Measurement E151M428

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:	0.0298
Q²:	0.0348 GeV²
W:	1565.0 GeV
E_beam:	1.3383 GeV
ε:	0.6254

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.55	138.0	0.6622	0.715
0.55	246.0	1.083	0.7089
0.65	222.0	0.4212	0.7189
0.65	234.0	1.3416	0.6044
0.65	246.0	0.4706	0.6701
0.75	162.0	-0.8278	0.7158
0.75	210.0	1.1841	0.7157
0.75	222.0	0.1601	0.6423
0.75	234.0	-1.1976	0.5972
0.85	138.0	0.6118	0.7291
0.85	222.0	0.4512	0.585
0.85	234.0	-0.8563	0.6582
0.85	246.0	0.2951	0.6288
0.35	42.0	1.0158	1.3222
0.45	222.0	0.181	1.0633
0.55	222.0	-0.3848	0.8961
0.55	234.0	-1.0474	0.6362
0.65	138.0	-1.4726	0.6527
0.65	150.0	0.6783	1.386
0.65	210.0	3.9357	3.9357
0.65	222.0	0.6661	1.2711
0.65	234.0	0.8975	1.2264
0.65	246.0	0.0906	1.0127
0.75	222.0	0.6558	1.0254
0.75	234.0	-0.1613	0.8805
0.75	246.0	0.079	1.2294
0.85	150.0	0.5657	1.3239
0.85	210.0	-0.001	1.021
0.85	222.0	-0.7155	0.611
0.85	234.0	0.1921	0.9894
0.85	246.0	0.6485	1.223

CLAS Physics Database