Measurement E151M3563

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:	0.2816
Q²:	0.5925 GeV²
W:	1655.0 GeV
E_beam:	2.999 GeV
ε:	0.8109

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.55	114.0	-0.6139	0.2165	0.0324
0.75	222.0	-0.0717	0.2761	0.03
0.85	66.0	0.2006	0.2788	0.0303
0.85	234.0	-0.3189	0.2642	0.0307
0.85	246.0	0.4866	0.2243	0.0315
0.85	258.0	-0.2234	0.2468	0.0303
0.85	270.0	-0.3216	0.2974	0.0307
0.95	246.0	-0.0576	0.2722	0.03
0.95	258.0	0.1828	0.2707	0.0302
0.95	270.0	-0.3677	0.2675	0.0309
0.95	282.0	0.2034	0.2507	0.0303

CLAS Physics Database