Measurement E151M2825

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:	0.1626
Q²:	0.1435 GeV²
W:	1475.0 GeV
E_beam:	1.3383 GeV
ε:	0.666

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.65	126.0	0.2193	0.2539
0.75	258.0	0.1713	0.2748
0.95	270.0	0.1515	0.2647
0.65	234.0	0.0672	0.396
0.75	258.0	0.756	0.1899
0.85	246.0	0.058	0.4032
0.85	258.0	-0.2708	0.2941
0.95	258.0	0.3401	0.333

CLAS Physics Database