Measurement E151M2731

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:	0.4846
Q²:	0.205 GeV²
W:	1325.0 GeV
E_beam:	1.3383 GeV
ε:	0.7833

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.65	258.0	0.2209	0.2591
0.75	138.0	-0.5726	0.258
0.75	246.0	0.248	0.2546
0.85	102.0	0.2023	0.2581
0.85	138.0	-0.0082	0.2847
0.85	294.0	0.2556	0.2788
0.65	282.0	-0.3692	0.4615
0.75	114.0	-0.3963	0.4114
0.85	114.0	0.7773	0.1675
0.85	282.0	-0.4461	0.351

CLAS Physics Database