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Measurement E151M496

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: 0.784
Q2: 0.205 GeV2
W: 1265.0 GeV
Ebeam: 1.9889 GeV
ε: 0.9289

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty syst. uncert.
0.25 66.0 -0.3754 0.4233 0.0378
0.35 66.0 0.1357 0.5102 0.0311
0.35 78.0 1.1652 0.5256 0.0773
0.45 66.0 0.4354 0.5512 0.0401
0.45 78.0 0.428 0.5814 0.0398
0.45 282.0 -0.5962 0.4179 0.0472
0.55 66.0 -0.4164 0.5444 0.0394
0.55 270.0 -0.2044 0.4404 0.0325
0.55 282.0 0.509 0.4848 0.0432
0.65 258.0 -0.0854 0.4715 0.0305
0.65 270.0 0.0897 0.4384 0.0305
0.65 282.0 0.2341 0.3697 0.0332
0.65 294.0 -0.4793 0.4036 0.0419
0.75 78.0 0.3282 0.5119 0.0361
0.75 90.0 -0.0194 0.4462 0.03
0.75 102.0 -0.4353 0.5168 0.0401
0.75 114.0 0.8641 0.644 0.0608
0.75 258.0 -0.3497 0.3871 0.0368
0.75 270.0 0.1875 0.4292 0.0321
0.75 282.0 0.3361 0.4623 0.0364
0.85 78.0 0.9577 0.4541 0.0658
0.85 90.0 -0.1059 0.4592 0.0307
0.85 102.0 0.5317 0.4811 0.0442
0.85 114.0 -0.3739 0.4162 0.0377
0.85 126.0 -0.1008 0.446 0.0306
0.85 234.0 0.5327 0.5933 0.0443
0.85 246.0 0.1123 0.3961 0.0308
0.85 258.0 -0.1598 0.4348 0.0316
0.85 270.0 1.0572 0.4353 0.0713
0.85 282.0 -0.1085 0.3503 0.0307
0.85 294.0 0.1157 0.3711 0.0308
0.95 78.0 -0.6931 0.3908 0.0519
0.95 90.0 -0.1325 0.3824 0.0311
0.95 102.0 0.742 0.4794 0.0544
0.95 114.0 0.0662 0.394 0.0303
0.95 126.0 0.0445 0.4845 0.0301
0.95 138.0 0.5654 0.5597 0.0458
0.95 150.0 -0.487 0.3783 0.0423
0.95 246.0 -0.4342 0.4428 0.0401
0.95 270.0 0.4546 0.4802 0.0409
Created in SINP MSU, CLAS Collaboration