Measurement E151M2420

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_LL
ε_L:	0.0463
Q²:	0.1205 GeV²
W:	1865.0 GeV
E_beam:	2.999 GeV
ε:	0.8064

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty	syst. uncert.
0.65	282.0	-2.2669	0.8192	0.1671
0.75	102.0	-0.2318	1.1055	0.0344
0.75	114.0	-1.2355	1.0739	0.0945
0.75	198.0	-1.7655	0.9234	0.1315
0.75	282.0	0.0037	1.0403	0.03
0.85	102.0	-0.9815	0.854	0.0772
0.85	114.0	0.4698	1.0191	0.0454
0.85	126.0	2.7641	0.9377	0.2027
0.85	174.0	0.7011	1.12	0.059
0.85	198.0	0.6036	0.8371	0.0531
0.85	210.0	-1.2877	0.9562	0.0981
0.85	222.0	-0.3027	0.9211	0.0372

CLAS Physics Database