CLAS Physics Database

Measurement E151M844

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: 0.0659
Q2: 0.0415 GeV2
W: 1505.0 GeV
Ebeam: 2.2596 GeV
ε: 0.9161

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty syst. uncert.
0.35 66.0 -0.4393 0.5082 0.0416
0.35 78.0 -1.9731 1.3697 0.1846
0.45 66.0 1.2297 1.7302 0.1174
0.45 78.0 -2.3498 1.2055 0.2189
0.45 90.0 1.5134 1.8126 0.1429
0.45 282.0 1.7066 1.4658 0.1603
0.55 78.0 -0.3081 1.4201 0.0413
0.55 114.0 0.779 1.7533 0.0779
0.55 126.0 -1.4222 1.2768 0.1346
0.55 138.0 -0.305 1.7065 0.0411
0.55 282.0 0.2153 1.3703 0.036
0.65 114.0 1.1402 1.6092 0.1094
0.65 138.0 -1.4681 1.5442 0.1388
0.65 222.0 2.4094 1.3491 0.2244
0.65 234.0 -0.3019 1.4364 0.0409
0.65 246.0 1.6703 1.735 0.1571
0.65 294.0 1.9269 1.4205 0.1804
0.75 126.0 -1.1847 1.4766 0.1134
0.75 222.0 0.6273 1.4993 0.0652
0.75 234.0 1.1578 1.6296 0.111
0.75 282.0 1.9563 1.4949 0.183
0.85 102.0 0.6244 2.1357 0.065
0.85 114.0 -2.7094 1.6139 0.2519
0.85 222.0 -0.5856 1.613 0.0618
0.85 234.0 2.2894 1.875 0.2134
0.35 282.0 0.8217 0.5674 0.0617
0.35 294.0 -0.1175 0.5023 0.031
0.45 78.0 -0.5595 0.4954 0.0474
0.45 270.0 0.7178 0.5315 0.0558
0.45 282.0 0.0413 0.5589 0.0301
0.55 78.0 -0.6719 0.4778 0.0533
0.55 114.0 -0.7314 0.5677 0.0566
0.55 138.0 0.4434 0.6155 0.0418
0.55 222.0 0.5317 0.6948 0.046
0.55 270.0 0.7477 0.6076 0.0575
0.55 282.0 0.3679 0.5123 0.0385
0.55 294.0 -0.1578 0.5606 0.0317
0.65 78.0 0.9986 0.5893 0.0721
0.65 126.0 -0.3548 0.5886 0.038
0.65 138.0 -0.9954 0.5384 0.0719
0.65 222.0 -0.0449 0.6489 0.0301
0.65 270.0 0.2021 0.6023 0.0328
0.75 66.0 0.6687 0.5996 0.0532
0.75 114.0 -1.2205 0.4519 0.0855
0.75 126.0 -0.3928 0.5916 0.0396
0.75 138.0 -0.8926 0.6192 0.0658
0.75 150.0 -0.5426 0.6885 0.0466
0.75 222.0 0.3081 0.6562 0.0362
0.75 234.0 -0.0811 0.6128 0.0305
0.75 282.0 -1.2243 0.4758 0.0858
0.85 210.0 0.9909 0.7751 0.0716
0.85 222.0 0.8757 0.673 0.0648
0.85 234.0 1.0242 0.7848 0.0736
0.85 246.0 0.9205 0.7533 0.0674