Measurement E151M2676

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:	0.9313
Q²:	0.2915 GeV²
W:	1235.0 GeV
E_beam:	1.3383 GeV
ε:	0.7954

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.55	270.0	-0.2056	0.2604
0.75	294.0	0.5189	0.2641
0.85	90.0	0.0854	0.277
0.85	126.0	-0.1759	0.2761
0.45	282.0	0.0261	0.3967
0.55	270.0	0.3693	0.3275
0.65	258.0	0.4642	0.2803
0.65	270.0	-0.0259	0.3695
0.65	282.0	-0.5592	0.2562
0.85	102.0	0.0254	0.3815
0.85	114.0	-0.1362	0.3787

CLAS Physics Database