Measurement E151M3368

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:	0.067
Q²:	0.101 GeV²
W:	1685.0 GeV
E_beam:	2.2596 GeV
ε:	0.7993

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.85	102.0	0.3889	0.2304
0.85	126.0	-0.0529	0.2649
0.85	210.0	-0.0041	0.2534
0.65	294.0	-0.094	0.2577
0.85	114.0	0.222	0.2611
0.85	234.0	-0.5742	0.1991

CLAS Physics Database