Measurement E151M429

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:	0.0349
Q²:	0.0415 GeV²
W:	1565.0 GeV
E_beam:	1.3383 GeV
ε:	0.6191

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.55	222.0	-0.7189	0.8551
0.65	150.0	-1.9549	0.4409
0.65	222.0	0.8336	1.2553
0.65	234.0	1.7962	1.4642
0.65	246.0	0.9744	1.2136
0.75	222.0	2.2162	1.2589
0.75	234.0	1.9397	1.3681
0.75	246.0	-0.6082	1.5315
0.85	222.0	1.9365	1.3307
0.85	234.0	-0.5484	0.6186
0.55	234.0	0.6453	0.7236
0.65	150.0	-1.2102	0.6908
0.65	222.0	-0.3017	0.6881
0.65	234.0	0.2365	0.6719
0.75	234.0	0.7699	0.6465
0.75	246.0	-0.2119	0.6245
0.85	138.0	-1.1825	0.6601
0.85	222.0	-0.6699	0.6248
0.85	246.0	0.4552	0.7021

CLAS Physics Database