Measurement E151M3646

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:	0.0827
Q²:	0.2445 GeV²
W:	1865.0 GeV
E_beam:	2.999 GeV
ε:	0.7757

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.85	90.0	-0.4677	0.2311	0.0314
0.85	186.0	-0.3085	0.2519	0.0306
0.85	210.0	0.1043	0.2479	0.0301
0.95	222.0	-0.2137	0.2635	0.0303

CLAS Physics Database