Measurement E151M2940

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:	0.784
Q²:	0.205 GeV²
W:	1265.0 GeV
E_beam:	1.9889 GeV
ε:	0.9289

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.25	66.0	0.1349	0.2071	0.0301
0.35	66.0	0.2586	0.2126	0.0304
0.35	78.0	-0.0738	0.2215	0.03
0.45	66.0	-0.2689	0.2296	0.0305
0.45	78.0	-0.4027	0.2347	0.0311
0.45	282.0	-0.1923	0.228	0.0302
0.55	66.0	-0.2159	0.2698	0.0303
0.55	270.0	0.5033	0.1899	0.0316
0.55	282.0	-0.1577	0.2235	0.0302
0.65	258.0	0.0908	0.2281	0.0301
0.65	270.0	-0.2322	0.2037	0.0304
0.65	282.0	0.3955	0.1541	0.031
0.65	294.0	-0.1513	0.2174	0.0302
0.75	78.0	0.1826	0.2139	0.0302
0.75	90.0	0.2725	0.1969	0.0305
0.75	102.0	0.0794	0.2615	0.03
0.75	114.0	0.2182	0.2498	0.0303
0.75	258.0	0.0254	0.2027	0.03
0.75	270.0	-0.1641	0.1973	0.0302
0.75	282.0	-0.0537	0.2159	0.03
0.85	78.0	0.0657	0.1965	0.03
0.85	90.0	0.2956	0.2132	0.0306
0.85	102.0	-0.0002	0.2087	0.03
0.85	114.0	-0.0549	0.2114	0.03
0.85	126.0	-0.101	0.2139	0.0301
0.85	234.0	-0.2029	0.2702	0.0303
0.85	246.0	-0.1251	0.1861	0.0301
0.85	258.0	-0.0278	0.2247	0.03
0.85	270.0	-0.171	0.1956	0.0302
0.85	282.0	-0.1109	0.1802	0.0301
0.85	294.0	-0.0865	0.1835	0.03
0.95	78.0	0.3197	0.2368	0.0307
0.95	90.0	0.6645	0.1392	0.0328
0.95	102.0	-0.0966	0.2334	0.0301
0.95	114.0	-0.1327	0.2017	0.0301
0.95	126.0	0.1671	0.2465	0.0302
0.95	138.0	0.1939	0.2575	0.0302
0.95	150.0	0.2748	0.2105	0.0305
0.95	246.0	-0.306	0.2667	0.0306
0.95	270.0	-0.3297	0.2279	0.0307

CLAS Physics Database