CLAS Physics Database

Measurement E151M984

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: 0.7759
Q2: 0.348 GeV2
W: 1325.0 GeV
Ebeam: 2.999 GeV
ε: 0.9473

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.05 54.0 0.4819 0.7621
0.05 66.0 -1.023 0.5129
0.15 66.0 -1.27 0.4535
0.15 294.0 -0.4976 0.6339
0.25 54.0 0.2959 0.7677
0.25 66.0 0.5679 0.7181
0.25 294.0 -0.0396 0.6543
0.35 54.0 1.2313 0.8969
0.35 66.0 -0.3233 0.7176
0.35 294.0 -1.3845 0.4658
0.45 78.0 -0.8629 0.5912
0.45 90.0 -0.6025 0.619
0.45 282.0 0.1357 0.6919
0.55 66.0 0.5887 0.7427
0.55 78.0 0.5206 0.6783
0.55 90.0 1.3953 0.734
0.55 102.0 -0.8334 0.6395
0.55 270.0 -0.4791 0.6087
0.55 282.0 0.6592 0.5281
0.65 66.0 -0.3732 0.5035
0.65 78.0 0.4439 0.5207
0.65 90.0 -1.0205 0.378
0.65 102.0 0.1234 0.6036
0.65 258.0 -1.0847 0.3992
0.65 270.0 0.7875 0.6221
0.65 282.0 0.0586 0.4696
0.65 294.0 -0.4809 0.4628
0.75 54.0 -0.0442 0.664
0.75 66.0 0.0472 0.5454
0.75 78.0 -0.2809 0.3776
0.75 90.0 0.349 0.4694
0.75 102.0 -0.2139 0.4613
0.75 114.0 -0.227 0.6068
0.75 234.0 0.8784 0.7883
0.75 246.0 0.5043 0.7027
0.75 258.0 -0.2048 0.4665
0.75 270.0 0.845 0.4778
0.75 282.0 -0.6174 0.4049
0.75 294.0 0.0593 0.4394
0.75 306.0 -0.9644 0.3737
0.75 318.0 0.029 0.627
0.85 42.0 1.4866 0.791
0.85 66.0 -0.1181 0.4402
0.85 78.0 -0.5989 0.3572
0.85 90.0 0.7012 0.5696
0.85 102.0 0.8161 0.5136
0.85 114.0 -0.4552 0.4484
0.85 126.0 -0.2867 0.5271
0.85 210.0 -0.085 0.7311
0.85 222.0 -0.4506 0.5448
0.85 234.0 0.1889 0.5738
0.85 246.0 -0.2485 0.4383
0.85 258.0 0.2042 0.5249
0.85 270.0 -0.5983 0.3799
0.85 282.0 0.2362 0.3964
0.85 294.0 -0.5067 0.3765
0.85 306.0 0.166 0.4557
0.85 318.0 0.4346 0.4851
0.85 330.0 -0.1307 0.6254
0.95 66.0 0.772 0.5512
0.95 78.0 -0.5742 0.433
0.95 90.0 -0.6757 0.4588
0.95 102.0 -0.3685 0.454
0.95 114.0 -0.6523 0.5062
0.95 126.0 0.6205 0.7154
0.95 138.0 0.4735 0.7314
0.95 198.0 -1.0228 0.4797
0.95 210.0 -0.2708 0.5745
0.95 222.0 1.3733 0.6646
0.95 234.0 -0.5214 0.4965
0.95 246.0 -0.3734 0.4594
0.95 258.0 -0.2444 0.4416
0.95 270.0 0.0751 0.4367
0.95 282.0 0.4402 0.5097
0.95 294.0 0.0261 0.5858
0.95 306.0 0.1752 0.4706
0.95 318.0 -0.3069 0.412
0.95 330.0 -0.4423 0.4567
0.95 342.0 -0.4015 0.5526