Measurement E151M3385

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:	1.1684
Q²:	0.205 GeV²
W:	1205.0 GeV
E_beam:	2.999 GeV
ε:	0.9761

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.35	66.0	-0.0003	0.2581	0.03
0.45	282.0	-0.0081	0.2832	0.03
0.55	282.0	-0.1366	0.2016	0.0301
0.65	270.0	-0.6622	0.1942	0.0328
0.65	282.0	0.0613	0.1923	0.03
0.65	294.0	-0.2031	0.2027	0.0303
0.75	66.0	-0.1633	0.2456	0.0302
0.75	78.0	0.027	0.2748	0.03
0.75	90.0	0.0503	0.2494	0.03
0.75	258.0	-0.4871	0.2502	0.0315
0.75	270.0	-0.0743	0.2278	0.03
0.75	282.0	-0.1847	0.1856	0.0302
0.75	294.0	-0.2719	0.2156	0.0305
0.85	66.0	0.1004	0.1851	0.0301
0.85	78.0	0.3867	0.1912	0.031
0.85	90.0	-0.0587	0.1821	0.03
0.85	102.0	-0.1982	0.1887	0.0303
0.85	114.0	0.4725	0.2246	0.0315
0.85	258.0	-0.2349	0.276	0.0304
0.85	270.0	-0.4877	0.2127	0.0315
0.85	282.0	-0.2886	0.2081	0.0306
0.85	294.0	-0.3635	0.2577	0.0309
0.95	54.0	0.1243	0.2343	0.0301
0.95	66.0	0.3439	0.2075	0.0308
0.95	78.0	-0.0029	0.2258	0.03
0.95	90.0	0.3854	0.1896	0.031
0.95	102.0	0.2554	0.2338	0.0304
0.95	114.0	-0.0478	0.2041	0.03
0.95	126.0	0.2866	0.2224	0.0305

CLAS Physics Database