Measurement E151M1152

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:	0.095
Q²:	0.1715 GeV²
W:	1745.0 GeV
E_beam:	2.999 GeV
ε:	0.8584

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.55	102.0	0.6887	0.9663	0.0586
0.55	114.0	-1.8618	0.626	0.1393
0.55	126.0	-0.2556	0.9282	0.0353
0.55	222.0	1.6682	1.1097	0.1256
0.65	102.0	0.6656	0.9539	0.0572
0.65	114.0	0.1592	0.9803	0.0322
0.65	126.0	-0.0788	0.8286	0.0305
0.65	138.0	-1.2754	0.7079	0.0979
0.65	198.0	1.6178	1.0295	0.122
0.65	210.0	1.0461	0.9197	0.0821
0.65	234.0	0.0435	0.9417	0.0302
0.65	282.0	-1.1176	0.638	0.087
0.75	90.0	-0.5724	0.6286	0.0515
0.75	102.0	-0.9113	0.6892	0.0731
0.75	114.0	1.0598	0.9907	0.0831
0.75	126.0	1.2314	0.9861	0.0949
0.75	186.0	-1.3015	0.6226	0.0997
0.75	198.0	0.2903	0.7788	0.0367
0.75	210.0	1.2841	0.8911	0.0985
0.75	222.0	-0.1534	0.6686	0.032
0.75	234.0	-1.3928	0.6017	0.1061
0.75	246.0	0.9827	1.134	0.0778
0.75	282.0	-1.1111	0.5378	0.0866
0.75	294.0	0.8487	0.6837	0.0689
0.85	78.0	-0.6299	0.6352	0.055
0.85	90.0	0.0169	0.6824	0.03
0.85	102.0	-0.6351	0.5468	0.0553
0.85	114.0	-0.4569	0.6765	0.0449
0.85	174.0	-0.3101	0.8626	0.0376
0.85	186.0	-0.26	0.5675	0.0355
0.85	198.0	-0.1785	0.5586	0.0327
0.85	210.0	0.7538	0.6615	0.0627
0.85	222.0	-0.3476	0.5394	0.0393
0.85	234.0	-0.0742	0.601	0.0305
0.85	246.0	0.282	0.8483	0.0364
0.85	258.0	0.3202	0.9265	0.038
0.95	174.0	-1.1587	0.6249	0.0898
0.95	186.0	0.2758	0.7541	0.0361
0.95	198.0	-0.3755	0.6945	0.0407
0.95	210.0	0.1367	0.7907	0.0316
0.95	222.0	0.8528	0.7152	0.0692
0.95	234.0	0.7115	0.6722	0.06
0.95	246.0	0.6053	0.7752	0.0535

CLAS Physics Database