Measurement E151M3622

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:	0.0889
Q²:	0.205 GeV²
W:	1805.0 GeV
E_beam:	2.999 GeV
ε:	0.8211

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.85	78.0	0.0298	0.2827
0.85	90.0	-0.2051	0.2415
0.85	102.0	-0.1001	0.2219
0.85	114.0	-0.0544	0.2611
0.85	186.0	0.1025	0.249
0.85	198.0	-0.1845	0.2475
0.85	210.0	-0.2446	0.2024
0.85	222.0	-0.0111	0.2267
0.85	234.0	-0.3198	0.2482
0.95	186.0	0.1658	0.2786
0.95	210.0	0.262	0.2479
0.95	222.0	-0.1719	0.2489
0.95	234.0	0.1957	0.2694

CLAS Physics Database