Measurement E151M402

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_UL
ε_L:	0.0094
Q²:	0.0084 GeV²
W:	1535.0 GeV
E_beam:	1.3383 GeV
ε:	0.6973

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.55	222.0	-1.1442	0.6398
0.65	234.0	0.4262	1.1897
0.75	222.0	0.0534	0.9739

CLAS Physics Database