CLAS Physics Database

Measurement E151M1989

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: ALL
εL: 0.3093
Q2: 0.0844 GeV2
W: 1325.0 GeV
Ebeam: 2.2596 GeV
ε: 0.9578

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty
0.15 306.0 0.3012 1.2207
0.25 66.0 0.3092 1.3233
0.25 78.0 1.8831 1.6045
0.25 294.0 -0.7714 1.1069
0.25 306.0 1.3592 1.0421
0.35 66.0 -1.1652 1.3615
0.35 78.0 -2.8089 1.013
0.35 282.0 -0.8336 1.2843
0.35 294.0 -0.0393 0.913
0.35 306.0 -0.4515 1.0923
0.45 66.0 3.5634 1.1033
0.45 78.0 0.3074 1.158
0.45 90.0 -2.9601 1.577
0.45 282.0 1.4786 0.9994
0.45 294.0 -0.2566 0.9816
0.55 66.0 -4.0449 4.0449
0.55 78.0 -0.7297 1.2897
0.55 90.0 -0.1872 1.2061
0.55 102.0 -0.4811 1.6458
0.55 270.0 -0.5087 1.2395
0.55 282.0 0.0328 1.13
0.55 294.0 -1.4671 1.2544
0.65 90.0 -1.2019 1.5893
0.65 102.0 -1.1249 1.372
0.65 114.0 0.4747 1.4107
0.65 126.0 -0.6042 1.6603
0.65 234.0 -1.1311 1.4112
0.65 246.0 -0.6319 1.4749
0.65 258.0 -1.4296 0.9588
0.65 270.0 2.4123 0.9094
0.65 282.0 -0.8684 1.1698
0.75 90.0 1.0777 1.6951
0.75 102.0 -0.7464 1.314
0.75 114.0 -0.44 1.1027
0.75 126.0 0.1205 1.0965
0.75 138.0 1.0755 1.6364
0.75 222.0 -2.8282 1.533
0.75 234.0 -0.4328 1.0667
0.75 246.0 0.0549 1.0593
0.75 258.0 -0.8339 0.9861
0.75 270.0 1.5754 0.9461
0.75 282.0 -0.3695 0.9884
0.75 294.0 0.2437 1.5407
0.85 90.0 -0.4284 2.0512
0.85 102.0 -2.5779 1.3701
0.85 114.0 1.4815 1.3578
0.85 126.0 -0.6888 1.35
0.85 138.0 1.8895 1.4783
0.85 150.0 0.1671 1.6774
0.85 162.0 -1.3282 2.0922
0.85 222.0 -2.6571 1.8017
0.85 234.0 -0.2167 1.1254
0.85 246.0 0.6225 1.0162
0.85 258.0 -0.4252 0.9308
0.85 270.0 1.6101 1.0408
0.85 282.0 -1.9288 1.1279
0.95 126.0 -3.44 5.2452
0.95 138.0 10.3679 4.3941
0.95 150.0 -8.4457 5.4943
0.95 162.0 0.3866 5.7287
0.95 174.0 4.9752 1.0798
0.95 210.0 -0.104 4.7671
0.95 222.0 0.873 4.8105
0.95 234.0 0.6593 3.4689
0.95 246.0 2.9473 3.9706
0.95 258.0 0.3701 3.4882
0.95 270.0 0.8139 3.9106
0.05 306.0 0.1062 0.6055
0.15 306.0 0.6637 0.5118
0.25 66.0 -0.1668 0.5153
0.25 294.0 0.2167 0.584
0.25 306.0 0.4523 0.4523
0.35 66.0 -0.3428 0.3696
0.35 78.0 0.6444 0.4383
0.35 282.0 -0.083 0.6098
0.35 294.0 -0.2616 0.4237
0.35 306.0 -0.2859 0.4682
0.45 66.0 1.2136 0.4355
0.45 78.0 0.4597 0.3945
0.45 90.0 1.1073 0.5699
0.45 282.0 -0.0855 0.5154
0.45 294.0 -0.4434 0.4311
0.55 66.0 0.7322 0.5088
0.55 78.0 0.5516 0.4756
0.55 90.0 0.4757 0.5275
0.55 258.0 -0.9367 0.5599
0.55 270.0 -0.9106 0.5009
0.55 282.0 -0.1475 0.4608
0.55 294.0 0.3262 0.5196
0.65 78.0 0.6172 0.5102
0.65 90.0 0.247 0.5546
0.65 102.0 -0.3979 0.5565
0.65 114.0 0.3896 0.5401
0.65 246.0 0.4315 0.5277
0.65 258.0 -0.1828 0.4537
0.65 270.0 0.664 0.4229
0.65 282.0 -0.6991 0.4833
0.75 78.0 -0.3963 0.7179
0.75 90.0 -0.6118 0.5161
0.75 102.0 -0.0053 0.4398
0.75 114.0 0.0513 0.4198
0.75 126.0 -0.0943 0.5071
0.75 222.0 -0.1247 0.7111
0.75 234.0 0.2432 0.4945
0.75 246.0 0.3673 0.4612
0.75 258.0 0.3339 0.427
0.75 270.0 -0.2479 0.4871
0.75 282.0 -0.2414 0.4987
0.85 90.0 -0.3177 0.7199
0.85 102.0 0.5946 0.4673
0.85 114.0 -0.1662 0.4184
0.85 126.0 0.4072 0.4688
0.85 138.0 0.9148 0.4774
0.85 150.0 0.4254 0.6362
0.85 162.0 0.2802 0.6356
0.85 198.0 1.1092 0.8459
0.85 222.0 0.4769 0.6677
0.85 234.0 -0.9172 0.5217
0.85 246.0 -0.4274 0.4251
0.85 258.0 0.1421 0.4199
0.85 270.0 -0.1956 0.4098
0.85 282.0 1.1171 0.5171
0.95 114.0 -0.001 1.0396
0.95 126.0 1.0659 0.9321
0.95 138.0 0.7728 1.121
0.95 150.0 1.019 1.2626
0.95 162.0 1.6268 1.1565
0.95 174.0 -3.6864 3.6864
0.95 210.0 1.4267 1.0421
0.95 222.0 0.5422 1.3037
0.95 234.0 0.6277 0.8831
0.95 246.0 -0.5762 0.8707
0.95 258.0 1.6135 0.8299
0.95 270.0 2.2296 0.8164