Measurement E151M3421

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:	0.9956
Q²:	0.5925 GeV²
W:	1295.0 GeV
E_beam:	2.999 GeV
ε:	0.9208

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.55	66.0	0.2273	0.2801	0.0303
0.55	90.0	-0.4108	0.257	0.0311
0.55	270.0	0.379	0.2554	0.0309
0.65	66.0	0.0128	0.2537	0.03
0.65	90.0	-0.1036	0.2486	0.0301
0.65	270.0	-0.2306	0.2789	0.0304
0.65	282.0	-0.1869	0.281	0.0302
0.65	294.0	-0.2011	0.2709	0.0303
0.65	306.0	0.1529	0.2735	0.0302
0.75	78.0	-0.3604	0.2147	0.0309
0.75	90.0	-0.1154	0.2415	0.0301
0.75	102.0	-0.0579	0.2326	0.03
0.75	258.0	0.5039	0.1798	0.0316
0.75	270.0	-0.4766	0.2551	0.0315
0.75	282.0	-0.0564	0.2145	0.03
0.75	294.0	0.0611	0.2637	0.03
0.75	306.0	0.098	0.2482	0.0301
0.75	318.0	-0.1474	0.2595	0.0301
0.85	234.0	0.1996	0.2703	0.0303
0.85	258.0	-0.1249	0.2398	0.0301
0.85	270.0	0.0677	0.2187	0.03
0.85	282.0	-0.3721	0.2605	0.0309
0.85	294.0	-0.1701	0.2569	0.0302
0.85	306.0	0.0838	0.2496	0.03
0.95	90.0	0.2128	0.226	0.0303

CLAS Physics Database