Measurement E151M3501

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:	0.4643
Q²:	0.5925 GeV²
W:	1505.0 GeV
E_beam:	2.999 GeV
ε:	0.8698

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.55	90.0	0.1595	0.2432
0.65	78.0	0.0131	0.2672
0.65	90.0	0.1162	0.2441
0.65	114.0	-0.05	0.2806
0.75	90.0	-0.1185	0.2593
0.75	114.0	0.4236	0.2329
0.75	246.0	-0.137	0.2695
0.75	270.0	-0.1259	0.269
0.85	54.0	0.1104	0.3078
0.85	102.0	0.394	0.2422
0.85	222.0	-0.0782	0.2488
0.85	234.0	0.0531	0.2477
0.85	246.0	0.2787	0.2517
0.85	270.0	-0.1059	0.2539
0.85	282.0	-0.5534	0.2192
0.85	294.0	0.2751	0.222
0.85	306.0	0.3707	0.2585
0.95	294.0	0.1539	0.2248
0.95	306.0	0.2726	0.2439

CLAS Physics Database