Measurement E151M1637

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:	0.0768
Q²:	0.0844 GeV²
W:	1535.0 GeV
E_beam:	1.3383 GeV
ε:	0.6289

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty	syst. uncert.
0.55	138.0	-0.0297	0.8863	0.0301
0.55	234.0	1.4357	0.8	0.0911
0.65	162.0	-0.6207	0.78	0.0478
0.65	210.0	-0.6795	0.7831	0.0506
0.65	222.0	-1.2366	0.793	0.08
0.65	234.0	-0.1084	0.7634	0.0307
0.65	246.0	0.9652	0.7416	0.0652
0.75	150.0	-0.8096	0.8924	0.057
0.75	210.0	-4.0129	4.0129	0.2424
0.75	222.0	1.9378	0.8122	0.12
0.75	246.0	0.3631	0.7652	0.0371
0.75	258.0	-0.0426	0.8137	0.0301
0.85	234.0	0.2764	0.8914	0.0343
0.85	246.0	1.9227	0.6943	0.1191
0.85	258.0	1.3959	0.615	0.0889
0.95	114.0	0.5749	0.7728	0.0457
0.95	126.0	-0.0041	0.706	0.03
0.45	246.0	-1.0422	1.0514	0.0676
0.55	222.0	-0.6955	1.1846	0.0504
0.55	234.0	-0.0549	1.0828	0.0302
0.55	258.0	-2.2124	0.7886	0.1321
0.65	150.0	0.8195	1.1089	0.0563
0.65	162.0	0.8816	1.217	0.0594
0.65	210.0	1.4847	0.941	0.0914
0.65	222.0	-0.382	1.113	0.0373
0.65	234.0	0.2421	1.0791	0.0331
0.65	246.0	-0.0256	0.9492	0.03
0.75	150.0	0.0027	1.1752	0.03
0.75	222.0	-0.8929	0.9107	0.06
0.75	246.0	0.3362	1.0801	0.0358
0.75	258.0	-0.2105	1.1374	0.0324
0.85	222.0	-0.5247	1.2041	0.0428
0.85	234.0	0.4486	0.9866	0.0398
0.85	246.0	0.1071	0.9012	0.0306
0.85	258.0	1.8	0.6475	0.1089
0.95	234.0	0.2251	0.9854	0.0327

CLAS Physics Database