Measurement E151M84

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:	0.027
Q²:	0.0071 GeV²
W:	1325.0 GeV
E_beam:	1.0539 GeV
ε:	0.8432

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.55	42.0	2.1787	0.8206	0.2497
0.55	222.0	-0.3476	0.7273	0.0496
0.55	234.0	0.2898	0.6692	0.0446
0.55	246.0	-0.6447	0.6207	0.0793
0.65	54.0	-0.4654	0.6301	0.0609
0.65	222.0	-0.7001	0.5604	0.0851
0.65	234.0	0.8801	0.6394	0.1045
0.65	246.0	0.9276	0.6619	0.1097
0.65	258.0	-0.4399	0.6208	0.0584
0.75	222.0	0.7451	0.7845	0.0899
0.75	234.0	0.3703	0.5217	0.0517
0.75	246.0	-0.6911	0.4988	0.0842
0.75	258.0	1.5076	0.6194	0.1741
0.85	222.0	-0.7392	0.6205	0.0893
0.85	234.0	0.9095	0.6264	0.1077
0.85	246.0	0.675	0.5591	0.0824

CLAS Physics Database