Measurement E151M2384

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_LL
ε_L:	0.0543
Q²:	0.101 GeV²
W:	1775.0 GeV
E_beam:	2.999 GeV
ε:	0.8592

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty	syst. uncert.
0.35	270.0	0.4372	1.0458	0.0436
0.55	114.0	-0.8415	0.9651	0.068
0.55	126.0	0.2565	0.9904	0.0353
0.55	138.0	-1.5065	1.0148	0.1133
0.65	114.0	-0.1849	1.0487	0.0329
0.65	126.0	0.0985	0.9346	0.0308
0.65	138.0	-0.621	0.9527	0.0541
0.65	186.0	-0.1075	0.9568	0.031
0.65	198.0	-0.8091	1.0839	0.0659
0.65	222.0	-0.6127	1.0625	0.0536
0.65	282.0	-0.262	0.8383	0.0355
0.65	294.0	0.4347	0.9909	0.0435
0.75	90.0	-0.1211	1.0476	0.0313
0.75	102.0	-0.974	0.8064	0.0767
0.75	114.0	-0.604	1.0565	0.0531
0.75	138.0	1.3085	0.9901	0.0995
0.75	186.0	-0.0023	0.8872	0.03
0.75	198.0	0.1537	0.8527	0.032
0.75	210.0	-0.1833	0.7191	0.0328
0.75	222.0	-0.6308	0.8398	0.0547
0.75	234.0	-0.6521	1.1222	0.056
0.75	258.0	-0.4376	0.959	0.0437
0.75	270.0	-0.1733	0.8808	0.0325
0.75	282.0	0.2486	0.8003	0.035
0.75	294.0	0.6285	0.9632	0.0546
0.85	90.0	-0.4384	0.8695	0.0437
0.85	102.0	-0.8255	0.7605	0.067
0.85	114.0	0.0296	0.7697	0.0301
0.85	126.0	0.0054	0.7784	0.03
0.85	138.0	-0.2905	1.0412	0.0367
0.85	174.0	-0.232	0.9581	0.0344
0.85	186.0	-0.3372	0.6784	0.0387
0.85	198.0	0.4312	0.7291	0.0433
0.85	210.0	-0.526	0.7502	0.0485
0.85	222.0	1.1882	0.7265	0.0912
0.85	234.0	0.5971	0.8198	0.0527
0.85	246.0	-1.0209	0.9565	0.0799
0.85	270.0	0.7418	0.9685	0.0616
0.85	282.0	-1.0051	0.7631	0.0788
0.95	102.0	-2.0645	0.8163	0.1527
0.95	186.0	0.5465	0.9329	0.0497
0.95	198.0	-0.9168	0.8357	0.0729
0.95	210.0	0.1083	0.7866	0.031
0.95	222.0	-0.1661	0.8884	0.0323
0.95	234.0	-0.2084	0.9261	0.0336

CLAS Physics Database