Measurement E151M443

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:	0.0176
Q²:	0.0245 GeV²
W:	1595.0 GeV
E_beam:	1.3383 GeV
ε:	0.5823

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.55	210.0	-1.3919	0.6039	0.089
0.55	222.0	-0.6064	0.8737	0.0473
0.75	222.0	-0.8973	0.6105	0.0618
0.85	138.0	-1.0999	0.7434	0.0727
0.85	222.0	0.8748	1.1996	0.0606
0.85	234.0	1.4776	1.0661	0.0939
0.45	246.0	-0.4033	0.7192	0.039
0.55	234.0	-0.695	0.6571	0.0525
0.75	210.0	0.816	0.7409	0.0588
0.75	234.0	1.3818	0.6456	0.0907
0.85	138.0	-0.3854	0.7049	0.0383
0.85	234.0	0.6857	0.6383	0.052
0.85	246.0	-0.2404	0.6779	0.0335

CLAS Physics Database