Measurement E151M987

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:	0.8865
Q²:	0.5925 GeV²
W:	1325.0 GeV
E_beam:	2.999 GeV
ε:	0.9152

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.55	78.0	-0.4277	0.6712	0.0433
0.55	282.0	0.4399	0.7311	0.044
0.65	90.0	-1.0055	0.5519	0.0794
0.65	282.0	0.2595	0.7217	0.0355
0.75	66.0	1.0357	0.7454	0.0814
0.75	78.0	0.4997	0.7503	0.0473
0.75	258.0	1.0851	0.6749	0.0848
0.75	282.0	-1.4945	0.3411	0.1133
0.75	294.0	0.6372	0.6451	0.0554
0.75	306.0	-0.6143	0.6035	0.054
0.85	66.0	-0.8568	0.5574	0.0694
0.85	78.0	0.0911	0.6527	0.0307
0.85	90.0	-0.3971	0.5417	0.0417
0.85	102.0	1.3557	0.7991	0.1035
0.85	114.0	0.6857	0.8841	0.0584
0.85	234.0	0.5375	0.736	0.0494
0.85	258.0	-0.3491	0.5855	0.0394
0.85	270.0	0.1112	0.607	0.0311
0.85	282.0	-1.5927	0.3743	0.1202
0.85	294.0	-1.1273	0.4756	0.0877
0.85	306.0	-1.0184	0.5254	0.0803
0.85	318.0	-0.4681	0.6106	0.0455
0.85	330.0	-0.4868	0.5788	0.0465
0.95	234.0	0.1352	0.711	0.0316
0.95	246.0	-0.0973	0.6179	0.0308
0.95	258.0	0.0018	0.6425	0.03
0.95	270.0	0.905	0.7429	0.0726

CLAS Physics Database