Measurement E151M3313

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_LU
ε_L:	0.2732
Q²:	0.2915 GeV²
W:	1535.0 GeV
E_beam:	2.2596 GeV
ε:	0.8314

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.95	234.0	-0.0104	0.2579	0.03
0.85	114.0	-0.2741	0.2312	0.0305

CLAS Physics Database