Measurement E151M182

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:	0.0075
Q²:	0.0059 GeV²
W:	1475.0 GeV
E_beam:	1.0539 GeV
ε:	0.6087

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.35	42.0	-0.3941	0.6545
0.35	54.0	-0.9264	0.5971
0.45	42.0	-0.0467	0.6733
0.45	54.0	-0.2684	0.6092
0.45	246.0	1.7425	0.7429
0.55	210.0	0.7377	0.7646
0.55	234.0	-0.9418	0.6397
0.65	222.0	1.1143	0.6789
0.65	234.0	-0.1041	0.6818
0.65	246.0	-0.832	0.524
0.75	222.0	-0.5381	0.6077
0.75	234.0	0.7836	0.5864
0.75	246.0	0.2901	0.626
0.85	222.0	0.9003	0.7039
0.85	234.0	1.0669	0.6615

CLAS Physics Database