Measurement E151M711

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:	0.0203
Q²:	0.0348 GeV²
W:	1715.0 GeV
E_beam:	1.9889 GeV
ε:	0.7292

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.55	210.0	1.6191	0.7605	0.1035
0.65	210.0	0.4487	0.7343	0.0407
0.75	198.0	1.0451	0.7948	0.0706
0.75	210.0	0.0113	0.6685	0.03
0.75	258.0	-0.2038	0.6967	0.0325
0.75	270.0	-0.2443	0.6481	0.0335
0.75	282.0	0.8314	0.7182	0.059
0.85	126.0	0.5604	0.6755	0.0456
0.85	210.0	-0.2208	0.613	0.0329

CLAS Physics Database