Measurement E151M2788

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_LU
ε_L:	0.2595
Q²:	0.1715 GeV²
W:	1415.0 GeV
E_beam:	1.3383 GeV
ε:	0.7187

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.75	234.0	0.5907	0.2657	0.0322
0.75	246.0	-0.2939	0.4042	0.0306
0.85	258.0	0.3036	0.3117	0.0306
0.65	246.0	-0.542	0.2552	0.0319
0.75	246.0	0.0041	0.2816	0.03
0.85	258.0	0.0409	0.2595	0.03
0.85	270.0	-0.099	0.276	0.0301
0.95	258.0	-0.3314	0.2436	0.0307

CLAS Physics Database