Measurement E151M918

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:	0.0254
Q²:	0.0348 GeV²
W:	1685.0 GeV
E_beam:	2.2596 GeV
ε:	0.8226

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.75	210.0	5.8638	5.8638
0.75	270.0	0.5517	0.6579
0.85	210.0	-0.6479	0.6945

CLAS Physics Database