Measurement E151M3591

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:	0.0438
Q²:	0.0707 GeV²
W:	1745.0 GeV
E_beam:	2.999 GeV
ε:	0.8789

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.65	210.0	-0.1947	0.2521	0.0303
0.75	198.0	-0.1032	0.2625	0.0301
0.75	210.0	-0.1329	0.229	0.0301
0.75	222.0	0.6632	0.2088	0.0328
0.75	282.0	-0.0797	0.2704	0.03
0.85	90.0	0.4143	0.2342	0.0311
0.85	102.0	0.0555	0.2679	0.03
0.85	114.0	-0.2938	0.2124	0.0306
0.85	126.0	0.0054	0.2695	0.03
0.85	186.0	0.0719	0.2538	0.03
0.85	210.0	-0.0939	0.2355	0.0301
0.85	222.0	-0.076	0.2724	0.03
0.85	234.0	-0.3117	0.2369	0.0306

CLAS Physics Database