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Measurement E151M1746

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: 0.4521
Q2: 0.1435 GeV2
W: 1325.0 GeV
Ebeam: 1.9889 GeV
ε: 0.9284

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty
0.15 294.0 0.0615 0.6755
0.15 306.0 -0.3804 0.7223
0.25 66.0 0.4336 0.6446
0.25 78.0 -0.134 0.7823
0.25 306.0 -0.6317 0.7137
0.35 66.0 0.6574 0.5053
0.35 78.0 0.4347 0.6054
0.35 294.0 -0.4246 0.7519
0.35 306.0 -0.545 0.7349
0.45 66.0 0.2087 0.6228
0.45 78.0 0.1922 0.6085
0.45 294.0 -0.5895 0.5861
0.55 66.0 -0.4839 0.6095
0.55 78.0 0.6854 0.7458
0.55 270.0 -1.1633 0.6045
0.65 90.0 -0.9213 0.6437
0.65 102.0 0.7354 0.755
0.65 114.0 -1.4425 0.5751
0.65 246.0 0.1754 0.7502
0.65 258.0 -0.4477 0.508
0.65 270.0 0.636 0.4578
0.65 282.0 0.7893 0.6402
0.75 78.0 0.113 0.7743
0.75 90.0 -0.5859 0.5199
0.75 102.0 0.0713 0.4666
0.75 114.0 -0.1099 0.4826
0.75 126.0 0.5268 0.5619
0.75 138.0 -0.0869 0.7892
0.75 234.0 0.4468 0.5771
0.75 246.0 0.135 0.5002
0.75 258.0 0.1149 0.4074
0.75 270.0 0.1273 0.4173
0.75 282.0 0.2514 0.5286
0.75 294.0 -0.661 0.6669
0.85 90.0 0.0084 0.447
0.85 102.0 0.2196 0.4365
0.85 114.0 -0.4411 0.4223
0.85 126.0 0.4182 0.4487
0.85 138.0 -0.0436 0.501
0.85 150.0 0.3823 0.5827
0.85 210.0 0.8294 0.6547
0.85 222.0 0.1821 0.6287
0.85 234.0 -0.1496 0.4444
0.85 246.0 0.4645 0.4501
0.85 258.0 0.8221 0.4308
0.85 270.0 -0.0206 0.4386
0.85 282.0 0.1664 0.5017
0.85 294.0 0.1828 0.5458
0.95 102.0 0.245 0.5224
0.95 114.0 0.3164 0.4595
0.95 126.0 1.3716 0.413
0.95 138.0 0.3063 0.5908
0.95 150.0 -0.7219 0.5771
0.95 186.0 -0.1414 0.6419
0.95 222.0 -0.387 0.5669
0.95 234.0 0.0804 0.5489
0.95 246.0 0.4884 0.5105
0.95 258.0 -0.8796 0.4428
0.95 270.0 0.3606 0.491
0.95 282.0 0.2407 0.3768
0.95 294.0 -0.0071 0.6773
Created in SINP MSU, CLAS Collaboration