Measurement E151M3466

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:	0.6528
Q²:	0.7075 GeV²
W:	1415.0 GeV
E_beam:	2.999 GeV
ε:	0.8767

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.85	270.0	0.4159	0.23	0.0311
0.85	306.0	0.2682	0.2535	0.0305
0.85	318.0	0.2463	0.2614	0.0304

CLAS Physics Database