Measurement E151M544

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:	0.618
Q²:	0.348 GeV²
W:	1355.0 GeV
E_beam:	1.9889 GeV
ε:	0.8569

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.65	102.0	0.6457	0.6721
0.65	270.0	-0.7311	0.5256
0.75	78.0	0.1875	0.663
0.75	90.0	0.5047	0.6815
0.75	102.0	0.1854	0.6188
0.75	294.0	0.7325	0.6679
0.85	90.0	0.3057	0.6942
0.85	102.0	-0.6823	0.4955
0.85	222.0	-0.1852	0.6048
0.85	234.0	0.3783	0.6526
0.85	270.0	1.091	0.6479
0.85	282.0	-0.4247	0.5525
0.85	294.0	0.6684	0.6003
0.95	234.0	-0.8213	0.4906
0.95	294.0	-0.3764	0.5205

CLAS Physics Database