CLAS Physics Database

Measurement E151M818

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: 0.1213
Q2: 0.0593 GeV2
W: 1445.0 GeV
Ebeam: 2.2596 GeV
ε: 0.9327

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.25 54.0 0.0928 0.4627
0.25 66.0 0.4139 0.4019
0.25 78.0 0.5239 0.4522
0.25 282.0 -0.0205 0.5052
0.25 294.0 -0.5408 0.3598
0.35 66.0 0.4705 0.3702
0.35 78.0 -0.079 0.3734
0.35 90.0 0.1247 0.5767
0.35 270.0 0.3004 0.4448
0.35 282.0 -0.3866 0.3471
0.35 294.0 -0.5411 0.3137
0.35 306.0 -0.4705 0.4557
0.45 66.0 0.0324 0.3739
0.45 78.0 0.2104 0.3527
0.45 90.0 -0.5951 0.3691
0.45 114.0 0.7184 0.6165
0.45 258.0 0.8689 0.5647
0.45 270.0 -0.203 0.3411
0.45 282.0 -0.1444 0.3095
0.45 294.0 -0.0107 0.3281
0.55 66.0 0.3772 0.8006
0.55 78.0 -0.5799 0.6864
0.55 90.0 1.7053 0.886
0.55 102.0 0.615 0.9166
0.55 114.0 0.358 0.8462
0.55 126.0 -0.4467 0.8748
0.55 234.0 -0.2244 0.9395
0.55 246.0 0.6426 0.9202
0.55 258.0 0.4573 0.756
0.55 270.0 -0.7197 0.5588
0.55 282.0 -0.8698 0.4725
0.55 294.0 2.1962 0.7902
0.65 66.0 1.2677 0.8785
0.65 78.0 -0.0849 0.8723
0.65 90.0 -0.6026 0.8212
0.65 102.0 0.1013 0.9216
0.65 114.0 0.0325 0.7481
0.65 126.0 0.1174 0.7007
0.65 138.0 -0.2917 0.9228
0.65 150.0 -0.6394 0.9908
0.65 210.0 1.4279 1.0596
0.65 222.0 0.5928 0.7028
0.65 234.0 -0.4556 0.6811
0.65 246.0 1.3715 0.7905
0.65 258.0 -0.1102 0.7002
0.65 270.0 1.0947 0.7098
0.65 282.0 -0.2763 0.6791
0.65 294.0 0.938 0.8011
0.65 306.0 -1.0152 0.7023
0.75 66.0 -0.2997 0.9654
0.75 78.0 0.3022 1.0727
0.75 90.0 2.0736 1.29
0.75 102.0 0.4678 0.8394
0.75 114.0 0.1586 0.7051
0.75 126.0 -0.0327 0.6928
0.75 138.0 -1.4081 0.7053
0.75 150.0 -0.3323 0.8509
0.75 210.0 -0.2663 0.7905
0.75 222.0 -0.3007 0.6806
0.75 234.0 0.5268 0.5933
0.75 246.0 1.4488 0.7938
0.75 258.0 -0.8987 0.6722
0.75 282.0 0.7783 0.6991
0.75 294.0 -0.6967 0.868
0.85 90.0 1.8376 1.3243
0.85 102.0 0.6291 1.1848
0.85 114.0 0.0658 1.172
0.85 126.0 -1.5566 0.9592
0.85 138.0 -0.649 1.1436
0.85 150.0 -2.3424 1.073
0.85 198.0 0.8265 1.2119
0.85 210.0 0.6809 1.0389
0.85 222.0 1.7313 0.8785
0.85 234.0 -0.1467 0.7836
0.85 246.0 0.289 0.7286
0.85 258.0 -0.2725 0.853
0.85 270.0 -0.647 0.9047
0.95 222.0 1.068 3.0739
0.95 234.0 -3.5366 2.2738
0.95 246.0 -0.5548 2.5926
0.45 306.0 -0.7163 0.5158
0.55 66.0 0.9068 0.6391
0.55 78.0 -0.4423 0.4292
0.55 90.0 0.2737 0.5035
0.55 102.0 -0.4106 0.5463
0.55 114.0 -1.2171 0.3997
0.55 126.0 0.2331 0.54
0.55 222.0 -0.4161 0.7647
0.55 234.0 -0.5212 0.6466
0.55 246.0 0.8545 0.6865
0.55 258.0 -0.7597 0.5157
0.55 270.0 0.106 0.5338
0.55 282.0 0.1008 0.3666
0.55 294.0 0.4918 0.5473
0.65 66.0 -0.4823 0.514
0.65 78.0 -0.8261 0.4627
0.65 90.0 -0.4131 0.614
0.65 102.0 -0.5981 0.5305
0.65 114.0 0.122 0.5299
0.65 126.0 -0.2496 0.4149
0.65 138.0 -0.6753 0.4518
0.65 150.0 -0.5302 0.6441
0.65 210.0 0.771 0.8036
0.65 222.0 0.4973 0.5727
0.65 234.0 1.0867 0.5389
0.65 246.0 -0.0754 0.5486
0.65 258.0 0.2825 0.5264
0.65 270.0 -0.3182 0.4327
0.65 282.0 0.9448 0.6042
0.65 294.0 0.0637 0.4871
0.75 102.0 -0.0513 0.4637
0.75 114.0 -0.3012 0.4505
0.75 126.0 0.4716 0.5387
0.75 138.0 -0.6706 0.5701
0.75 150.0 0.1527 0.8065
0.75 198.0 1.5136 0.7772
0.75 210.0 1.3842 0.6088
0.75 222.0 0.2738 0.5735
0.75 234.0 0.6673 0.4751
0.75 246.0 0.4928 0.5041
0.75 258.0 0.7457 0.566
0.75 270.0 -0.206 0.6891
0.75 282.0 -0.5827 0.5246
0.75 294.0 0.6678 0.5493
0.85 90.0 1.6859 0.6602
0.85 102.0 0.0554 0.6944
0.85 114.0 0.1807 0.6291
0.85 126.0 -0.3863 0.5568
0.85 138.0 0.0046 0.7126
0.85 198.0 0.2717 0.9077
0.85 222.0 0.3832 0.6078
0.85 234.0 0.5326 0.5215
0.85 246.0 0.2998 0.5442
0.85 258.0 0.8199 0.6118
0.85 270.0 0.7617 0.7676
0.95 222.0 1.7037 1.0696
0.95 234.0 2.3362 1.0598
0.95 246.0 0.0091 0.9654
0.95 258.0 1.2081 1.0846