Measurement E151M2382

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_LL
ε_L:	0.0393
Q²:	0.0707 GeV²
W:	1775.0 GeV
E_beam:	2.999 GeV
ε:	0.8655

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.65	138.0	0.5885	1.248
0.75	210.0	-0.4815	1.0612
0.75	222.0	-2.1671	0.8424
0.85	102.0	0.7439	0.9159
0.85	126.0	-0.0533	1.112
0.85	174.0	2.1267	0.8587
0.85	186.0	-1.9462	0.8092
0.85	198.0	-1.105	0.8875
0.85	210.0	-0.8524	0.8532
0.85	222.0	-1.3979	0.7936

CLAS Physics Database