Measurement E151M3271

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:	0.3993
Q²:	0.2915 GeV²
W:	1445.0 GeV
E_beam:	2.2596 GeV
ε:	0.8741

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.75	90.0	0.0808	0.2495	0.03
0.95	306.0	-0.1751	0.2637	0.0302
0.65	114.0	0.2066	0.2561	0.0303
0.75	90.0	0.2162	0.2464	0.0303
0.75	270.0	-0.0453	0.2433	0.03
0.85	222.0	0.0261	0.2522	0.03
0.85	234.0	-0.1351	0.2313	0.0301
0.85	258.0	-0.1509	0.2274	0.0302
0.85	282.0	-0.0915	0.2442	0.0301
0.95	294.0	-0.0183	0.2613	0.03

CLAS Physics Database