Measurement E151M430

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:	0.0408
Q²:	0.0496 GeV²
W:	1565.0 GeV
E_beam:	1.3383 GeV
ε:	0.6115

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.65	138.0	0.0512	0.7421	0.0302
0.65	150.0	-0.5513	0.7128	0.0454
0.65	222.0	-0.606	0.7068	0.048
0.65	234.0	0.2905	0.703	0.035
0.75	234.0	-0.7872	0.6521	0.0572
0.75	246.0	-0.4344	0.6544	0.0403
0.85	210.0	0.5561	0.7142	0.0457
0.85	222.0	0.7555	0.6891	0.0556
0.85	246.0	0.0928	0.5903	0.0305
0.55	210.0	-0.0852	1.0752	0.0304
0.55	222.0	0.8215	1.2787	0.0579
0.55	234.0	-1.0965	0.702	0.0725
0.65	138.0	0.0656	1.1588	0.0303
0.65	150.0	4.2292	4.2292	0.2564
0.65	222.0	2.4314	1.1755	0.1495
0.65	234.0	0.687	1.2545	0.0511
0.75	234.0	-0.4178	0.7734	0.0392
0.75	246.0	0.8347	0.9936	0.0585
0.85	126.0	-1.1347	0.7446	0.0746
0.85	222.0	-0.1311	0.8687	0.031
0.85	246.0	0.2053	0.9861	0.0324

CLAS Physics Database