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Measurement E151M639

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: 0.0481
Q2: 0.0415 GeV2
W: 1565.0 GeV
Ebeam: 1.9889 GeV
ε: 0.852

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.35 18.0 -0.6424 0.7356
0.35 66.0 0.4583 0.8229
0.35 78.0 1.9801 0.678
0.35 90.0 2.2923 0.8245
0.35 270.0 0.3538 0.7317
0.35 282.0 0.562 0.6767
0.35 294.0 -0.3246 0.7736
0.45 18.0 -0.6862 0.6845
0.45 66.0 1.5017 0.8277
0.45 78.0 0.0808 0.6337
0.45 90.0 -1.0767 0.6152
0.45 126.0 -1.4825 0.6311
0.45 138.0 1.6663 0.8982
0.45 246.0 0.6506 0.8361
0.45 258.0 0.0159 0.5897
0.45 270.0 -0.3309 0.4943
0.45 282.0 -0.6935 0.5037
0.55 78.0 0.1072 0.7345
0.55 90.0 -0.9728 0.5871
0.55 114.0 -0.693 0.5856
0.55 126.0 -2.0896 0.428
0.55 138.0 -0.3669 0.7161
0.55 150.0 -0.6629 0.7263
0.55 198.0 2.4076 2.4076
0.55 210.0 1.2598 0.752
0.55 222.0 -0.0462 0.7776
0.55 234.0 -0.2537 0.7334
0.55 246.0 1.5473 0.7472
0.55 258.0 -1.2509 0.55
0.55 270.0 0.3464 0.503
0.55 282.0 -0.2736 0.5229
0.55 294.0 0.3781 0.7938
0.65 78.0 0.1896 0.6944
0.65 90.0 -1.161 0.6074
0.65 102.0 -0.261 0.7308
0.65 114.0 -0.9379 0.5796
0.65 126.0 -0.6842 0.4516
0.65 138.0 0.5982 0.627
0.65 150.0 -0.0198 0.7884
0.65 198.0 0.5155 0.6939
0.65 210.0 0.1997 0.6688
0.65 222.0 -0.324 0.5
0.65 234.0 0.3667 0.7356
0.65 246.0 0.1961 0.7049
0.65 258.0 -0.4227 0.6146
0.65 270.0 -0.811 0.6143
0.65 282.0 0.3293 0.6396
0.65 294.0 -0.3925 0.67
0.75 66.0 0.1292 0.6228
0.75 78.0 0.3061 0.6176
0.75 90.0 -1.3381 0.5648
0.75 114.0 0.4349 0.8201
0.75 126.0 -0.3085 0.6788
0.75 138.0 0.0498 0.5845
0.75 150.0 -0.5591 0.7146
0.75 186.0 0.364 0.8235
0.75 198.0 0.2189 0.6763
0.75 210.0 1.0223 0.6208
0.75 222.0 1.7504 0.6131
0.75 234.0 1.6236 0.584
0.75 246.0 -0.2347 0.6604
0.75 258.0 -0.8665 0.6119
0.75 270.0 1.0857 0.6246
0.75 282.0 -0.1874 0.4178
0.75 294.0 -1.1799 0.5291
0.85 102.0 -0.9626 0.5226
0.85 114.0 -0.8055 0.5049
0.85 126.0 -0.7167 0.7076
0.85 186.0 -0.8371 0.6604
0.85 198.0 1.1713 0.8269
0.85 210.0 0.4717 0.5314
0.85 222.0 0.7204 0.5714
0.85 234.0 0.3678 0.5223
0.85 246.0 0.6687 0.6421
Created in SINP MSU, CLAS Collaboration