Measurement E151M2877

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:	0.063
Q²:	0.0844 GeV²
W:	1565.0 GeV
E_beam:	1.3383 GeV
ε:	0.5786

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.55	162.0	-0.1566	0.2688
0.65	234.0	-0.0653	0.2785
0.75	138.0	0.2478	0.272
0.75	150.0	0.0833	0.2469
0.75	234.0	0.1498	0.2801
0.85	234.0	0.0523	0.2691
0.55	234.0	0.1522	0.3912
0.65	234.0	-0.4258	0.2936
0.85	234.0	-0.5712	0.2278
0.85	258.0	-0.4091	0.3187

CLAS Physics Database