Measurement E151M3104

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:	0.0922
Q²:	0.101 GeV²
W:	1595.0 GeV
E_beam:	1.9889 GeV
ε:	0.8071

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.35	270.0	0.2991	0.2486	0.0306
0.65	114.0	-0.1872	0.2457	0.0302
0.65	126.0	0.0261	0.2424	0.03
0.65	138.0	-0.199	0.2619	0.0303
0.65	210.0	-0.159	0.2397	0.0302
0.65	222.0	-0.1546	0.2479	0.0302
0.65	282.0	-0.0716	0.2714	0.03
0.65	294.0	-0.4877	0.2467	0.0315
0.75	114.0	0.3451	0.2521	0.0308
0.75	126.0	0.3236	0.26	0.0307
0.75	138.0	0.2975	0.2595	0.0306
0.75	210.0	-0.0197	0.2529	0.03
0.75	222.0	0.4611	0.2012	0.0314
0.75	234.0	0.3493	0.2418	0.0308
0.75	282.0	-0.1621	0.2276	0.0302
0.75	294.0	-0.2057	0.2243	0.0303
0.85	102.0	0.2577	0.2251	0.0304
0.85	114.0	0.0124	0.2483	0.03
0.85	210.0	0.2726	0.2084	0.0305
0.85	222.0	-0.3786	0.1916	0.0309
0.85	234.0	-0.0839	0.204	0.03
0.85	246.0	-0.1012	0.2178	0.0301
0.95	126.0	-0.3607	0.2371	0.0309
0.95	234.0	-0.4321	0.268	0.0312
0.95	246.0	0.4399	0.2367	0.0313

CLAS Physics Database