CLAS Physics Database

Measurement E151M2107

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: 0.0611
Q2: 0.0593 GeV2
W: 1595.0 GeV
Ebeam: 2.2596 GeV
ε: 0.8699

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty syst. uncert.
0.45 78.0 -1.4198 0.8228 0.1339
0.45 270.0 0.0137 0.6735 0.03
0.45 282.0 1.2286 0.6599 0.1168
0.55 102.0 -0.7731 0.9112 0.0771
0.55 114.0 -0.1176 0.9116 0.0319
0.55 138.0 -0.0049 0.8778 0.03
0.55 270.0 0.8512 0.7587 0.0838
0.55 282.0 0.5612 0.7448 0.0597
0.65 114.0 -0.4431 0.8865 0.0506
0.65 126.0 -0.0185 0.8863 0.03
0.65 138.0 0.4575 0.8487 0.0516
0.65 210.0 0.0048 0.9125 0.03
0.65 222.0 1.5503 0.8158 0.1456
0.65 246.0 -0.3194 0.8026 0.042
0.65 294.0 -0.1847 0.7646 0.0345
0.75 66.0 -0.5442 0.8838 0.0583
0.75 114.0 0.559 0.9595 0.0595
0.75 126.0 0.0276 0.9826 0.0301
0.75 210.0 -0.1005 0.7248 0.0314
0.75 222.0 0.4631 0.8181 0.0521
0.75 234.0 0.6181 0.7932 0.0642
0.75 270.0 -0.5676 0.759 0.0602
0.75 282.0 0.077 0.5987 0.0308
0.75 294.0 -0.9354 0.7796 0.091
0.85 102.0 -0.617 0.9567 0.0641
0.85 114.0 -0.8138 0.8789 0.0806
0.85 210.0 -1.0548 0.8181 0.1015
0.85 222.0 -0.0177 0.8412 0.03
0.85 234.0 -0.2293 0.8699 0.0367
0.35 78.0 -1.1429 0.7049 0.0802
0.45 78.0 -0.9384 0.7869 0.068
0.45 126.0 0.6935 0.7832 0.0542
0.45 258.0 0.5857 0.7708 0.0485
0.45 270.0 -0.765 0.7619 0.0581
0.45 282.0 -0.7572 0.6616 0.0577
0.55 126.0 0.6121 0.7809 0.0499
0.55 138.0 -0.4255 0.8807 0.0408
0.55 210.0 -0.4881 0.9503 0.0437
0.55 246.0 0.4662 0.8376 0.0427
0.55 258.0 -0.7251 0.8975 0.0559
0.55 270.0 1.2335 0.7127 0.0857
0.65 114.0 -1.9441 0.8128 0.13
0.65 126.0 -1.5472 0.7289 0.105
0.65 138.0 -0.151 0.7482 0.0316
0.65 222.0 -0.7736 0.9182 0.0586
0.65 234.0 1.0064 0.9101 0.072
0.65 246.0 0.2924 0.8014 0.0355
0.65 282.0 -0.7516 0.8049 0.0574
0.75 126.0 -1.2841 0.8181 0.0888
0.75 138.0 -1.236 0.8573 0.0858
0.75 198.0 0.9047 1.0616 0.0661
0.75 210.0 0.1491 0.9652 0.0315
0.75 222.0 -0.1003 0.8536 0.0307
0.75 246.0 -0.7668 1.0365 0.0582
0.75 270.0 0.4226 0.7078 0.0407
0.75 282.0 0.3362 0.6609 0.0371
0.75 294.0 1.9438 0.7251 0.13
0.85 102.0 0.4235 0.7983 0.0407
0.85 114.0 0.4526 0.7856 0.042
0.85 210.0 -1.2595 0.9354 0.0872
0.85 222.0 -0.5913 0.8726 0.0488
0.85 234.0 1.0466 0.931 0.0744
0.85 246.0 0.5142 0.9973 0.0449
0.85 282.0 -1.0241 0.9347 0.0731