Measurement E151M525

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:	0.5076
Q²:	0.1715 GeV²
W:	1325.0 GeV
E_beam:	1.9889 GeV
ε:	0.9208

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.25	66.0	0.576	0.5913
0.25	306.0	-0.3174	0.5465
0.35	66.0	-0.1111	0.489
0.35	78.0	-0.4108	0.532
0.35	294.0	-0.1106	0.617
0.45	66.0	0.8264	0.6433
0.45	78.0	0.2402	0.5359
0.45	294.0	0.7889	0.6983
0.55	66.0	-0.1662	0.5867
0.55	270.0	0.1689	0.607
0.65	90.0	-0.7576	0.4907
0.65	102.0	1.3118	0.5644
0.65	114.0	-0.7205	0.4982
0.65	258.0	-0.8309	0.4032
0.65	270.0	-0.1887	0.4374
0.65	282.0	-0.076	0.464
0.75	78.0	-0.174	0.5448
0.75	90.0	0.5597	0.5469
0.75	102.0	-0.13	0.4033
0.75	114.0	0.5437	0.4949
0.75	234.0	0.6463	0.6554
0.75	246.0	-0.3414	0.4987
0.75	258.0	0.0017	0.3831
0.75	270.0	-0.2904	0.3825
0.75	282.0	-0.6168	0.3581
0.75	294.0	-0.7402	0.4786
0.85	78.0	1.2573	0.7012
0.85	90.0	-0.0323	0.4261
0.85	102.0	-0.0774	0.3857
0.85	114.0	0.6454	0.4741
0.85	126.0	0.4572	0.4566
0.85	138.0	-0.3085	0.5332
0.85	210.0	-0.6186	0.538
0.85	222.0	-0.4331	0.5514
0.85	234.0	-0.0498	0.4248
0.85	246.0	0.0637	0.4688
0.85	258.0	0.9037	0.4591
0.85	270.0	-0.9029	0.2733
0.85	282.0	-0.0867	0.343
0.85	294.0	0.1108	0.4675
0.95	90.0	-0.1489	0.5373
0.95	102.0	-0.4237	0.4129
0.95	114.0	0.8881	0.4412
0.95	126.0	-0.2525	0.4181
0.95	138.0	-0.3974	0.4134
0.95	150.0	0.2205	0.5539
0.95	162.0	-0.672	0.4972
0.95	210.0	-0.1008	0.5215
0.95	246.0	-0.8101	0.3282
0.95	258.0	0.1158	0.3929
0.95	270.0	0.2018	0.4013
0.95	282.0	0.0392	0.4012
0.95	294.0	-0.8011	0.4176

CLAS Physics Database