Measurement E151M637

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:	0.0344
Q²:	0.0291 GeV²
W:	1565.0 GeV
E_beam:	1.9889 GeV
ε:	0.8567

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.35	78.0	-0.2499	0.712	0.0337
0.35	270.0	-0.3737	0.6888	0.0377
0.35	282.0	0.4078	0.7262	0.039
0.45	78.0	1.1543	0.8018	0.0767
0.45	270.0	2.1483	0.7816	0.1348
0.55	90.0	1.0591	1.0238	0.0714
0.55	138.0	-0.5739	0.7968	0.0462
0.55	222.0	2.0081	0.7253	0.1264
0.55	270.0	1.2322	0.8151	0.0811
0.55	282.0	-0.2948	0.6506	0.035
0.65	126.0	-0.645	0.7161	0.0496
0.65	138.0	0.5433	0.6128	0.0448
0.65	198.0	0.3334	0.8194	0.0363
0.65	210.0	0.8188	0.6565	0.0584
0.65	222.0	-0.281	0.6491	0.0346
0.65	270.0	0.346	0.7879	0.0367
0.75	78.0	0.5202	0.7978	0.0437
0.75	126.0	-0.9107	0.7133	0.0633
0.75	138.0	0.4083	0.7659	0.039
0.75	210.0	0.1823	0.6343	0.032
0.75	222.0	0.6638	0.7614	0.0505
0.75	234.0	-0.6405	0.6112	0.0493
0.75	270.0	-0.0878	0.7647	0.0305
0.75	282.0	-0.844	0.5788	0.0597
0.85	114.0	-0.2975	0.694	0.0351
0.85	126.0	-1.2995	0.5656	0.085
0.85	210.0	0.3783	0.6415	0.0379
0.85	222.0	0.1076	0.7935	0.0307
0.85	234.0	0.651	0.6503	0.0499

CLAS Physics Database