Measurement E151M2874

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:	0.0408
Q²:	0.0496 GeV²
W:	1565.0 GeV
E_beam:	1.3383 GeV
ε:	0.6115

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.65	138.0	0.4087	0.2539	0.0311
0.65	150.0	0.0847	0.2619	0.03
0.65	222.0	0.2127	0.2648	0.0303
0.65	234.0	-0.0777	0.2634	0.03
0.75	234.0	0.0355	0.2565	0.03
0.75	246.0	-0.5015	0.2287	0.0316
0.85	210.0	-0.1111	0.2766	0.0301
0.85	222.0	0.2875	0.2687	0.0305
0.85	246.0	0.0093	0.2325	0.03
0.55	210.0	0.0575	0.4185	0.03
0.55	222.0	0.1311	0.4085	0.0301
0.55	234.0	-0.0703	0.3849	0.03
0.65	138.0	0.1829	0.3929	0.0302
0.65	150.0	-0.1386	0.3028	0.0301
0.65	222.0	0.1579	0.2936	0.0302
0.65	234.0	-0.8644	0.1818	0.0346
0.75	234.0	-0.7425	0.167	0.0335
0.75	246.0	-0.1905	0.3246	0.0302
0.85	126.0	0.0228	0.387	0.03
0.85	222.0	-0.0355	0.3593	0.03
0.85	246.0	0.3686	0.3604	0.0309

CLAS Physics Database