Measurement E151M3182

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:	1.028
Q²:	0.2445 GeV²
W:	1235.0 GeV
E_beam:	2.2596 GeV
ε:	0.9443

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.65	282.0	0.1054	0.2504	0.0301
0.65	294.0	0.0929	0.256	0.0301
0.75	282.0	0.0073	0.2358	0.03
0.85	78.0	0.1213	0.2643	0.0301
0.85	90.0	-0.3662	0.2172	0.0309
0.85	114.0	0.6228	0.2062	0.0325
0.55	270.0	0.3009	0.2562	0.0306
0.55	282.0	-0.4124	0.2303	0.0311
0.75	282.0	-0.3063	0.2189	0.0306
0.85	90.0	-0.3327	0.22	0.0307
0.85	102.0	-0.1885	0.2509	0.0302
0.85	282.0	0.2512	0.2391	0.0304

CLAS Physics Database