Measurement E151M3335

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:	0.1497
Q²:	0.1715 GeV²
W:	1595.0 GeV
E_beam:	2.2596 GeV
ε:	0.835

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.85	234.0	0.5879	0.1989	0.0322
0.75	126.0	0.0146	0.2412	0.03
0.85	78.0	0.0352	0.2458	0.03
0.85	222.0	-0.0452	0.2496	0.03
0.85	234.0	0.1352	0.2226	0.0301
0.85	246.0	-0.4283	0.2257	0.0312
0.85	258.0	-0.0719	0.2552	0.03
0.95	246.0	-0.3036	0.2252	0.0306
0.95	258.0	-0.2676	0.2135	0.0305

CLAS Physics Database