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Measurement E151M154

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: 0.0537
Q2: 0.0291 GeV2
W: 1415.0 GeV
Ebeam: 1.0539 GeV
ε: 0.6928

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.25 42.0 0.4349 0.7765
0.25 54.0 0.1987 0.8774
0.35 30.0 2.0124 0.8913
0.35 42.0 1.4884 0.6604
0.35 54.0 2.2054 0.6164
0.35 66.0 -2.1905 0.5636
0.45 30.0 0.1015 0.7443
0.45 42.0 0.7299 0.6072
0.45 54.0 0.1858 0.5761
0.45 234.0 -0.7759 0.7555
0.45 246.0 0.1358 0.6457
0.45 258.0 0.0419 0.8122
0.55 30.0 1.7974 0.8243
0.55 42.0 -0.5181 0.5814
0.55 54.0 -1.0705 0.5652
0.55 150.0 0.2816 0.8443
0.55 222.0 -0.6691 0.5664
0.55 234.0 1.7615 0.6131
0.55 246.0 -0.2588 0.5018
0.55 258.0 0.2996 0.6018
0.65 138.0 -0.4677 0.7783
0.65 150.0 0.6047 0.7163
0.65 162.0 -1.4185 0.5789
0.65 174.0 -0.8196 0.7143
0.65 186.0 1.6782 0.7673
0.65 210.0 1.0588 0.7332
0.65 222.0 0.6848 0.5665
0.65 234.0 -0.3414 0.4609
0.65 246.0 0.2349 0.4542
0.65 258.0 0.3126 0.5657
0.65 270.0 1.1446 0.6503
0.75 138.0 -0.332 0.6586
0.75 150.0 0.5245 0.7491
0.75 162.0 -1.4141 0.5708
0.75 174.0 1.0861 0.7558
0.75 186.0 -0.5038 0.7397
0.75 222.0 0.8946 0.6263
0.75 234.0 -0.3096 0.4293
0.75 246.0 0.7031 0.4711
0.75 258.0 0.1405 0.5137
0.75 270.0 -0.8772 0.6824
0.85 138.0 1.8307 0.8511
0.85 222.0 0.7865 0.6373
0.85 234.0 0.9825 0.5319
0.85 246.0 0.6909 0.4371
0.85 258.0 -0.388 0.4475
0.85 270.0 -0.2942 0.6331
0.95 258.0 -0.2528 0.6009
Created in SINP MSU, CLAS Collaboration