Measurement E151M3135

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:	0.081
Q²:	0.1205 GeV²
W:	1655.0 GeV
E_beam:	1.9889 GeV
ε:	0.7479

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.65	126.0	0.2055	0.2699	0.0303
0.65	222.0	-0.1762	0.2727	0.0302
0.65	282.0	-0.0274	0.2674	0.03
0.65	294.0	0.1505	0.2541	0.0302
0.75	126.0	0.2106	0.2409	0.0303
0.75	138.0	-0.0206	0.2712	0.03
0.75	222.0	0.2644	0.2474	0.0305
0.75	234.0	0.3699	0.2321	0.0309
0.85	102.0	-0.2318	0.2556	0.0304
0.85	126.0	0.3168	0.2451	0.0307
0.85	210.0	0.4291	0.2275	0.0312
0.85	246.0	0.4265	0.2315	0.0312

CLAS Physics Database