Measurement E151M3176

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:	0.544
Q²:	0.0844 GeV²
W:	1235.0 GeV
E_beam:	2.2596 GeV
ε:	0.9728

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.45	78.0	0.0359	0.2018	0.03
0.55	78.0	-0.1617	0.2292	0.0302
0.65	270.0	0.2366	0.2162	0.0304
0.65	282.0	0.1235	0.2427	0.0301
0.75	258.0	-0.2213	0.2262	0.0303
0.75	270.0	0.0417	0.2053	0.03
0.85	114.0	0.2581	0.2134	0.0304
0.85	126.0	-0.1714	0.2134	0.0302
0.85	138.0	0.308	0.2337	0.0306
0.95	126.0	0.1708	0.2431	0.0302
0.95	138.0	0.4899	0.1897	0.0316
0.95	150.0	-0.0382	0.2177	0.03
0.95	162.0	-0.2077	0.2798	0.0303
0.35	78.0	0.0982	0.2622	0.0301
0.45	78.0	-0.0223	0.1826	0.03
0.55	78.0	0.0196	0.2	0.03
0.55	90.0	-0.5388	0.2262	0.0319
0.55	270.0	0.4131	0.2189	0.0311
0.65	258.0	-0.2723	0.237	0.0305
0.65	270.0	-0.047	0.1756	0.03
0.65	282.0	-0.3271	0.2179	0.0307
0.75	114.0	-0.3192	0.2276	0.0307
0.75	246.0	-0.3309	0.2429	0.0307
0.75	258.0	-0.1099	0.1886	0.0301
0.75	270.0	-0.2618	0.1961	0.0305
0.85	102.0	-0.1529	0.2064	0.0302
0.85	114.0	0.094	0.2153	0.0301
0.85	126.0	0.0877	0.1759	0.0301
0.85	138.0	0.3929	0.1774	0.031
0.85	150.0	-0.0963	0.2144	0.0301
0.85	234.0	0.064	0.2392	0.03
0.85	246.0	-0.2532	0.2266	0.0304
0.85	258.0	-0.1664	0.1821	0.0302
0.85	270.0	-0.2049	0.222	0.0303
0.95	114.0	0.0474	0.2295	0.03
0.95	126.0	0.2222	0.2035	0.0303
0.95	138.0	0.185	0.2278	0.0302
0.95	150.0	-0.2538	0.192	0.0304
0.95	162.0	0.1182	0.2299	0.0301
0.95	174.0	-0.0611	0.1959	0.03
0.95	198.0	0.3022	0.2351	0.0306

CLAS Physics Database