Measurement E151M1165

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:	0.0855
Q²:	0.1715 GeV²
W:	1775.0 GeV
E_beam:	2.999 GeV
ε:	0.8441

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.65	114.0	-2.0122	0.6212	0.1501
0.75	90.0	-1.0109	0.7794	0.0797
0.75	102.0	0.6108	1.0332	0.0538
0.75	198.0	2.1117	1.0568	0.1572
0.75	210.0	0.9185	1.0106	0.0735
0.75	222.0	0.0385	0.8194	0.0301
0.75	294.0	-0.2334	0.8338	0.0345
0.85	78.0	-0.2351	0.8608	0.0346
0.85	90.0	-0.3373	0.6378	0.0388
0.85	102.0	-0.9399	0.5969	0.075
0.85	114.0	-0.4071	0.7078	0.0423
0.85	186.0	0.383	0.8679	0.041
0.85	198.0	-0.4833	0.5751	0.0463
0.85	210.0	-0.9935	0.5459	0.0786
0.85	222.0	-0.7152	0.5212	0.0603
0.85	234.0	-0.1725	0.7977	0.0325
0.85	246.0	-0.5272	0.8217	0.0488
0.95	102.0	-0.5788	0.7872	0.0519
0.95	114.0	0.0829	0.84	0.0306
0.95	186.0	-0.0921	0.9113	0.0307
0.95	198.0	-0.2618	0.8085	0.0356
0.95	210.0	0.8254	0.8144	0.0674
0.95	222.0	-0.5792	0.6064	0.0519
0.95	234.0	0.8421	0.9128	0.0685

CLAS Physics Database