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Measurement E151M37

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: 0.6489
Q2: 0.1435 GeV2
W: 1235.0 GeV
Ebeam: 1.0539 GeV
ε: 0.798

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty syst. uncert.
0.25 294.0 0.1999 0.5939 0.0376
0.35 282.0 0.0448 0.5063 0.0304
0.35 294.0 0.1204 0.5685 0.033
0.45 270.0 0.1105 0.5381 0.0325
0.45 282.0 -0.0622 0.4205 0.0308
0.45 294.0 0.3603 0.5691 0.0508
0.55 270.0 0.364 0.4508 0.0511
0.55 282.0 0.423 0.4113 0.0567
0.55 294.0 -0.6391 0.4861 0.0787
0.65 258.0 -0.1973 0.408 0.0375
0.65 270.0 0.4974 0.4408 0.0641
0.65 282.0 0.939 0.4751 0.111
0.65 294.0 -0.3177 0.4305 0.047
0.75 258.0 -0.8875 0.4209 0.1053
0.75 270.0 0.0795 0.4957 0.0313
0.75 282.0 0.3873 0.4541 0.0533
0.75 294.0 0.2342 0.4863 0.0401
0.85 114.0 -0.5049 0.4572 0.0648
0.85 138.0 1.1544 0.5768 0.1347
0.85 150.0 0.4977 0.5132 0.0641
0.85 162.0 0.6042 0.5636 0.075
0.85 174.0 0.5999 0.602 0.0746
0.85 198.0 0.028 0.5005 0.0302
0.85 210.0 -0.4493 0.478 0.0593
0.85 270.0 0.5035 0.499 0.0647
0.85 282.0 -0.3214 0.4831 0.0473
0.95 114.0 -0.2361 0.397 0.0403
0.95 126.0 0.6471 0.4509 0.0795
0.95 138.0 -0.5463 0.3893 0.069
0.95 150.0 0.8583 0.411 0.1022
0.95 162.0 0.0655 0.4446 0.0309
0.95 174.0 -0.4241 0.3638 0.0568
0.95 186.0 -0.29 0.3657 0.0446
0.95 198.0 0.544 0.4706 0.0688
0.95 210.0 -0.4641 0.3306 0.0607
Created in SINP MSU, CLAS Collaboration