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
0.55	138.0	-0.0297	0.8863
0.55	234.0	1.4357	0.8
0.65	162.0	-0.6207	0.78
0.65	210.0	-0.6795	0.7831
0.65	222.0	-1.2366	0.793
0.65	234.0	-0.1084	0.7634
0.65	246.0	0.9652	0.7416
0.75	150.0	-0.8096	0.8924
0.75	210.0	-4.0129	4.0129
0.75	222.0	1.9378	0.8122
0.75	246.0	0.3631	0.7652
0.75	258.0	-0.0426	0.8137
0.85	234.0	0.2764	0.8914
0.85	246.0	1.9227	0.6943
0.85	258.0	1.3959	0.615
0.95	114.0	0.5749	0.7728
0.95	126.0	-0.0041	0.706
0.45	246.0	-1.0422	1.0514
0.55	222.0	-0.6955	1.1846
0.55	234.0	-0.0549	1.0828
0.55	258.0	-2.2124	0.7886
0.65	150.0	0.8195	1.1089
0.65	162.0	0.8816	1.217
0.65	210.0	1.4847	0.941
0.65	222.0	-0.382	1.113
0.65	234.0	0.2421	1.0791
0.65	246.0	-0.0256	0.9492
0.75	150.0	0.0027	1.1752
0.75	222.0	-0.8929	0.9107
0.75	246.0	0.3362	1.0801
0.75	258.0	-0.2105	1.1374
0.85	222.0	-0.5247	1.2041
0.85	234.0	0.4486	0.9866
0.85	246.0	0.1071	0.9012
0.85	258.0	1.8	0.6475
0.95	234.0	0.2251	0.9854

CLAS Physics Database