Measurement E151M713

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:	0.0283
Q²:	0.0496 GeV²
W:	1715.0 GeV
E_beam:	1.9889 GeV
ε:	0.722

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.35	78.0	-0.4783	0.6561	0.0419
0.35	282.0	0.1848	0.7491	0.0321
0.65	198.0	0.2143	0.7121	0.0327
0.65	282.0	0.8073	0.733	0.0578
0.75	66.0	-0.0848	0.6066	0.0304
0.75	210.0	0.3968	0.6454	0.0386
0.75	270.0	-0.9101	0.4778	0.0632
0.75	282.0	-0.0442	0.7032	0.0301
0.85	114.0	-0.0081	0.5986	0.03
0.85	126.0	-0.0991	0.7228	0.0306
0.85	198.0	0.5972	0.7079	0.0473
0.85	222.0	0.265	0.6723	0.0341

CLAS Physics Database