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Measurement E151M555

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: 0.3715
Q2: 0.1715 GeV2
W: 1385.0 GeV
Ebeam: 1.9889 GeV
ε: 0.8997

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty syst. uncert.
0.25 66.0 0.7668 0.6853 0.0557
0.25 78.0 -0.8584 0.6065 0.0605
0.25 294.0 -0.7562 0.5098 0.0551
0.25 306.0 0.931 0.7481 0.0644
0.35 66.0 0.3148 0.6207 0.0356
0.35 78.0 0.0958 0.5861 0.0306
0.35 282.0 -0.4483 0.5898 0.0406
0.35 294.0 0.2156 0.6059 0.0328
0.35 306.0 -0.2576 0.6703 0.0339
0.45 66.0 -0.0148 0.6932 0.03
0.45 78.0 -0.1531 0.6249 0.0314
0.45 294.0 -0.8756 0.5616 0.0614
0.55 282.0 0.0633 0.6631 0.0302
0.65 90.0 0.7152 0.7405 0.053
0.65 102.0 0.5916 0.6058 0.047
0.65 114.0 0.4229 0.5635 0.0396
0.65 126.0 1.496 0.7707 0.0963
0.65 246.0 -0.013 0.5629 0.03
0.65 258.0 0.6643 0.5301 0.0505
0.65 270.0 0.0142 0.5522 0.03
0.75 90.0 -0.4388 0.4466 0.0403
0.75 102.0 0.6106 0.5673 0.0479
0.75 114.0 -0.0321 0.4624 0.0301
0.75 126.0 -0.499 0.5762 0.0428
0.75 138.0 0.3548 0.7128 0.037
0.75 222.0 -0.1912 0.6371 0.0322
0.75 234.0 0.7663 0.5914 0.0556
0.75 246.0 -0.4058 0.4242 0.0389
0.75 258.0 -0.4663 0.3858 0.0414
0.75 270.0 -0.9305 0.3476 0.0643
0.75 282.0 0.5976 0.5786 0.0473
0.85 78.0 -0.828 0.5874 0.0589
0.85 90.0 -0.2866 0.5547 0.0347
0.85 102.0 0.2822 0.4383 0.0346
0.85 114.0 1.0355 0.5657 0.0701
0.85 126.0 0.5618 0.5088 0.0456
0.85 138.0 0.2108 0.6261 0.0327
0.85 150.0 -0.1707 0.6282 0.0318
0.85 222.0 -0.3915 0.4756 0.0384
0.85 234.0 0.2445 0.4311 0.0335
0.85 246.0 -1.0081 0.3988 0.0686
0.85 258.0 -0.4953 0.4465 0.0426
0.85 270.0 0.2626 0.4921 0.034
0.85 282.0 0.5003 0.4458 0.0429
0.85 294.0 0.1084 0.503 0.0307
0.95 78.0 -0.8507 0.4835 0.0601
0.95 114.0 -0.7763 0.4277 0.0562
0.95 126.0 -0.2287 0.4826 0.0331
0.95 138.0 0.5771 0.6255 0.0463
0.95 222.0 1.147 0.536 0.0763
0.95 234.0 0.7309 0.6114 0.0538
0.95 246.0 -0.1802 0.4552 0.032
0.95 258.0 0.4401 0.4344 0.0403
0.95 270.0 0.211 0.4001 0.0327
0.95 282.0 -0.0744 0.3854 0.0303
0.95 294.0 0.6462 0.4849 0.0496
Created in SINP MSU, CLAS Collaboration