Measurement E151M1198

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:	0.0463
Q²:	0.1205 GeV²
W:	1865.0 GeV
E_beam:	2.999 GeV
ε:	0.8064

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.65	282.0	-0.4384	0.8139	0.0439
0.75	102.0	0.1564	0.9696	0.0321
0.75	114.0	-0.4198	0.9022	0.0429
0.75	198.0	-0.1017	0.9345	0.0309
0.75	282.0	-0.3794	0.8524	0.0409
0.85	102.0	-0.2459	0.7279	0.035
0.85	114.0	0.6895	0.9449	0.0586
0.85	126.0	0.8238	1.0235	0.0673
0.85	174.0	0.6615	1.0425	0.0569
0.85	198.0	-1.3921	0.5772	0.1061
0.85	210.0	0.5278	0.8383	0.0489
0.85	222.0	0.1173	0.8164	0.0312

CLAS Physics Database