CLAS Physics Database

Measurement E151M106

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: 0.0258
Q2: 0.0084 GeV2
W: 1355.0 GeV
Ebeam: 1.0539 GeV
ε: 0.8064

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty syst. uncert.
0.35 42.0 -0.1439 0.7847 0.0342
0.35 54.0 0.1433 0.8604 0.0341
0.45 42.0 -1.5596 0.5805 0.18
0.45 54.0 0.9364 0.7193 0.1107
0.55 30.0 0.3085 0.7917 0.0462
0.55 42.0 -0.1885 0.6122 0.0369
0.55 54.0 0.6232 0.7283 0.077
0.55 222.0 1.479 0.828 0.1709
0.55 234.0 0.6827 0.6538 0.0833
0.55 246.0 -0.0708 0.6792 0.0311
0.55 258.0 0.1417 0.7666 0.0341
0.65 30.0 0.9203 0.8912 0.1089
0.65 42.0 -0.1998 0.639 0.0376
0.65 54.0 0.7033 0.6822 0.0855
0.65 150.0 -1.0875 0.6827 0.1273
0.65 162.0 1.1237 0.856 0.1313
0.65 174.0 0.3762 0.8042 0.0523
0.65 222.0 -0.1448 0.5873 0.0342
0.65 234.0 0.2065 0.5154 0.0381
0.65 246.0 -0.437 0.5691 0.0581
0.65 258.0 0.7987 0.7545 0.0957
0.75 138.0 -0.5385 0.7438 0.0682
0.75 150.0 0.7446 0.8533 0.0899
0.75 210.0 -0.156 0.7094 0.0349
0.75 222.0 0.8248 0.5884 0.0985
0.75 234.0 -0.4872 0.4735 0.063
0.75 246.0 -0.3374 0.4283 0.0487
0.75 258.0 -0.4431 0.639 0.0587
0.85 222.0 0.3322 0.5443 0.0483
0.85 234.0 0.294 0.5622 0.0449
0.85 246.0 -0.0377 0.5142 0.0303
0.85 258.0 0.1837 0.7108 0.0366