Measurement E151M2132

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:	0.0473
Q²:	0.0593 GeV²
W:	1655.0 GeV
E_beam:	2.2596 GeV
ε:	0.8345

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.45	270.0	0.1802	0.9576
0.45	282.0	0.044	0.5916
0.65	78.0	-1.2855	0.6721
0.65	126.0	0.6769	0.7071
0.65	210.0	0.2916	0.7422
0.75	66.0	-0.2535	0.7059
0.75	210.0	0.6343	0.8691
0.75	222.0	-0.3061	0.8142
0.75	234.0	-0.841	0.8745
0.75	270.0	0.419	0.6031
0.75	282.0	0.0689	0.6896
0.75	294.0	1.0202	0.7191
0.85	102.0	-2.074	0.6872
0.85	114.0	1.1922	0.6468
0.85	198.0	-0.9419	0.9393
0.85	210.0	1.9251	0.7253
0.85	222.0	-1.2323	0.6813
0.55	126.0	-0.6167	1.0673
0.55	270.0	0.5829	0.9225
0.65	198.0	0.023	1.1581
0.65	282.0	0.0624	0.9786
0.75	198.0	0.1013	1.1773
0.75	210.0	-1.0462	1.0611
0.75	222.0	1.6686	1.012
0.75	234.0	-0.4215	1.0584
0.75	270.0	0.1854	0.8232
0.75	282.0	-2.2853	0.7913
0.85	102.0	0.8676	1.3727
0.85	114.0	1.1189	1.1561
0.85	126.0	0.0644	1.2941
0.85	198.0	-0.3363	1.2109
0.85	210.0	0.0872	1.2802
0.85	222.0	-0.898	1.3838
0.85	234.0	1.2535	1.2666

CLAS Physics Database