Measurement E151M489

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:	0.3315
Q²:	0.0593 GeV²
W:	1265.0 GeV
E_beam:	1.9889 GeV
ε:	0.9642

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.15	306.0	0.1964	0.5767
0.25	66.0	-0.1689	0.4558
0.25	294.0	0.11	0.4819
0.25	306.0	0.8271	0.4611
0.35	66.0	-0.2289	0.3375
0.35	78.0	0.2941	0.3832
0.35	294.0	0.704	0.4506
0.35	306.0	0.3936	0.5623
0.45	66.0	-0.0713	0.3472
0.45	78.0	-0.1868	0.257
0.45	90.0	-0.1241	0.3474
0.45	270.0	-0.0382	0.5142
0.45	282.0	0.1297	0.4352
0.45	294.0	0.2514	0.5322
0.55	66.0	0.3346	0.4927
0.55	78.0	0.455	0.3467
0.55	90.0	-0.0001	0.3483
0.55	258.0	-0.1199	0.466
0.55	270.0	0.3189	0.4639
0.55	282.0	0.3587	0.4019
0.65	78.0	0.6477	0.3689
0.65	90.0	-0.0864	0.3589
0.65	102.0	-0.0065	0.5078
0.65	114.0	0.0303	0.5557
0.65	246.0	-0.2858	0.3571
0.65	258.0	0.1084	0.2939
0.65	270.0	-0.4462	0.2547
0.65	282.0	0.3814	0.4109
0.75	90.0	-0.2335	0.3919
0.75	102.0	-0.5554	0.3174
0.75	114.0	0.2708	0.3826
0.75	126.0	0.4032	0.3997
0.75	138.0	-0.3351	0.4343
0.75	150.0	-0.0695	0.5428
0.75	234.0	0.8766	0.3995
0.75	246.0	0.2341	0.2891
0.75	258.0	-0.1038	0.2546
0.75	270.0	-0.07	0.278
0.75	282.0	0.0753	0.4617
0.85	102.0	-0.5923	0.3769
0.85	114.0	-0.277	0.2658
0.85	126.0	-0.0047	0.2685
0.85	138.0	0.0537	0.2776
0.85	150.0	1.1624	0.331
0.85	162.0	0.1473	0.4225
0.85	174.0	0.7391	0.4295
0.85	186.0	-0.3105	0.523
0.85	198.0	-0.1253	0.5292
0.85	210.0	0.0654	0.4387
0.85	222.0	0.2017	0.3651
0.85	234.0	-0.1911	0.3117
0.85	246.0	0.1095	0.2869
0.85	258.0	-0.0256	0.2851
0.85	270.0	-0.0174	0.3517
0.95	114.0	-0.3363	0.4405
0.95	126.0	-0.4524	0.3956
0.95	138.0	0.2192	0.3784
0.95	150.0	0.9449	0.3952
0.95	162.0	-0.1992	0.3373
0.95	174.0	-0.0168	0.3492
0.95	186.0	0.3372	0.4482
0.95	198.0	-0.7231	0.3573
0.95	210.0	-0.3862	0.4551
0.95	222.0	0.0465	0.4627
0.95	234.0	-0.3307	0.4252
0.95	246.0	-0.1406	0.4157

CLAS Physics Database