Measurement E151M3155

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:	0.0203
Q²:	0.0348 GeV²
W:	1715.0 GeV
E_beam:	1.9889 GeV
ε:	0.7292

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.55	210.0	0.0781	0.2639	0.03
0.65	210.0	-0.0286	0.2588	0.03
0.75	198.0	0.0098	0.2714	0.03
0.75	210.0	0.24	0.2524	0.0304
0.75	258.0	-0.1008	0.2777	0.0301
0.75	270.0	-0.4849	0.2287	0.0315
0.75	282.0	-0.2873	0.2544	0.0305
0.85	126.0	-0.0487	0.2377	0.03
0.85	210.0	0.1173	0.2462	0.0301

CLAS Physics Database