Measurement E151M3033

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:	0.3463
Q²:	0.2445 GeV²
W:	1445.0 GeV
E_beam:	1.9889 GeV
ε:	0.8482

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.15	66.0	-0.1038	0.2821	0.0301
0.35	66.0	0.0745	0.2251	0.03
0.35	282.0	-0.3172	0.2728	0.0307
0.35	294.0	0.0076	0.2711	0.03
0.55	114.0	-0.2149	0.259	0.0303
0.65	102.0	0.1682	0.2153	0.0302
0.65	114.0	-0.0132	0.2138	0.03
0.65	258.0	-0.1942	0.2661	0.0303
0.75	90.0	0.0656	0.2055	0.03
0.75	102.0	-0.0499	0.2139	0.03
0.75	114.0	-0.0165	0.237	0.03
0.75	126.0	-0.0516	0.264	0.03
0.75	234.0	0.1959	0.239	0.0303
0.75	246.0	0.1332	0.2531	0.0301
0.75	258.0	-0.5536	0.2095	0.032
0.75	270.0	-0.4606	0.2001	0.0314
0.85	66.0	-0.2299	0.2552	0.0304
0.85	78.0	-0.2304	0.2438	0.0304
0.85	90.0	0.3603	0.2509	0.0309
0.85	102.0	0.3864	0.2601	0.031
0.85	114.0	-0.104	0.2228	0.0301
0.85	126.0	0.2752	0.2326	0.0305
0.85	210.0	-0.6089	0.2574	0.0324
0.85	234.0	-0.0425	0.2419	0.03
0.85	246.0	-0.1037	0.2447	0.0301
0.85	258.0	-0.0581	0.1987	0.03
0.85	270.0	-0.1654	0.2393	0.0302
0.85	282.0	-0.0958	0.2121	0.0301
0.95	234.0	-0.1185	0.2767	0.0301
0.95	258.0	0.1675	0.2492	0.0302
0.95	270.0	0.2263	0.232	0.0303
0.95	282.0	-0.0824	0.2481	0.03
0.95	294.0	0.226	0.2476	0.0303

CLAS Physics Database