Measurement E151M2879

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:	0.0901
Q²:	0.1435 GeV²
W:	1565.0 GeV
E_beam:	1.3383 GeV
ε:	0.5225

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.85	258.0	0.18	0.2834	0.0302
0.55	246.0	0.1542	0.378	0.0302
0.85	246.0	-0.175	0.3422	0.0302

CLAS Physics Database