Measurement E151M951

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:	0.9733
Q²:	0.205 GeV²
W:	1235.0 GeV
E_beam:	2.999 GeV
ε:	0.9737

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.15	66.0	0.0232	0.5623
0.25	54.0	0.3825	0.6945
0.25	66.0	0.3843	0.4987
0.35	66.0	-0.746	0.365
0.35	78.0	0.4787	0.6031
0.35	282.0	0.3594	0.6019
0.35	294.0	-0.5651	0.5275
0.45	66.0	-0.7116	0.4592
0.45	78.0	0.2094	0.5583
0.45	282.0	-0.4078	0.3943
0.45	294.0	-0.179	0.398
0.55	66.0	-0.9558	0.4875
0.55	78.0	-1.4756	0.4031
0.55	270.0	1.2269	0.5935
0.55	282.0	0.721	0.4146
0.55	294.0	-0.3157	0.3526
0.65	66.0	-0.8416	0.482
0.65	78.0	-0.1089	0.5003
0.65	90.0	-0.0744	0.6315
0.65	270.0	-0.3312	0.3115
0.65	282.0	-0.1652	0.2905
0.65	294.0	0.1975	0.3433
0.75	66.0	0.1954	0.4627
0.75	78.0	0.0772	0.4051
0.75	90.0	-0.2696	0.3564
0.75	102.0	0.3672	0.4742
0.75	114.0	0.9096	0.8092
0.75	258.0	0.0433	0.405
0.75	270.0	-0.0231	0.3368
0.75	282.0	-0.2118	0.3236
0.75	294.0	0.0843	0.4047
0.75	306.0	-0.1159	0.5688
0.85	54.0	0.0266	0.5692
0.85	66.0	-0.2845	0.319
0.85	78.0	0.0264	0.3365
0.85	90.0	0.2501	0.3288
0.85	102.0	0.2797	0.3387
0.85	114.0	-0.5403	0.3818
0.85	126.0	0.4788	0.7277
0.85	246.0	-0.4622	0.5035
0.85	258.0	0.2046	0.4761
0.85	270.0	0.0387	0.3849
0.85	282.0	-0.1201	0.3314
0.85	294.0	-0.3663	0.3745
0.85	306.0	-0.3623	0.4801
0.95	42.0	-0.0686	0.5776
0.95	54.0	0.6559	0.5466
0.95	66.0	0.3936	0.4209
0.95	78.0	-0.2869	0.3577
0.95	90.0	-0.1927	0.3353
0.95	102.0	-0.0458	0.3817
0.95	114.0	-0.4624	0.3747
0.95	126.0	-0.1904	0.3954
0.95	138.0	0.6413	0.5241
0.95	150.0	0.1662	0.5239
0.95	162.0	-0.3309	0.561
0.95	174.0	0.7764	0.7594
0.95	210.0	-0.0026	0.6477
0.95	234.0	1.0707	0.5784
0.95	246.0	0.865	0.5958
0.95	258.0	-0.4852	0.4292
0.95	270.0	0.7429	0.5157
0.95	282.0	0.4378	0.5066
0.95	294.0	-0.1797	0.4954
0.95	306.0	0.2127	0.6028

CLAS Physics Database