Measurement E151M2394

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:	0.0354
Q²:	0.0707 GeV²
W:	1805.0 GeV
E_beam:	2.999 GeV
ε:	0.851

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.65	126.0	0.7361	1.0028
0.65	138.0	-1.3045	1.3529
0.75	102.0	0.2226	1.1074
0.75	114.0	-1.0957	1.1552
0.75	210.0	-2.2964	0.8595
0.75	222.0	-1.7867	0.8906
0.85	102.0	-1.8512	0.7171
0.85	114.0	-1.2964	0.8114
0.85	126.0	-1.8238	0.9649
0.85	174.0	1.9268	0.9821
0.85	186.0	1.2198	0.797
0.85	198.0	-0.8111	0.8497
0.85	210.0	-0.7871	0.9968

CLAS Physics Database