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Measurement E151M1355

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: 0.057
Q2: 0.0245 GeV2
W: 1385.0 GeV
Ebeam: 1.0539 GeV
ε: 0.7466

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty syst. uncert.
0.25 42.0 0.471 0.848 0.061
0.25 54.0 1.2345 0.8478 0.1424
0.35 42.0 -0.24 0.6493 0.0404
0.35 54.0 0.7975 0.6874 0.0948
0.45 18.0 0.2002 0.9005 0.0375
0.45 30.0 -0.5116 0.6819 0.065
0.45 42.0 0.4901 0.5404 0.0629
0.45 54.0 -0.9404 0.7052 0.1102
0.45 234.0 -1.0274 0.8316 0.1197
0.45 246.0 -0.7132 0.8033 0.0859
0.55 30.0 0.0341 0.7355 0.0302
0.55 42.0 0.2407 0.5995 0.0405
0.55 54.0 0.5856 0.6731 0.0725
0.55 138.0 -0.4827 1.0582 0.0622
0.55 150.0 1.5576 0.8556 0.1782
0.55 162.0 0.9616 0.9621 0.1125
0.55 222.0 -1.1772 0.7092 0.1361
0.55 234.0 -0.0498 0.6212 0.0305
0.55 246.0 -0.5158 0.5949 0.0655
0.55 258.0 0.5905 0.6419 0.073
0.55 270.0 0.8079 0.9697 0.0959
0.65 138.0 0.7932 0.7824 0.0944
0.65 150.0 -0.1316 0.659 0.0335
0.65 162.0 -0.8213 0.817 0.0974
0.65 174.0 0.2642 0.9013 0.0423
0.65 210.0 0.794 0.8845 0.0944
0.65 222.0 0.1563 0.5893 0.0348
0.65 234.0 0.6068 0.5695 0.0747
0.65 246.0 -0.5486 0.4813 0.0688
0.65 258.0 0.2079 0.5171 0.0381
0.65 270.0 1.2069 0.7762 0.1394
0.75 138.0 0.5415 0.7617 0.068
0.75 150.0 -0.684 0.7563 0.0828
0.75 162.0 -0.9081 0.8166 0.1067
0.75 210.0 0.377 0.947 0.052
0.75 222.0 -0.5974 0.6991 0.0738
0.75 234.0 0.4619 0.5431 0.0601
0.75 246.0 -0.917 0.4887 0.1077
0.75 258.0 0.6805 0.4867 0.0824
0.75 270.0 0.7099 0.7366 0.0855
0.85 150.0 -0.7251 0.8934 0.0871
0.85 222.0 -0.5603 0.562 0.07
0.85 234.0 -0.8407 0.4998 0.0995
0.85 246.0 -0.7381 0.4592 0.0885
0.85 258.0 1.0921 0.5314 0.1268
0.85 270.0 0.943 0.6981 0.1105
0.95 246.0 0.2412 0.5814 0.0405
Created in SINP MSU, CLAS Collaboration