Measurement E151M2827

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:	0.1968
Q²:	0.205 GeV²
W:	1475.0 GeV
E_beam:	1.3383 GeV
ε:	0.6135

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.65	126.0	-0.3954	0.3177	0.031
0.65	246.0	-0.1851	0.3528	0.0302
0.75	234.0	-0.07	0.2851	0.03
0.75	258.0	0.1725	0.3453	0.0302
0.85	258.0	0.4772	0.279	0.0315
0.55	246.0	0.2506	0.2706	0.0304
0.85	270.0	-0.323	0.2625	0.0307
0.95	102.0	0.4306	0.2618	0.0312

CLAS Physics Database