Measurement E151M436

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:	0.0017
Q²:	0.0023 GeV²
W:	1595.0 GeV
E_beam:	1.3383 GeV
ε:	0.6039

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.75	222.0	-0.1579	0.6147	0.0316
0.55	222.0	0.6412	1.2732	0.0489
0.75	210.0	0.8811	1.2491	0.061

CLAS Physics Database