CLAS Physics Database

Measurement E151M1399

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: 0.0779
Q2: 0.0593 GeV2
W: 1445.0 GeV
Ebeam: 1.0539 GeV
ε: 0.5989

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty
0.15 42.0 -0.1898 0.9045
0.25 42.0 -0.7552 0.9247
0.25 54.0 0.1216 0.9632
0.35 54.0 -1.3943 0.7884
0.45 30.0 -0.7383 0.9339
0.45 42.0 0.0311 0.8079
0.45 54.0 1.3581 0.7837
0.45 234.0 0.2955 0.8182
0.45 246.0 -0.3944 0.7026
0.45 258.0 0.533 0.7599
0.55 162.0 0.9715 0.796
0.55 222.0 0.3766 0.6981
0.55 234.0 -0.0764 0.6196
0.55 246.0 1.1506 0.5444
0.55 258.0 -0.2912 0.6092
0.55 270.0 0.7476 0.8152
0.65 150.0 -0.5974 0.852
0.65 162.0 0.4732 0.8515
0.65 174.0 0.504 0.7892
0.65 186.0 0.7994 0.871
0.65 210.0 0.9319 0.8016
0.65 222.0 0.7562 0.8586
0.65 234.0 -0.1395 0.6988
0.65 246.0 -0.6073 0.5627
0.65 258.0 -1.0219 0.5667
0.65 270.0 -0.4175 0.78
0.75 150.0 -0.7003 0.8367
0.75 162.0 -0.8891 0.7428
0.75 174.0 -1.2988 0.7289
0.75 222.0 0.8925 0.7697
0.75 234.0 0.0961 0.6348
0.75 246.0 0.0789 0.5801
0.75 258.0 -0.107 0.5054
0.75 270.0 0.759 0.6987
0.85 222.0 -0.2092 0.8351
0.85 234.0 -0.421 0.5809
0.85 246.0 0.319 0.5416
0.85 258.0 -0.3317 0.5096
0.85 270.0 0.0174 0.6493
0.95 258.0 1.5451 0.5799