Measurement E151M2485

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:	0.0425
Q²:	0.0071 GeV²
W:	1265.0 GeV
E_beam:	1.0539 GeV
ε:	0.8992

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.55	246.0	0.028	0.225	0.03
0.65	234.0	-0.2103	0.25	0.0303
0.65	246.0	-0.17	0.1939	0.0302
0.65	258.0	-0.0721	0.2068	0.03
0.65	270.0	-0.114	0.251	0.0301
0.75	246.0	0.0626	0.19	0.03
0.75	258.0	-0.0656	0.2178	0.03
0.85	246.0	-0.1355	0.2564	0.0301

CLAS Physics Database