Measurement E151M701

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:	0.0449
Q²:	0.0707 GeV²
W:	1685.0 GeV
E_beam:	1.9889 GeV
ε:	0.7423

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.55	222.0	0.0529	0.6069
0.65	138.0	0.5045	0.6316
0.65	222.0	1.6704	0.6431
0.75	198.0	-0.0303	0.541
0.75	210.0	0.6443	0.5848
0.75	222.0	0.646	0.5944
0.75	234.0	0.2785	0.5857
0.75	270.0	0.46	0.5871
0.75	282.0	0.2941	0.5276
0.85	114.0	-0.6804	0.5421
0.85	126.0	-0.0188	0.5764
0.85	222.0	0.9082	0.5815

CLAS Physics Database