Measurement E151M3527

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:	0.3973
Q²:	0.7075 GeV²
W:	1565.0 GeV
E_beam:	2.999 GeV
ε:	0.8262

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.85	258.0	0.3574	0.2581
0.85	270.0	0.0168	0.2523
0.85	294.0	0.0904	0.2867

CLAS Physics Database