CLAS Physics Database

Measurement E151M930

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: 0.0367
Q2: 0.0593 GeV2
W: 1715.0 GeV
Ebeam: 2.2596 GeV
ε: 0.7917

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty syst. uncert.
0.65 282.0 0.1638 0.5637 0.0319
0.75 222.0 0.5675 0.7472 0.0478
0.85 114.0 0.3772 0.7082 0.0389
0.85 210.0 0.5257 0.7661 0.0457
0.85 222.0 -1.1914 0.6381 0.0837
0.65 294.0 0.4712 0.6956 0.0528
0.75 270.0 -0.1602 0.647 0.0334
0.75 282.0 0.6533 0.7419 0.0673
0.85 210.0 1.0823 0.8585 0.1043