Measurement E151M1106

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_UL
ε_L:	0.2897
Q²:	0.496 GeV²
W:	1625.0 GeV
E_beam:	2.999 GeV
ε:	0.8443

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.55	90.0	-0.6182	0.7998	0.0542
0.65	102.0	-0.3547	0.8562	0.0397
0.65	114.0	-1.8609	0.5835	0.1393
0.75	234.0	-0.3764	0.7633	0.0407
0.75	258.0	0.8712	0.9746	0.0704
0.85	66.0	0.9039	0.9824	0.0726
0.85	78.0	1.4448	1.0353	0.1098
0.85	222.0	-0.6818	0.7491	0.0582
0.85	234.0	0.3373	0.7786	0.0388
0.85	246.0	-0.5229	0.6339	0.0486
0.85	258.0	0.7176	0.7806	0.0604
0.85	270.0	-0.3151	0.8339	0.0378
0.85	282.0	1.0556	0.947	0.0828
0.95	234.0	-0.2352	0.6684	0.0346
0.95	246.0	0.7206	0.8103	0.0606
0.95	258.0	-0.1113	0.7645	0.0311
0.95	270.0	-0.3058	0.7036	0.0374
0.95	282.0	-0.3009	0.6945	0.0372
0.95	294.0	-0.0358	0.6866	0.0301
0.95	306.0	0.3948	0.7693	0.0416
0.95	318.0	0.2284	0.7754	0.0343

CLAS Physics Database