Measurement E151M3589

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:	0.2145
Q²:	0.496 GeV²
W:	1715.0 GeV
E_beam:	2.999 GeV
ε:	0.8027

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.75	78.0	0.0334	0.2845	0.03
0.85	66.0	0.3537	0.2407	0.0308
0.85	78.0	0.4227	0.2241	0.0312
0.85	222.0	-0.1059	0.2748	0.0301
0.85	246.0	-0.4026	0.2357	0.0311
0.95	198.0	-0.1344	0.2194	0.0301
0.95	210.0	-0.1186	0.2711	0.0301
0.95	222.0	-0.207	0.2316	0.0303
0.95	246.0	0.4804	0.2093	0.0315
0.95	258.0	-0.0522	0.2594	0.03
0.95	270.0	-0.4528	0.2528	0.0313
0.95	282.0	-0.0224	0.2715	0.03
0.95	294.0	-0.4777	0.2355	0.0315

CLAS Physics Database