Measurement E151M517

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:	0.1663
Q²:	0.0415 GeV²
W:	1325.0 GeV
E_beam:	1.9889 GeV
ε:	0.955

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.15	306.0	-0.7259	0.5435
0.25	294.0	-0.5909	0.4561
0.25	306.0	-0.6836	0.3904
0.25	318.0	0.1055	0.6504
0.35	66.0	0.2619	0.4678
0.35	78.0	0.5182	0.46
0.35	90.0	-0.128	0.6594
0.35	282.0	-0.1758	0.494
0.35	294.0	0.4532	0.3794
0.35	306.0	-0.2152	0.3788
0.45	66.0	0.4527	0.4094
0.45	78.0	-0.0572	0.3119
0.45	90.0	-0.3577	0.3933
0.45	282.0	0.3057	0.4322
0.45	294.0	-0.2607	0.3413
0.45	306.0	-0.0428	0.4817
0.55	66.0	0.7032	0.5268
0.55	78.0	0.742	0.3413
0.55	90.0	0.7498	0.3896
0.55	102.0	0.8726	0.5655
0.55	246.0	-0.1483	0.5199
0.55	258.0	-0.0351	0.5181
0.55	270.0	-1.0257	0.3484
0.55	282.0	-0.1108	0.3963
0.55	294.0	0.0631	0.4535
0.65	66.0	-0.4399	0.5635
0.65	78.0	-0.1436	0.3674
0.65	90.0	0.6724	0.5381
0.65	102.0	0.2247	0.5194
0.65	114.0	0.4634	0.4474
0.65	126.0	0.7632	0.5051
0.65	138.0	0.6921	0.5467
0.65	222.0	-0.1454	0.5325
0.65	234.0	-0.2213	0.4489
0.65	246.0	-0.1402	0.3494
0.65	258.0	0.4359	0.3779
0.65	270.0	0.953	0.4253
0.65	282.0	0.558	0.6007
0.75	90.0	0.864	0.6391
0.75	102.0	0.5271	0.4274
0.75	114.0	0.2204	0.35
0.75	126.0	-0.2739	0.3631
0.75	138.0	-0.1826	0.3584
0.75	150.0	-0.2666	0.4319
0.75	162.0	-0.1095	0.6005
0.75	210.0	-0.6256	0.4906
0.75	222.0	-0.437	0.3451
0.75	234.0	0.4924	0.347
0.75	246.0	-0.1867	0.2789
0.75	258.0	0.6831	0.3906
0.75	270.0	0.5616	0.431
0.85	114.0	0.33	0.3939
0.85	126.0	0.1544	0.3719
0.85	138.0	-0.3213	0.3051
0.85	150.0	-0.1938	0.4123
0.85	162.0	-0.2749	0.435
0.85	174.0	-1.1436	0.4604
0.85	198.0	-0.1944	0.5802
0.85	210.0	0.3699	0.4571
0.85	222.0	0.1768	0.3474
0.85	234.0	0.0934	0.3386
0.85	246.0	0.046	0.2897
0.85	258.0	-0.5101	0.2845
0.85	270.0	-0.3378	0.3653
0.95	138.0	0.8635	0.6193
0.95	198.0	0.709	0.6356
0.95	210.0	0.534	0.5449
0.95	222.0	-0.3015	0.4193
0.95	234.0	-0.5979	0.3572

CLAS Physics Database