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Measurement E151M604

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: 0.302
Q2: 0.2445 GeV2
W: 1475.0 GeV
Ebeam: 1.9889 GeV
ε: 0.8314

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.25 282.0 0.4014 0.6647
0.35 78.0 0.4389 0.7441
0.35 282.0 1.5668 0.7148
0.35 294.0 -0.7944 0.5116
0.45 282.0 0.1162 0.6806
0.55 102.0 0.2397 0.7277
0.55 306.0 0.3353 0.7666
0.65 90.0 0.2961 0.7681
0.65 102.0 0.0859 0.5725
0.65 114.0 0.6081 0.7955
0.65 126.0 -0.9364 0.5585
0.65 234.0 1.2205 0.7184
0.65 246.0 -0.1505 0.7012
0.75 90.0 -0.545 0.5956
0.75 102.0 -0.7312 0.5278
0.75 114.0 -0.4773 0.5677
0.75 126.0 0.2587 0.6236
0.75 222.0 0.649 0.757
0.75 234.0 0.4405 0.6499
0.75 246.0 1.4224 0.7565
0.75 258.0 0.9015 0.6316
0.75 270.0 0.7611 0.7118
0.85 66.0 -0.6979 0.6208
0.85 78.0 -0.2917 0.6194
0.85 102.0 -1.0482 0.5905
0.85 114.0 -0.366 0.53
0.85 126.0 -0.9059 0.5431
0.85 138.0 -0.2884 0.6325
0.85 222.0 0.1094 0.5823
0.85 234.0 0.4281 0.5536
0.85 246.0 0.4703 0.5625
0.85 258.0 0.0148 0.5127
0.85 270.0 0.7035 0.5936
0.95 222.0 0.8155 0.6949
0.95 258.0 0.4299 0.575
0.95 270.0 1.1506 0.6934
0.95 282.0 -0.2512 0.4887
0.95 294.0 0.3901 0.568
Created in SINP MSU, CLAS Collaboration