Measurement E151M1870

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_LL
ε_L:	0.1805
Q²:	0.205 GeV²
W:	1565.0 GeV
E_beam:	1.9889 GeV
ε:	0.7866

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty	syst. uncert.
0.65	114.0	0.6714	0.9189	0.0505
0.65	126.0	0.2041	0.9763	0.0324
0.65	222.0	-0.4893	0.9062	0.0422
0.65	294.0	-0.0679	0.8577	0.0303
0.75	102.0	-0.7166	0.9304	0.0528
0.75	126.0	0.0871	0.8614	0.0305
0.75	222.0	0.2377	0.8049	0.0333
0.75	246.0	-1.4899	0.7352	0.0951
0.85	222.0	-0.3034	0.7139	0.0352
0.85	234.0	-0.9038	0.6433	0.0624
0.85	246.0	-0.7073	0.7886	0.0523
0.85	258.0	1.4009	0.6943	0.09
0.85	270.0	-0.4522	0.8792	0.0406
0.95	210.0	-0.0773	0.7612	0.0304
0.95	246.0	-0.5899	0.693	0.0467
0.95	270.0	-0.3326	0.6993	0.0361

CLAS Physics Database