 GeV
ε: 0.9062

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty
0.05 30.0 -1.5157 0.697
0.15 30.0 0.0827 0.8577
0.15 42.0 -0.8354 0.8411
0.15 66.0 1.7753 0.7558
0.15 306.0 -1.0641 0.7739
0.25 18.0 0.7085 0.7894
0.25 42.0 0.0692 0.8525
0.25 54.0 -0.5805 0.7181
0.25 66.0 -0.8467 0.6076
0.25 78.0 0.0124 0.5957
0.25 282.0 0.7298 0.517
0.25 294.0 -0.1159 0.6071
0.25 306.0 0.1913 0.7492
0.35 18.0 0.6407 0.8598
0.35 54.0 -0.6785 0.8678
0.35 66.0 -0.6036 0.4475
0.35 78.0 -0.6266 0.5136
0.35 90.0 0.048 0.6681
0.35 270.0 0.2853 0.696
0.35 282.0 0.1601 0.5353
0.35 294.0 -0.1397 0.4487
0.35 306.0 0.5059 0.6241
0.45 66.0 0.8602 0.5453
0.45 78.0 0.3726 0.4603
0.45 90.0 -0.3557 0.5605
0.45 102.0 -1.2934 0.7694
0.45 258.0 1.2758 0.643
0.45 270.0 0.2291 0.5236
0.45 282.0 -0.1326 0.4138
0.45 294.0 0.3477 0.4416
0.45 306.0 -0.5061 0.7282
0.55 66.0 -0.4503 0.6544
0.55 78.0 -0.939 0.5166
0.55 90.0 0.0643 0.5247
0.55 102.0 0.4092 0.6001
0.55 114.0 0.241 0.5554
0.55 126.0 1.159 0.6657
0.55 138.0 -0.5253 0.6582
0.55 222.0 0.5344 0.7841
0.55 234.0 -0.2858 0.6656
0.55 246.0 0.6583 0.6389
0.55 258.0 0.3418 0.5575
0.55 270.0 -0.8324 0.4372
0.55 282.0 -0.149 0.4184
0.55 294.0 -0.1887 0.6044
0.65 66.0 1.535 0.5315
0.65 78.0 1.2939 0.6256
0.65 90.0 -0.487 0.653
0.65 102.0 0.7476 0.7277
0.65 114.0 -0.1007 0.4798
0.65 126.0 1.7994 0.4692
0.65 138.0 1.2731 0.515
0.65 150.0 0.3505 0.7319
0.65 198.0 -0.2397 0.8138
0.65 210.0 0.0751 0.7048
0.65 222.0 -0.0712 0.5523
0.65 234.0 -0.675 0.496
0.65 246.0 -1.6491 0.4944
0.65 258.0 0.2164 0.5188
0.65 270.0 0.7004 0.5356
0.65 282.0 0.8609 0.6249
0.65 294.0 0.8493 0.5362
0.65 306.0 0.1497 0.6575
0.75 66.0 0.1066 0.7488
0.75 78.0 -0.0204 0.6593
0.75 90.0 0.4732 0.8232
0.75 102.0 -0.6085 0.5836
0.75 114.0 -0.0676 0.4325
0.75 126.0 -0.2255 0.427
0.75 138.0 0.38 0.499
0.75 150.0 -0.9245 0.5831
0.75 198.0 -1.1979 0.8151
0.75 210.0 -0.3313 0.5715
0.75 222.0 -1.1992 0.4321
0.75 234.0 0.1642 0.4312
0.75 246.0 -0.0646 0.4167
0.75 258.0 0.5402 0.5129
0.75 270.0 -1.1045 0.6806
0.75 282.0 0.2091 0.6776
0.75 294.0 1.0222 0.5202
0.85 90.0 -0.0845 0.6638
0.85 102.0 -1.4704 0.647
0.85 114.0 0.0337 0.5107
0.85 126.0 -0.266 0.5716
0.85 138.0 -0.0365 0.5578
0.85 150.0 -0.6818 0.625
0.85 210.0 0.3059 0.6562
0.85 222.0 0.2229 0.5571
0.85 234.0 0.1054 0.413
0.85 246.0 0.6155 0.4467
0.85 258.0 -0.1161 0.4364
0.85 270.0 -0.2631 0.5221
0.95 114.0 -1.7945 0.6293
0.95 138.0 0.496 0.7492
0.95 222.0 0.7042 0.5936
0.95 234.0 -0.9632 0.501
0.95 246.0 -0.565 0.4499
0.95 258.0 -0.3582 0.6332
Created in SINP MSU, CLAS Collaboration