Measurement E151M447

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:	0.0332
Q²:	0.0496 GeV²
W:	1595.0 GeV
E_beam:	1.3383 GeV
ε:	0.5578

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.55	222.0	-0.2254	0.5366	0.0382
0.65	150.0	-0.1212	0.6072	0.0309
0.65	222.0	-0.2324	0.6127	0.0333
0.75	234.0	0.4003	0.603	0.0389
0.85	138.0	0.4063	0.6899	0.0392
0.85	150.0	0.1749	0.7496	0.0319
0.85	222.0	0.5959	0.6787	0.0476
0.85	234.0	-0.1585	0.7122	0.0316
0.85	246.0	-0.2185	0.6711	0.0329
0.65	234.0	-0.512	0.8738	0.043
0.65	246.0	-0.4595	0.9978	0.0408
0.75	222.0	0.7514	1.2611	0.0543
0.75	234.0	-0.1479	1.021	0.0313
0.85	234.0	1.7551	1.4069	0.1099

CLAS Physics Database