Measurement E151M3132

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:	0.0516
Q²:	0.0707 GeV²
W:	1655.0 GeV
E_beam:	1.9889 GeV
ε:	0.7705

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.35	78.0	-0.0185	0.2703	0.03
0.45	270.0	-0.13	0.2691	0.0301
0.45	282.0	0.2529	0.2424	0.0304
0.55	222.0	0.3845	0.2581	0.031
0.65	126.0	-0.3785	0.2417	0.0309
0.65	138.0	-0.1082	0.2689	0.0301
0.65	210.0	0.2034	0.2635	0.0303
0.65	222.0	-0.3117	0.24	0.0306
0.65	282.0	-0.019	0.2195	0.03
0.75	66.0	0.5185	0.2644	0.0317
0.75	114.0	0.4665	0.2461	0.0314
0.75	198.0	-0.2979	0.27	0.0306
0.75	210.0	-0.3223	0.2069	0.0307
0.75	222.0	-0.0241	0.2659	0.03
0.75	270.0	-0.031	0.2543	0.03
0.75	282.0	0.0174	0.2351	0.03
0.75	294.0	0.0275	0.2737	0.03
0.85	114.0	-0.2812	0.2183	0.0305
0.85	126.0	-0.0267	0.2123	0.03
0.85	198.0	-0.2668	0.2526	0.0305
0.85	210.0	-0.2889	0.222	0.0306
0.85	222.0	0.2721	0.2746	0.0305
0.85	234.0	-0.0761	0.2278	0.03

CLAS Physics Database