CLAS Physics Database

Measurement E151M1281

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: 0.5631
Q2: 0.1715 GeV2
W: 1265.0 GeV
Ebeam: 1.0539 GeV
ε: 0.7407

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty syst. uncert.
0.05 42.0 -0.1815 0.7909 0.0363
0.35 282.0 -0.9821 0.6535 0.1148
0.45 270.0 0.2081 0.6094 0.0381
0.45 282.0 -0.6827 0.674 0.0826
0.55 270.0 0.8224 0.5621 0.0975
0.55 282.0 0.6488 0.5899 0.0791
0.55 294.0 -0.6621 0.6925 0.0805
0.65 246.0 -0.0503 0.5924 0.0305
0.65 258.0 -1.1468 0.5056 0.1328
0.65 270.0 -0.436 0.4701 0.0576
0.65 282.0 0.0144 0.6175 0.03
0.65 294.0 -0.0888 0.5678 0.0316
0.75 126.0 1.1713 0.6695 0.1355
0.75 138.0 -0.6178 0.6845 0.0759
0.75 150.0 1.6146 0.6469 0.1846
0.75 246.0 -0.1775 0.6548 0.0361
0.75 258.0 -0.0161 0.5376 0.0301
0.75 270.0 0.9291 0.5557 0.109
0.75 282.0 -0.2288 0.4975 0.0396
0.75 294.0 0.4167 0.5604 0.0558
0.85 114.0 -0.973 0.584 0.1138
0.85 126.0 0.4981 0.5779 0.0637
0.85 138.0 1.2912 0.5101 0.1487
0.85 150.0 -0.3508 0.6057 0.0497
0.85 162.0 0.318 0.5918 0.0468
0.85 174.0 0.0918 0.6733 0.0317
0.85 186.0 0.6684 0.6169 0.0811
0.85 198.0 0.6529 0.6459 0.0795
0.85 258.0 -0.9453 0.5876 0.1108
0.85 270.0 0.349 0.4945 0.0495
0.85 282.0 0.8733 0.4868 0.103
0.85 294.0 1.2492 0.5525 0.144
0.95 66.0 -0.1474 0.6126 0.0343
0.95 114.0 -0.1731 0.5973 0.0358
0.95 126.0 0.2838 0.4783 0.0439
0.95 138.0 1.0895 0.4719 0.1265
0.95 150.0 0.8592 0.4543 0.1014
0.95 162.0 -0.3619 0.545 0.0507
0.95 174.0 0.5798 0.4493 0.072
0.95 186.0 0.0023 0.5331 0.03
0.95 198.0 0.8305 0.4902 0.0984