Measurement E151M3077

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:	0.2065
Q²:	0.205 GeV²
W:	1535.0 GeV
E_beam:	1.9889 GeV
ε:	0.8083

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.35	282.0	0.1609	0.2611	0.0302
0.35	294.0	-0.1584	0.2554	0.0302
0.45	282.0	-0.1593	0.2731	0.0302
0.45	294.0	0.3096	0.2563	0.0306
0.55	114.0	-0.0977	0.2673	0.0301
0.55	306.0	0.1929	0.2554	0.0302
0.65	102.0	-0.0959	0.2522	0.0301
0.65	114.0	0.0123	0.2178	0.03
0.65	222.0	-0.2887	0.2534	0.0306
0.65	234.0	0.0525	0.2518	0.03
0.75	102.0	0.3977	0.2091	0.031
0.75	114.0	-0.0156	0.2276	0.03
0.75	138.0	-0.1524	0.2832	0.0302
0.75	210.0	0.1454	0.2536	0.0301
0.75	222.0	-0.1011	0.2713	0.0301
0.75	234.0	-0.0465	0.2586	0.03
0.75	246.0	0.2655	0.2217	0.0305
0.75	258.0	-0.2032	0.2806	0.0303
0.85	78.0	0.5332	0.2362	0.0318
0.85	90.0	-0.113	0.2295	0.0301
0.85	138.0	0.4548	0.2172	0.0313
0.85	210.0	-0.2451	0.2436	0.0304
0.85	222.0	0.1083	0.2127	0.0301
0.85	234.0	0.5859	0.1791	0.0322
0.85	246.0	0.1953	0.2052	0.0303
0.85	258.0	-0.1564	0.2337	0.0302
0.95	222.0	0.1293	0.2677	0.0301
0.95	246.0	0.1591	0.2618	0.0302
0.95	258.0	-0.2595	0.2242	0.0304
0.95	270.0	-0.1099	0.2475	0.0301
0.95	282.0	-0.0276	0.2646	0.03

CLAS Physics Database