Measurement E151M3336

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:	0.1704
Q²:	0.205 GeV²
W:	1595.0 GeV
E_beam:	2.2596 GeV
ε:	0.8242

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.85	78.0	0.0263	0.2549	0.03
0.85	90.0	-0.0083	0.2274	0.03
0.85	222.0	-0.0673	0.2512	0.03
0.85	246.0	-0.111	0.233	0.0301
0.85	258.0	-0.0689	0.26	0.03

CLAS Physics Database