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Measurement E151M2241

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: 0.5709
Q2: 0.4155 GeV2
W: 1415.0 GeV
Ebeam: 2.999 GeV
ε: 0.9221

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty syst. uncert.
0.25 294.0 -0.1941 0.7297 0.0331
0.45 90.0 1.1503 0.9068 0.0886
0.55 66.0 0.8116 0.8674 0.0661
0.55 78.0 -0.4793 0.9068 0.0459
0.55 90.0 -0.4045 0.7417 0.042
0.55 102.0 -0.6209 0.7519 0.0541
0.65 78.0 -1.6007 0.6037 0.1199
0.65 90.0 -0.1608 0.5553 0.0322
0.65 102.0 0.2768 0.667 0.0361
0.65 114.0 0.8997 0.6702 0.0718
0.65 246.0 -0.2734 0.9525 0.036
0.65 258.0 0.9243 0.6534 0.0734
0.65 270.0 -0.9757 0.7063 0.0768
0.65 282.0 1.8087 0.7777 0.1345
0.75 54.0 -0.1951 0.6972 0.0332
0.75 66.0 -0.0105 0.9916 0.03
0.75 78.0 -0.0535 0.616 0.0302
0.75 90.0 -0.0389 0.5661 0.0301
0.75 102.0 -0.2672 0.7052 0.0357
0.75 114.0 0.1211 0.9034 0.0313
0.75 126.0 -0.2012 0.968 0.0334
0.75 234.0 1.4296 0.8105 0.1079
0.75 246.0 0.9366 0.8402 0.0742
0.75 258.0 0.1795 0.6848 0.0327
0.75 270.0 0.2524 0.5845 0.0351
0.75 282.0 0.3683 0.5756 0.0402
0.75 294.0 -0.2607 0.6477 0.0355
0.75 306.0 0.0802 0.8127 0.0306
0.85 42.0 -0.4287 0.9323 0.0432
0.85 54.0 1.0714 0.7507 0.0833
0.85 78.0 -0.6805 0.6914 0.0577
0.85 90.0 0.1521 0.5897 0.032
0.85 102.0 0.2863 0.6333 0.0365
0.85 114.0 -0.3247 0.7588 0.0381
0.85 126.0 0.3595 0.8857 0.0397
0.85 210.0 0.0432 0.8961 0.0302
0.85 222.0 -0.302 0.6814 0.0371
0.85 234.0 1.359 0.6569 0.103
0.85 246.0 0.2907 0.7359 0.0367
0.85 258.0 0.7059 0.6983 0.0593
0.85 270.0 0.3367 0.5885 0.0387
0.85 282.0 0.0878 0.5503 0.0307
0.85 294.0 -0.9975 0.5638 0.0783
0.85 306.0 0.4777 0.5721 0.0458
0.85 318.0 -0.3239 0.5988 0.0381
0.95 210.0 -0.2275 0.8174 0.0342
0.95 222.0 0.3154 0.7332 0.0377
0.95 234.0 1.1018 0.6115 0.0853
0.95 246.0 0.0804 0.6493 0.0306
0.95 258.0 0.3567 0.6757 0.0396
0.95 270.0 -0.0747 0.5359 0.0305
0.95 282.0 0.055 0.6066 0.0303
0.95 294.0 0.515 0.5703 0.0479
0.95 306.0 0.4667 0.602 0.0452
0.95 318.0 0.9591 0.5389 0.0757
0.95 330.0 1.3213 0.6324 0.1004
0.95 342.0 -0.022 0.7787 0.03
Created in SINP MSU, CLAS Collaboration