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	syst. uncert.
0.65	126.0	0.7361	1.0028	0.0612
0.65	138.0	-1.3045	1.3529	0.0992
0.75	102.0	0.2226	1.1074	0.0341
0.75	114.0	-1.0957	1.1552	0.0849
0.75	210.0	-2.2964	0.8595	0.1692
0.75	222.0	-1.7867	0.8906	0.133
0.85	102.0	-1.8512	0.7171	0.1375
0.85	114.0	-1.2964	0.8114	0.0987
0.85	126.0	-1.8238	0.9649	0.1356
0.85	174.0	1.9268	0.9821	0.1429
0.85	186.0	1.2198	0.797	0.0934
0.85	198.0	-0.8111	0.8497	0.066
0.85	210.0	-0.7871	0.9968	0.0645

CLAS Physics Database