CLAS Physics Database

Measurement E151M914

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: 0.0882
Q2: 0.1205 GeV2
W: 1655.0 GeV
Ebeam: 2.2596 GeV
ε: 0.8137

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty syst. uncert.
0.85 114.0 0.4889 1.308 0.0542
0.85 222.0 -1.485 0.9399 0.1403
0.85 234.0 1.7503 1.0654 0.1643
0.65 54.0 1.1538 0.6583 0.0814