Measurement E151M2675

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:	0.8967
Q²:	0.2445 GeV²
W:	1235.0 GeV
E_beam:	1.3383 GeV
ε:	0.8237

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.55	270.0	0.2202	0.3073	0.0303
0.55	294.0	0.0457	0.3652	0.03
0.65	282.0	0.2275	0.3723	0.0303
0.75	270.0	-0.4132	0.3121	0.0311
0.75	282.0	-0.3392	0.348	0.0308
0.85	90.0	0.1878	0.3887	0.0302
0.85	102.0	-0.3935	0.3808	0.031
0.85	126.0	0.4297	0.3678	0.0312
0.85	306.0	-0.4349	0.3219	0.0312
0.95	138.0	0.3843	0.3596	0.031
0.35	282.0	-0.5317	0.2507	0.0318
0.45	270.0	0.0553	0.2494	0.03
0.45	282.0	-0.3625	0.2651	0.0309
0.45	294.0	-0.5523	0.2269	0.032
0.55	282.0	0.1848	0.2589	0.0302
0.65	282.0	0.5147	0.2519	0.0317
0.75	258.0	-0.2424	0.289	0.0304
0.75	282.0	-0.2166	0.2542	0.0303
0.85	126.0	-0.2761	0.2641	0.0305

CLAS Physics Database