Measurement E151M902

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_UL
ε_L:	0.1151
Q²:	0.1435 GeV²
W:	1625.0 GeV
E_beam:	2.2596 GeV
ε:	0.8257

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.85	222.0	0.45	0.8443	0.0512
0.85	234.0	0.0875	0.8317	0.0311
0.65	294.0	-0.3946	0.6192	0.0396
0.75	210.0	0.5509	0.9097	0.047
0.85	102.0	0.3013	0.7696	0.0359
0.85	234.0	0.2315	0.8718	0.0336

CLAS Physics Database