Measurement E151M3035

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:	0.4107
Q²:	0.348 GeV²
W:	1445.0 GeV
E_beam:	1.9889 GeV
ε:	0.8109

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.65	90.0	0.349	0.2424	0.0308
0.65	102.0	-0.1187	0.2539	0.0301
0.75	90.0	0.3987	0.2529	0.031
0.75	102.0	-0.3886	0.2489	0.031
0.75	246.0	-0.0122	0.2776	0.03
0.75	258.0	-0.2193	0.2376	0.0303
0.75	270.0	-0.4289	0.2356	0.0312
0.85	246.0	-0.2179	0.2466	0.0303
0.85	270.0	0.5062	0.2417	0.0317
0.85	282.0	0.191	0.2386	0.0302
0.85	294.0	-0.0971	0.2439	0.0301
0.95	282.0	0.1492	0.2553	0.0301
0.95	294.0	0.359	0.262	0.0308

CLAS Physics Database