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Measurement E151M302

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: 0.264
Q2: 0.101 GeV2
W: 1355.0 GeV
Ebeam: 1.3383 GeV
ε: 0.8289

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.55 246.0 0.3759 0.6321
0.55 258.0 0.1331 0.9074
0.55 270.0 -0.4431 0.343
0.65 114.0 0.2291 0.6179
0.65 126.0 -0.5453 0.4811
0.65 138.0 0.018 0.6683
0.65 234.0 0.8278 0.524
0.65 246.0 -0.1509 0.3869
0.65 258.0 -0.6061 0.3438
0.65 270.0 0.2324 0.4267
0.75 114.0 0.2107 0.4987
0.75 126.0 0.2313 0.4117
0.75 138.0 0.5734 0.4361
0.75 150.0 -0.4719 0.4034
0.75 222.0 -0.0686 0.7865
0.75 234.0 -0.278 0.3784
0.75 246.0 -0.0291 0.3931
0.75 258.0 -0.4078 0.3183
0.75 270.0 -0.4732 0.3221
0.75 282.0 -0.3844 0.4105
0.85 102.0 0.1648 0.5555
0.85 114.0 -0.2847 0.3196
0.85 126.0 0.0685 0.4076
0.85 138.0 -0.6414 0.3577
0.85 150.0 -0.3322 0.4368
0.85 162.0 0.3986 0.5089
0.85 234.0 -0.3398 0.3806
0.85 246.0 0.0863 0.348
0.85 258.0 -0.3603 0.3118
0.85 270.0 0.1193 0.3241
0.85 282.0 0.412 0.3194
0.85 294.0 0.3255 0.5016
0.95 78.0 0.0527 0.4086
0.95 90.0 -0.2042 0.3297
0.95 102.0 0.3968 0.4762
0.95 138.0 0.2255 0.4726
0.95 150.0 0.2547 0.5786
0.95 234.0 -0.6294 0.5313
0.95 246.0 0.2085 0.4043
0.95 258.0 0.2293 0.324
0.95 270.0 -0.1449 0.3978
0.95 282.0 -0.1821 0.3132
Created in SINP MSU, CLAS Collaboration