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Measurement E151M556

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: 0.4157
Q2: 0.205 GeV2
W: 1385.0 GeV
Ebeam: 1.9889 GeV
ε: 0.8894

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty syst. uncert.
0.25 66.0 1.5789 0.7358 0.1011
0.35 66.0 0.5232 0.7023 0.0439
0.35 78.0 -1.2872 0.5453 0.0842
0.65 90.0 0.1045 0.6436 0.0307
0.65 102.0 0.8881 0.5376 0.062
0.65 114.0 0.4534 0.72 0.0409
0.65 258.0 0.1426 0.6688 0.0312
0.65 270.0 0.4666 0.6698 0.0414
0.75 90.0 -0.0845 0.5571 0.0304
0.75 102.0 0.0095 0.511 0.03
0.75 114.0 0.6608 0.5639 0.0503
0.75 126.0 0.181 0.603 0.032
0.75 234.0 0.3833 0.6408 0.0381
0.75 246.0 0.4037 0.5576 0.0389
0.75 258.0 -0.7027 0.4451 0.0524
0.75 270.0 0.3285 0.5375 0.0361
0.75 282.0 1.52 0.6712 0.0977
0.85 90.0 -0.272 0.5789 0.0343
0.85 102.0 0.7959 0.5339 0.0572
0.85 114.0 0.5139 0.6328 0.0434
0.85 126.0 0.3793 0.6151 0.0379
0.85 138.0 -0.1174 0.6964 0.0308
0.85 222.0 0.2544 0.6419 0.0338
0.85 234.0 0.0815 0.649 0.0304
0.85 246.0 -0.5363 0.4475 0.0445
0.85 258.0 0.288 0.5228 0.0348
0.85 270.0 -0.4247 0.4498 0.0397
0.85 282.0 0.5635 0.5883 0.0457
0.95 66.0 1.3913 0.6382 0.0902
0.95 102.0 -0.0576 0.5708 0.0302
0.95 126.0 0.8682 0.641 0.061
0.95 138.0 0.4016 0.6324 0.0388
0.95 222.0 -0.063 0.5545 0.0302
0.95 234.0 0.4172 0.6608 0.0394
0.95 246.0 0.03 0.4898 0.0301
0.95 258.0 0.2026 0.4349 0.0325
0.95 270.0 0.6528 0.4337 0.0499
0.95 282.0 -0.118 0.435 0.0309
0.95 294.0 1.4362 0.562 0.0928
Created in SINP MSU, CLAS Collaboration