Measurement E151M1283

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_LL
ε_L:	0.0284
Q²:	0.0059 GeV²
W:	1295.0 GeV
E_beam:	1.0539 GeV
ε:	0.8746

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty	syst. uncert.
0.65	246.0	-0.1812	0.6842	0.0363
0.75	234.0	0.7453	0.825	0.0892
0.75	246.0	0.2396	0.6945	0.0404
0.75	258.0	0.5091	0.7045	0.0648

CLAS Physics Database