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Measurement E151M250

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: 0.7443
Q2: 0.2445 GeV2
W: 1265.0 GeV
Ebeam: 1.3383 GeV
ε: 0.8039

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty syst. uncert.
0.55 270.0 -0.0459 0.4391 0.0341
0.65 258.0 -0.0382 0.5533 0.0301
0.65 282.0 0.0902 0.5271 0.0305
0.75 114.0 -0.3182 0.5229 0.0359
0.75 258.0 0.538 0.523 0.0448
0.75 270.0 0.8917 0.4944 0.0628
0.75 294.0 -0.4451 0.5333 0.0407
0.85 90.0 0.2285 0.5495 0.0332
0.85 114.0 -0.067 0.514 0.0303
0.85 126.0 0.139 0.5008 0.0312
0.85 138.0 -0.3507 0.5451 0.037
0.85 282.0 -0.2321 0.5213 0.0333
0.95 114.0 -0.4963 0.4433 0.0429
0.95 138.0 -0.1105 0.4658 0.0308
0.95 150.0 -0.934 0.4198 0.0652
0.55 282.0 -0.9131 0.4688 0.0626
0.65 258.0 -0.2461 0.6773 0.0335
0.65 270.0 -0.8283 0.5309 0.0582
0.65 282.0 0.1772 0.7924 0.0318
0.65 294.0 -0.2472 0.6656 0.0335
0.75 246.0 -0.1137 0.6844 0.0308
0.75 258.0 -0.049 0.7972 0.0301
0.75 282.0 -0.1063 0.6685 0.0307
0.85 90.0 0.6544 1.0384 0.0495
0.85 102.0 -0.2003 0.7411 0.0323
0.85 126.0 -0.8191 0.5933 0.0577
0.85 138.0 -0.7265 0.605 0.053
0.85 270.0 0.4731 0.9208 0.0414
0.85 282.0 1.5387 0.9565 0.0974
0.85 294.0 1.6459 0.895 0.1036
Created in SINP MSU, CLAS Collaboration