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	syst. uncert.
0.55	90.0	0.1595	0.2432	0.0302
0.65	78.0	0.0131	0.2672	0.03
0.65	90.0	0.1162	0.2441	0.0301
0.65	114.0	-0.05	0.2806	0.03
0.75	90.0	-0.1185	0.2593	0.0301
0.75	114.0	0.4236	0.2329	0.0312
0.75	246.0	-0.137	0.2695	0.0301
0.75	270.0	-0.1259	0.269	0.0301
0.85	54.0	0.1104	0.3078	0.0301
0.85	102.0	0.394	0.2422	0.031
0.85	222.0	-0.0782	0.2488	0.03
0.85	234.0	0.0531	0.2477	0.03
0.85	246.0	0.2787	0.2517	0.0305
0.85	270.0	-0.1059	0.2539	0.0301
0.85	282.0	-0.5534	0.2192	0.032
0.85	294.0	0.2751	0.222	0.0305
0.85	306.0	0.3707	0.2585	0.0309
0.95	294.0	0.1539	0.2248	0.0302
0.95	306.0	0.2726	0.2439	0.0305

CLAS Physics Database