CLAS Physics Database

Measurement E151M434

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: 0.0718
Q2: 0.101 GeV2
W: 1565.0 GeV
Ebeam: 1.3383 GeV
ε: 0.563

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty syst. uncert.
0.75 138.0 -0.1737 0.7775 0.0319
0.75 234.0 0.2832 0.7388 0.0347
0.75 246.0 1.4274 0.6151 0.0933
0.95 114.0 0.5773 0.674 0.0467
0.65 234.0 0.1611 1.0678 0.0315
0.65 246.0 0.682 1.2659 0.0509
0.75 234.0 -0.3338 0.888 0.0361
0.75 246.0 -0.1874 0.8875 0.0321
0.75 258.0 -0.7717 0.7498 0.0553
0.85 234.0 0.7894 1.2239 0.0562
0.85 246.0 2.329 1.1159 0.1434