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Measurement E151M887

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: 0.0839
Q2: 0.0844 GeV2
W: 1595.0 GeV
Ebeam: 2.2596 GeV
ε: 0.8622

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.55 126.0 -0.5692 0.6466
0.55 270.0 -0.2919 0.6249
0.55 282.0 0.2079 0.6677
0.65 114.0 0.0305 0.8208
0.65 294.0 0.0829 0.623
0.75 126.0 0.079 0.8546
0.75 210.0 -0.7073 0.7041
0.75 234.0 0.2865 0.7265
0.75 282.0 0.3436 0.5734
0.85 102.0 -0.9113 0.6881
0.85 114.0 -0.1157 0.8921
0.85 210.0 0.4579 0.7898
0.85 222.0 -0.0888 0.7031
0.85 234.0 0.9377 0.74
0.95 234.0 1.6756 2.4628
0.45 78.0 -0.728 0.5893
0.45 270.0 0.956 0.6853
0.45 282.0 0.2098 0.7025
0.55 114.0 -0.974 0.6234
0.65 126.0 0.1018 0.7691
0.65 138.0 -0.7418 0.7821
0.65 222.0 0.8942 0.6878
0.65 294.0 1.0542 0.7175
0.75 114.0 0.4445 0.7642
0.75 126.0 -0.3652 0.7016
0.75 222.0 1.6107 0.899
0.75 234.0 0.672 0.8771
0.75 282.0 -0.7425 0.549
0.75 294.0 -0.1126 0.7034
0.85 90.0 -0.8133 0.7586
0.85 102.0 -0.8073 0.6775
0.85 198.0 0.6971 0.8775
0.85 210.0 0.6329 0.7696
0.85 222.0 1.6614 0.7103
0.85 234.0 0.6565 0.92
0.85 246.0 -0.9738 0.6887
0.95 246.0 2.0642 1.2783
Created in SINP MSU, CLAS Collaboration