Measurement E151M3625

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:	0.1299
Q²:	0.348 GeV²
W:	1805.0 GeV
E_beam:	2.999 GeV
ε:	0.7874

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.85	90.0	0.0731	0.2631	0.03
0.85	210.0	-0.3313	0.2697	0.0307
0.95	198.0	-0.3319	0.2662	0.0307
0.95	222.0	0.0126	0.2741	0.03
0.95	246.0	-0.4302	0.2431	0.0312

CLAS Physics Database