Measurement E151M3094

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:	0.2225
Q²:	0.2915 GeV²
W:	1565.0 GeV
E_beam:	1.9889 GeV
ε:	0.75

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.85	234.0	-0.115	0.2614	0.0301
0.85	246.0	-0.2399	0.2653	0.0304
0.95	222.0	-0.2427	0.2655	0.0304
0.95	258.0	-0.3219	0.218	0.0307

CLAS Physics Database