CLAS Physics Database

Measurement E151M2173

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: 0.9733
Q2: 0.205 GeV2
W: 1235.0 GeV
Ebeam: 2.999 GeV
ε: 0.9737

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty syst. uncert.
0.15 66.0 -0.2713 0.6451 0.0359
0.25 54.0 -0.2224 0.7592 0.0341
0.25 66.0 0.3311 0.5368 0.0384
0.35 66.0 -0.3799 0.4906 0.0407
0.35 78.0 0.2119 0.6605 0.0337
0.35 282.0 0.8103 0.6235 0.066
0.35 294.0 0.1806 0.6971 0.0327
0.45 66.0 0.2722 0.6029 0.0359
0.45 78.0 -0.3983 0.6282 0.0416
0.45 282.0 0.6877 0.4877 0.0582
0.45 294.0 -0.175 0.474 0.0326
0.55 66.0 -1.3254 0.5735 0.1007
0.55 78.0 0.1683 0.7162 0.0324
0.55 270.0 1.5544 0.5325 0.1166
0.55 282.0 0.0613 0.4401 0.0303
0.55 294.0 -0.507 0.4268 0.0474
0.65 66.0 -0.1399 0.6568 0.0317
0.65 78.0 -0.125 0.5874 0.0313
0.65 90.0 -1.2099 0.6655 0.0927
0.65 270.0 0.6258 0.3766 0.0544
0.65 282.0 0.8 0.3304 0.0653
0.65 294.0 -0.1383 0.3855 0.0316
0.75 66.0 -0.4915 0.5066 0.0466
0.75 78.0 -0.3299 0.4576 0.0384
0.75 90.0 0.562 0.432 0.0506
0.75 102.0 -0.2056 0.5203 0.0335
0.75 114.0 0.542 0.8494 0.0494
0.75 258.0 -0.4149 0.4635 0.0425
0.75 270.0 0.5561 0.3859 0.0503
0.75 282.0 -0.6332 0.3799 0.0548
0.75 294.0 0.1938 0.4588 0.0331
0.75 306.0 1.5015 0.5663 0.1129
0.85 54.0 -0.3062 0.6426 0.0373
0.85 66.0 -0.2636 0.3869 0.0356
0.85 78.0 0.2825 0.3865 0.0363
0.85 90.0 0.3415 0.3642 0.0389
0.85 102.0 0.1538 0.3743 0.032
0.85 114.0 -0.7285 0.4828 0.0607
0.85 126.0 -1.029 0.7833 0.0804
0.85 246.0 -1.1485 0.5858 0.0885
0.85 258.0 0.3952 0.5356 0.0415
0.85 270.0 0.5566 0.4312 0.0503
0.85 282.0 0.2088 0.3892 0.0336
0.85 294.0 -0.7004 0.4474 0.059
0.85 306.0 -0.0519 0.5942 0.0302
0.95 42.0 -0.4135 0.6677 0.0424
0.95 54.0 -0.3613 0.5834 0.0398
0.95 66.0 -0.1775 0.4588 0.0326
0.95 78.0 0.4565 0.4268 0.0447
0.95 90.0 0.0367 0.4002 0.0301
0.95 102.0 0.4823 0.4313 0.0461
0.95 114.0 0.5995 0.4679 0.0528
0.95 126.0 -0.2271 0.4686 0.0342
0.95 138.0 -0.3577 0.548 0.0397
0.95 150.0 0.7776 0.5799 0.0639
0.95 162.0 -0.8745 0.6762 0.0702
0.95 174.0 0.6168 0.7366 0.0539
0.95 210.0 -0.2041 0.748 0.0335
0.95 234.0 0.3984 0.5999 0.0416
0.95 246.0 -0.0 0.6252 0.03
0.95 258.0 0.0825 0.5498 0.0306
0.95 270.0 -0.3388 0.5351 0.0388
0.95 282.0 -0.3105 0.5414 0.0375
0.95 294.0 0.6523 0.58 0.056
0.95 306.0 0.2023 0.6709 0.0334