Measurement E151M2836

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_LU
ε_L:	0.0436
Q²:	0.0348 GeV²
W:	1505.0 GeV
E_beam:	1.3383 GeV
ε:	0.7173

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.35	30.0	-0.2609	0.2993
0.35	42.0	0.0095	0.218
0.45	18.0	0.3615	0.4222
0.45	30.0	0.1541	0.2368
0.45	42.0	-0.021	0.1864
0.45	150.0	0.058	0.2641
0.45	222.0	0.584	0.2229
0.45	234.0	0.1282	0.2198
0.45	246.0	-0.0118	0.233
0.55	30.0	0.0629	0.4126
0.55	42.0	-0.089	0.2812
0.55	126.0	0.042	0.4057
0.55	138.0	0.3789	0.1749
0.55	150.0	-0.1772	0.2015
0.55	162.0	0.0436	0.2564
0.55	210.0	-0.1721	0.2676
0.55	222.0	-0.2526	0.1677
0.55	234.0	0.1248	0.1826
0.55	246.0	0.0025	0.2016
0.65	126.0	0.0484	0.2029
0.65	138.0	0.1565	0.1478
0.65	150.0	-0.2324	0.1819
0.65	162.0	0.0841	0.2165
0.65	210.0	-0.0907	0.1817
0.65	222.0	0.1808	0.1801
0.65	234.0	0.3773	0.1503
0.65	246.0	0.2443	0.1745
0.75	126.0	0.2275	0.2677
0.75	138.0	-0.0886	0.1706
0.75	150.0	0.0327	0.1766
0.75	162.0	-0.4858	0.3054
0.75	210.0	-0.0997	0.2034
0.75	222.0	-0.6624	0.1036
0.75	234.0	0.1268	0.152
0.75	246.0	-0.0779	0.1793
0.75	258.0	0.046	0.2029
0.85	114.0	0.2371	0.2045
0.85	126.0	-0.2576	0.2392
0.85	210.0	-0.0323	0.1852
0.85	222.0	-0.0581	0.1775
0.85	234.0	-0.01	0.1505
0.85	246.0	-0.0729	0.1566
0.85	258.0	0.0191	0.1841
0.95	222.0	-0.0491	0.2941
0.95	234.0	-0.4909	0.2726
0.95	246.0	-0.2695	0.2599

CLAS Physics Database