Measurement E151M702

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:	0.0524
Q²:	0.0844 GeV²
W:	1685.0 GeV
E_beam:	1.9889 GeV
ε:	0.7359

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.45	282.0	1.0858	0.6135	0.0729
0.65	126.0	0.4307	0.7064	0.0399
0.65	198.0	0.1629	0.6582	0.0316
0.65	282.0	0.1529	0.6311	0.0314
0.65	294.0	-0.0041	0.587	0.03
0.75	198.0	-0.6111	0.477	0.0479
0.75	210.0	0.237	0.5518	0.0333
0.75	222.0	-0.5218	0.4627	0.0438
0.75	282.0	-0.3149	0.4556	0.0356
0.85	114.0	0.284	0.5534	0.0347
0.85	234.0	0.4	0.6446	0.0387

CLAS Physics Database