Measurement E151M3347

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:	0.1321
Q²:	0.1715 GeV²
W:	1625.0 GeV
E_beam:	2.2596 GeV
ε:	0.8164

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.75	126.0	0.4032	0.2341	0.0311
0.85	246.0	-0.0495	0.2523	0.03
0.75	222.0	0.0897	0.2526	0.0301
0.85	90.0	-0.2403	0.2399	0.0304
0.85	234.0	0.4234	0.2326	0.0312
0.85	246.0	0.2186	0.2577	0.0303

CLAS Physics Database