Measurement E151M943

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:	1.3335
Q²:	0.2915 GeV²
W:	1205.0 GeV
E_beam:	2.999 GeV
ε:	0.9677

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.45	282.0	0.7978	0.579
0.55	282.0	0.5907	0.6357
0.55	294.0	0.668	0.5474
0.65	66.0	0.3121	0.6705
0.65	282.0	1.4123	0.533
0.65	294.0	-0.341	0.5086
0.75	66.0	0.3374	0.5313
0.75	78.0	-0.5526	0.4544
0.75	90.0	-0.521	0.5516
0.75	270.0	0.1385	0.6146
0.75	282.0	-0.0575	0.5016
0.75	294.0	-0.1302	0.4882
0.85	54.0	-0.2761	0.5263
0.85	66.0	0.2782	0.5299
0.85	78.0	0.2445	0.542
0.85	90.0	0.8722	0.6281
0.85	102.0	0.6399	0.6193
0.85	294.0	-0.1466	0.5322
0.95	42.0	-0.3483	0.4393
0.95	54.0	-0.3948	0.5116
0.95	66.0	-0.641	0.4431
0.95	78.0	0.0144	0.5605
0.95	90.0	-0.6793	0.468

CLAS Physics Database