Measurement E151M2890

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_LU
ε_L:	0.0285
Q²:	0.0415 GeV²
W:	1595.0 GeV
E_beam:	1.3383 GeV
ε:	0.5656

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.65	222.0	0.0882	0.2636
0.75	162.0	0.0653	0.2713
0.75	234.0	-0.1111	0.2806
0.75	246.0	0.3603	0.2566
0.85	246.0	-0.0159	0.2597
0.55	222.0	-0.7489	0.1795
0.85	222.0	0.2221	0.3891
0.85	234.0	-0.1022	0.3206
0.85	246.0	0.4427	0.314

CLAS Physics Database