Measurement E151M157

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_UL
ε_L:	0.0849
Q²:	0.0496 GeV²
W:	1415.0 GeV
E_beam:	1.0539 GeV
ε:	0.6673

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.25	42.0	1.4452	0.7963	0.1671
0.25	54.0	-0.4679	0.7666	0.0611
0.35	42.0	0.1708	0.6308	0.0357
0.35	54.0	1.3651	0.7732	0.1582
0.45	30.0	0.7737	0.7733	0.093
0.45	42.0	0.8378	0.669	0.0999
0.45	54.0	-0.3669	0.7031	0.0514
0.45	246.0	-0.9696	0.729	0.1143
0.45	258.0	-1.0528	0.6574	0.1235
0.55	42.0	1.531	0.8986	0.1768
0.55	54.0	2.4581	0.7859	0.2813
0.55	222.0	-0.0171	0.6949	0.0301
0.55	234.0	-0.9171	0.5402	0.1086
0.55	246.0	-0.8105	0.5264	0.097
0.55	258.0	-0.7131	0.5316	0.0865
0.65	138.0	-0.5073	0.8125	0.065
0.65	150.0	-0.5603	0.7794	0.0705
0.65	162.0	-1.0438	0.6509	0.1225
0.65	174.0	1.2419	0.8722	0.1444
0.65	210.0	0.8242	0.8259	0.0984
0.65	222.0	-1.1434	0.5687	0.1335
0.65	234.0	0.5572	0.559	0.0701
0.65	246.0	0.1203	0.4856	0.033
0.65	258.0	-0.4063	0.489	0.0551
0.65	270.0	-0.8429	0.5795	0.1005
0.75	138.0	-0.4225	0.8014	0.0567
0.75	150.0	0.1745	0.7013	0.036
0.75	162.0	0.6844	0.7636	0.0834
0.75	174.0	0.157	0.733	0.0349
0.75	186.0	0.7634	0.7485	0.0919
0.75	222.0	-0.5611	0.6089	0.0705
0.75	234.0	2.1388	0.5905	0.2452
0.75	246.0	0.5397	0.5258	0.0683
0.75	258.0	0.0224	0.4701	0.0301
0.75	270.0	-0.7171	0.5653	0.0869
0.85	138.0	1.969	0.8205	0.226
0.85	174.0	-1.0363	0.6688	0.1217
0.85	222.0	0.4306	0.8108	0.0574
0.85	234.0	-0.0029	0.4774	0.03
0.85	246.0	0.2905	0.4894	0.0446
0.85	258.0	0.0421	0.4038	0.0304
0.85	270.0	0.3279	0.5456	0.0479
0.95	150.0	-0.4001	0.6188	0.0545
0.95	270.0	0.9369	0.6715	0.1107

CLAS Physics Database