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Measurement E151M1789

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: 0.1869
Q2: 0.0844 GeV2
W: 1415.0 GeV
Ebeam: 1.9889 GeV
ε: 0.9143

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty
0.15 66.0 1.5505 0.6829
0.15 294.0 -0.1599 0.7383
0.25 66.0 -0.8526 0.5369
0.25 78.0 -1.8283 0.6586
0.25 282.0 0.9098 0.7439
0.25 294.0 1.0572 0.546
0.25 306.0 -0.5958 0.9484
0.35 66.0 -0.4302 0.5824
0.35 78.0 0.183 0.549
0.35 90.0 0.2516 0.813
0.35 270.0 0.0998 0.836
0.35 282.0 0.3467 0.5366
0.35 294.0 -0.2844 0.5065
0.35 306.0 -0.4058 0.7446
0.45 66.0 -0.1805 0.6292
0.45 78.0 -0.3081 0.4735
0.45 90.0 0.5909 0.5643
0.45 270.0 -1.9492 0.5886
0.45 282.0 -0.1431 0.5627
0.45 294.0 0.5949 0.4973
0.45 306.0 0.9632 0.6559
0.55 66.0 -0.816 0.6854
0.55 78.0 -0.3658 0.5894
0.55 90.0 -0.6374 0.7033
0.55 102.0 0.2523 0.7752
0.55 114.0 0.9464 0.601
0.55 126.0 0.4654 0.8949
0.55 246.0 -0.1785 0.8227
0.55 258.0 -0.5454 0.7518
0.55 270.0 -0.1729 0.5738
0.55 282.0 -0.4571 0.5346
0.55 294.0 0.966 0.6259
0.65 66.0 0.6875 0.6039
0.65 78.0 0.2701 0.6994
0.65 90.0 0.0688 0.716
0.65 102.0 -0.3597 0.6206
0.65 114.0 -0.0627 0.5907
0.65 126.0 -0.2672 0.5604
0.65 138.0 0.5035 0.7404
0.65 210.0 -0.4859 0.7787
0.65 222.0 -0.5767 0.6629
0.65 234.0 0.6658 0.5153
0.65 246.0 0.301 0.5534
0.65 258.0 0.4319 0.5468
0.65 270.0 0.7386 0.5691
0.65 282.0 0.329 0.7349
0.65 294.0 -0.6373 0.7211
0.65 306.0 0.622 0.79
0.75 90.0 -0.1116 0.7088
0.75 102.0 1.0461 0.5192
0.75 114.0 -0.1762 0.5236
0.75 126.0 0.6305 0.4948
0.75 138.0 -0.2071 0.5639
0.75 150.0 -0.1233 0.6595
0.75 210.0 -0.0301 0.7035
0.75 222.0 0.7594 0.6572
0.75 234.0 0.0336 0.4827
0.75 246.0 0.6079 0.4247
0.75 258.0 -0.3451 0.4813
0.75 270.0 -0.1166 0.7086
0.75 294.0 -0.2676 0.82
0.85 90.0 1.6622 0.5663
0.85 102.0 0.5375 0.6741
0.85 114.0 0.5515 0.4623
0.85 126.0 0.8795 0.4848
0.85 138.0 0.4463 0.5852
0.85 150.0 -0.0535 0.7233
0.85 210.0 -0.8529 0.7561
0.85 222.0 0.7574 0.4837
0.85 234.0 -0.4703 0.481
0.85 246.0 -0.6465 0.4417
0.85 258.0 -0.382 0.4737
0.85 270.0 -0.6508 0.5069
0.85 282.0 0.7263 0.6874
0.95 102.0 -0.4649 0.6433
0.95 138.0 0.558 0.7295
0.95 222.0 0.6886 0.6892
0.95 234.0 1.297 0.4714
0.95 246.0 0.2913 0.4632
0.95 258.0 0.2921 0.4809
Created in SINP MSU, CLAS Collaboration