Measurement E151M966

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:	1.1084
Q²:	0.496 GeV²
W:	1265.0 GeV
E_beam:	2.999 GeV
ε:	0.938

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.05	66.0	0.475	0.7074
0.15	66.0	-0.5785	0.5441
0.35	282.0	-1.0822	0.4818
0.35	294.0	0.2587	0.7339
0.45	294.0	1.0489	0.6825
0.55	66.0	0.3331	0.7609
0.55	78.0	0.4526	0.7169
0.55	90.0	-0.6272	0.6292
0.55	270.0	-1.1049	0.4224
0.55	282.0	1.8991	0.6418
0.55	294.0	-0.1909	0.5792
0.65	66.0	-0.5076	0.4833
0.65	78.0	-0.0379	0.5864
0.65	102.0	0.2132	0.7894
0.65	270.0	0.1845	0.6111
0.65	282.0	0.5304	0.5977
0.65	294.0	0.482	0.5644
0.75	66.0	-0.589	0.4966
0.75	78.0	-0.2929	0.5131
0.75	90.0	0.5326	0.7196
0.75	102.0	-0.5987	0.5819
0.75	258.0	-0.2726	0.5918
0.75	270.0	-0.2526	0.5565
0.75	282.0	0.6727	0.5796
0.75	294.0	-0.0738	0.5663
0.75	306.0	0.5393	0.6251
0.85	54.0	0.1225	0.6245
0.85	66.0	1.026	0.6528
0.85	78.0	-0.0859	0.5846
0.85	90.0	-0.2265	0.5297
0.85	102.0	0.579	0.6908
0.85	246.0	0.5955	0.7367
0.85	258.0	0.6912	0.7245
0.85	270.0	-0.0258	0.4898
0.85	282.0	1.6946	0.6026
0.85	294.0	0.5171	0.6559
0.85	318.0	0.1377	0.5396
0.95	114.0	0.1267	0.7254
0.95	270.0	-0.1639	0.6087
0.95	282.0	-1.0145	0.4507
0.95	294.0	-0.1474	0.5096

CLAS Physics Database