Measurement E151M2903

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:	A_LU
ε_L:	0.0195
Q²:	0.0348 GeV²
W:	1625.0 GeV
E_beam:	1.3383 GeV
ε:	0.514

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.55	234.0	0.7258	0.235
0.65	222.0	-0.313	0.2904
0.75	222.0	0.7238	0.2162
0.75	246.0	0.1678	0.3637

CLAS Physics Database