Measurement E151M2926

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:	0.9358
Q²:	0.205 GeV²
W:	1235.0 GeV
E_beam:	1.9889 GeV
ε:	0.9361

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.25	66.0	-0.0527	0.2788	0.03
0.35	66.0	0.3423	0.2029	0.0308
0.35	78.0	0.0701	0.2698	0.03
0.45	66.0	0.1176	0.2734	0.0301
0.45	78.0	-0.0486	0.269	0.03
0.45	282.0	-0.3497	0.2229	0.0308
0.45	294.0	-0.015	0.2819	0.03
0.55	270.0	0.1984	0.263	0.0303
0.55	282.0	-0.2131	0.2786	0.0303
0.55	294.0	-0.4554	0.2464	0.0314
0.65	270.0	-0.5073	0.2101	0.0317
0.65	282.0	0.3448	0.2133	0.0308
0.65	294.0	0.1279	0.2453	0.0301
0.75	90.0	0.0921	0.2863	0.0301
0.75	102.0	-0.4116	0.2367	0.0311
0.75	258.0	0.15	0.2684	0.0301
0.75	270.0	0.3532	0.2209	0.0308
0.75	282.0	-0.2057	0.2197	0.0303
0.75	294.0	-0.1297	0.2698	0.0301
0.85	78.0	0.1977	0.2145	0.0303
0.85	90.0	-0.2258	0.219	0.0303
0.85	102.0	-0.0301	0.2298	0.03
0.85	114.0	0.3638	0.2028	0.0309
0.85	258.0	-0.4241	0.2275	0.0312
0.85	270.0	0.4014	0.2057	0.0311
0.85	282.0	0.1506	0.2564	0.0302
0.95	66.0	0.1959	0.2312	0.0303
0.95	78.0	0.4439	0.2586	0.0313
0.95	90.0	-0.2707	0.2225	0.0305
0.95	102.0	0.06	0.2202	0.03
0.95	114.0	0.2132	0.2299	0.0303
0.95	126.0	-0.025	0.2783	0.03
0.95	138.0	-0.08	0.2756	0.03

CLAS Physics Database