Measurement E151M3537

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:	0.295
Q²:	0.4155 GeV²
W:	1595.0 GeV
E_beam:	2.999 GeV
ε:	0.8714

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.55	90.0	0.6076	0.234	0.0324
0.55	102.0	-0.3357	0.2572	0.0307
0.65	90.0	0.0266	0.2363	0.03
0.65	102.0	0.1358	0.2431	0.0301
0.65	114.0	-0.0413	0.2743	0.03
0.75	66.0	0.5675	0.1991	0.0321
0.75	78.0	-0.0072	0.2743	0.03
0.75	102.0	0.4151	0.1882	0.0311
0.75	114.0	0.1828	0.2657	0.0302
0.75	210.0	0.1367	0.2336	0.0301
0.75	222.0	-0.1505	0.2403	0.0302
0.75	234.0	-0.0778	0.2177	0.03
0.75	246.0	0.3222	0.2245	0.0307
0.85	54.0	0.6204	0.1897	0.0325
0.85	66.0	0.613	0.1947	0.0324
0.85	78.0	-0.2235	0.2712	0.0303
0.85	114.0	0.3165	0.2151	0.0307
0.85	210.0	0.0118	0.2211	0.03
0.85	222.0	-0.4959	0.1938	0.0316
0.85	234.0	-0.4312	0.2	0.0312
0.85	246.0	0.0533	0.1881	0.03
0.85	258.0	-0.0701	0.1906	0.03
0.85	270.0	0.093	0.2235	0.0301
0.85	282.0	-0.2869	0.2486	0.0305
0.95	186.0	-0.0991	0.2785	0.0301
0.95	210.0	-0.0463	0.2709	0.03
0.95	222.0	0.055	0.2632	0.03
0.95	234.0	-0.1346	0.21	0.0301
0.95	246.0	-0.2193	0.2205	0.0303
0.95	258.0	0.3462	0.2256	0.0308
0.95	270.0	0.1859	0.1889	0.0302
0.95	282.0	0.06	0.2197	0.03
0.95	294.0	-0.2017	0.2078	0.0303
0.95	306.0	-0.0454	0.2213	0.03
0.95	318.0	0.1369	0.2148	0.0301

CLAS Physics Database