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Measurement E151M572

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: 0.3594
Q2: 0.205 GeV2
W: 1415.0 GeV
Ebeam: 1.9889 GeV
ε: 0.8764

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.25 66.0 -0.3435 0.5903
0.25 282.0 -1.1436 0.5596
0.25 294.0 -0.3228 0.6555
0.35 66.0 -0.1183 0.6168
0.35 282.0 0.1715 0.6831
0.35 294.0 -0.3383 0.6525
0.65 102.0 -0.1219 0.6141
0.65 114.0 0.1806 0.6779
0.65 126.0 2.6434 2.6434
0.65 246.0 -0.1969 0.5651
0.65 258.0 0.81 0.7958
0.65 270.0 0.3914 0.7617
0.75 90.0 -0.8123 0.4438
0.75 102.0 -0.2204 0.65
0.75 114.0 -1.062 0.3986
0.75 138.0 0.3056 0.6927
0.75 234.0 0.4747 0.6504
0.75 246.0 -0.2255 0.5296
0.75 258.0 -0.078 0.491
0.75 270.0 -0.0225 0.53
0.75 282.0 0.4741 0.7608
0.85 66.0 0.9929 0.7787
0.85 90.0 -0.7808 0.5931
0.85 102.0 -0.352 0.5064
0.85 114.0 0.0331 0.5814
0.85 126.0 -0.1321 0.5504
0.85 138.0 -0.3228 0.7044
0.85 222.0 0.7595 0.7167
0.85 234.0 0.8227 0.6369
0.85 246.0 -0.3228 0.4627
0.85 258.0 -0.2573 0.4792
0.85 270.0 0.3956 0.5049
0.85 282.0 0.7225 0.5559
0.85 294.0 0.3001 0.7368
0.95 126.0 0.7915 0.7444
0.95 222.0 -0.0444 0.6125
0.95 234.0 0.169 0.5942
0.95 246.0 0.7146 0.7074
0.95 258.0 1.3521 0.5482
0.95 270.0 0.8261 0.5171
0.95 282.0 0.0923 0.4359
0.95 294.0 -0.3534 0.5731
Created in SINP MSU, CLAS Collaboration