Measurement E151M2695

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:	0.777
Q²:	0.2915 GeV²
W:	1265.0 GeV
E_beam:	1.3383 GeV
ε:	0.7741

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.75	114.0	0.3047	0.2524	0.0306
0.85	102.0	0.1429	0.264	0.0301
0.55	270.0	0.366	0.4308	0.0309
0.85	102.0	0.0621	0.3706	0.03
0.85	114.0	-0.4838	0.4067	0.0315
0.85	150.0	0.6629	0.2187	0.0328
0.85	270.0	0.3373	0.2985	0.0307
0.85	294.0	-0.3424	0.3544	0.0308
0.95	138.0	-0.5457	0.2624	0.0319

CLAS Physics Database