Measurement E151M1160

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:	0.0393
Q²:	0.0707 GeV²
W:	1775.0 GeV
E_beam:	2.999 GeV
ε:	0.8655

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.65	138.0	3.8492	3.8492
0.75	210.0	2.4769	0.9696
0.75	222.0	0.0352	0.8589
0.85	102.0	-0.4894	0.7785
0.85	126.0	1.3662	1.0645
0.85	174.0	-1.562	0.7119
0.85	186.0	-0.1321	0.7941
0.85	198.0	-0.6311	0.7208
0.85	210.0	-0.4114	0.6999
0.85	222.0	-0.3994	0.6998

CLAS Physics Database