Measurement E151M968

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:	1.1135
Q²:	0.7075 GeV²
W:	1265.0 GeV
E_beam:	2.999 GeV
ε:	0.9104

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.45	282.0	0.1609	0.7002	0.0322
0.65	282.0	1.1346	0.7973	0.0882
0.75	258.0	-0.3544	0.6456	0.0396
0.75	270.0	0.7202	0.7761	0.0606
0.75	306.0	0.0608	0.6756	0.0303
0.95	282.0	0.931	0.6873	0.0744

CLAS Physics Database