Measurement E151M1633

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:	0.0424
Q²:	0.0415 GeV²
W:	1535.0 GeV
E_beam:	1.3383 GeV
ε:	0.6677

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.55	138.0	0.2083	0.7698
0.55	210.0	-0.7745	0.9439
0.55	222.0	1.2537	0.8639
0.55	234.0	-0.3368	0.8846
0.55	246.0	-0.7236	0.7539
0.65	138.0	-0.1556	0.7905
0.65	150.0	-0.5372	0.7756
0.65	162.0	-0.0055	0.8825
0.65	222.0	-0.1207	0.697
0.65	234.0	0.96	0.6823
0.65	246.0	0.0149	0.9472
0.75	222.0	-1.0598	0.7871
0.75	234.0	-1.386	0.6834
0.75	246.0	-0.9609	0.7265
0.85	126.0	-0.0553	0.9041
0.85	210.0	-1.9331	0.8006
0.85	222.0	-0.2452	0.8181
0.85	234.0	-0.2223	0.7087
0.85	246.0	-0.2734	0.6799
0.45	30.0	0.6733	1.3609
0.45	234.0	-1.1136	1.0327
0.55	126.0	0.652	1.0859
0.55	138.0	-0.7525	1.0355
0.55	210.0	-0.7386	1.0284
0.55	222.0	-0.7507	1.1666
0.55	234.0	0.4871	0.9944
0.55	246.0	-0.0138	0.954
0.65	150.0	0.2246	1.1457
0.65	210.0	1.2882	0.9619
0.65	222.0	-0.4459	1.1194
0.65	234.0	2.4591	2.4591
0.65	246.0	-2.0344	0.6291
0.75	162.0	-1.5027	1.141
0.75	210.0	-0.4444	1.1588
0.75	222.0	0.1866	1.1558
0.75	234.0	-0.7217	0.857
0.75	246.0	-0.8939	1.0766
0.85	210.0	-0.5754	0.9221
0.85	222.0	0.6153	0.8749
0.85	234.0	-1.1587	0.8129
0.85	246.0	-1.3096	0.6886
0.85	258.0	-2.7098	2.7098
0.95	234.0	-0.0365	1.0735
0.95	246.0	-0.9446	0.9326

CLAS Physics Database