Measurement E151M913

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:	0.076
Q²:	0.101 GeV²
W:	1655.0 GeV
E_beam:	2.2596 GeV
ε:	0.8204

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.75	294.0	-0.7005	0.8141	0.0713
0.85	102.0	0.5432	1.067	0.0584
0.85	114.0	-1.4462	1.0847	0.1368
0.85	234.0	0.0429	1.1088	0.0303
0.65	114.0	0.3984	0.7209	0.0398
0.75	282.0	0.2972	0.6547	0.0358
0.85	102.0	-0.1343	0.6317	0.0313
0.85	114.0	0.0649	0.7025	0.0303
0.85	210.0	2.8283	2.8283	0.188
0.85	234.0	0.6947	0.7885	0.0546

CLAS Physics Database