Measurement E151M662

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:	0.1221
Q²:	0.1435 GeV²
W:	1595.0 GeV
E_beam:	1.9889 GeV
ε:	0.7892

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.65	114.0	-0.814	0.6361
0.65	234.0	0.1812	0.8322
0.65	294.0	-0.7858	0.6004
0.75	114.0	0.9839	0.837
0.75	222.0	0.9976	0.6727
0.75	234.0	2.2232	0.7724
0.75	246.0	1.6864	0.816
0.85	102.0	-0.8538	0.6521
0.85	114.0	-1.2396	0.6531
0.85	222.0	0.574	0.6674
0.85	234.0	-0.1511	0.7132
0.85	246.0	0.7186	0.8096
0.95	222.0	-0.1316	0.6139
0.95	246.0	-0.2825	0.5318
0.95	258.0	-0.572	0.5259

CLAS Physics Database