Measurement E151M3285

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:	0.3512
Q²:	0.2915 GeV²
W:	1475.0 GeV
E_beam:	2.2596 GeV
ε:	0.8612

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.75	90.0	-0.3999	0.2102	0.031
0.75	102.0	0.2178	0.2453	0.0303
0.75	246.0	-0.117	0.2517	0.0301
0.85	234.0	-0.2268	0.2468	0.0303
0.85	246.0	0.2628	0.2366	0.0305
0.85	270.0	-0.0193	0.2497	0.03
0.95	282.0	0.3159	0.2367	0.0307
0.65	114.0	0.0903	0.25	0.0301
0.75	246.0	-0.0856	0.2567	0.03
0.85	66.0	0.0241	0.2656	0.03
0.85	114.0	0.3479	0.2621	0.0308
0.85	258.0	-0.2866	0.238	0.0305
0.85	282.0	0.2166	0.2607	0.0303

CLAS Physics Database