Measurement E151M3357

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:	0.076
Q²:	0.101 GeV²
W:	1655.0 GeV
E_beam:	2.2596 GeV
ε:	0.8204

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.75	294.0	0.0616	0.2588
0.85	102.0	-0.1234	0.2133
0.85	114.0	-0.3564	0.236
0.85	234.0	0.1771	0.2598
0.65	114.0	-0.3304	0.2538
0.75	282.0	0.5998	0.2078
0.85	102.0	-0.0332	0.2222
0.85	114.0	-0.0568	0.2349
0.85	210.0	0.1911	0.2442
0.85	234.0	-0.0143	0.2437

CLAS Physics Database