Measurement E151M2888

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:	0.0207
Q²:	0.0291 GeV²
W:	1595.0 GeV
E_beam:	1.3383 GeV
ε:	0.5777

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.55	222.0	0.1982	0.2746	0.0303
0.75	234.0	-0.2076	0.2505	0.0303
0.85	222.0	0.17	0.2198	0.0302
0.55	234.0	-0.3157	0.3206	0.0307
0.65	234.0	-0.3883	0.3193	0.031
0.75	234.0	-0.6212	0.2557	0.0325
0.85	234.0	0.0896	0.4051	0.0301
0.85	246.0	0.1155	0.4252	0.0301

CLAS Physics Database