Measurement E151M2922

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:	0.6139
Q²:	0.101 GeV²
W:	1235.0 GeV
E_beam:	1.9889 GeV
ε:	0.9604

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.35	78.0	-0.1221	0.2594
0.45	66.0	0.0234	0.2833
0.45	78.0	-0.0647	0.1782
0.45	282.0	0.2983	0.2514
0.55	78.0	0.1574	0.1929
0.55	270.0	-0.0001	0.2186
0.55	282.0	0.3524	0.1858
0.65	258.0	-0.3341	0.2563
0.65	270.0	-0.0085	0.1787
0.65	282.0	-0.2058	0.1934
0.75	102.0	-0.0498	0.2845
0.75	114.0	0.5962	0.2077
0.75	258.0	-0.2196	0.1924
0.75	270.0	-0.3286	0.1736
0.75	282.0	0.253	0.2643
0.85	90.0	0.0141	0.2401
0.85	102.0	0.1979	0.1789
0.85	114.0	-0.3141	0.1715
0.85	126.0	-0.1717	0.1733
0.85	138.0	0.1712	0.1998
0.85	246.0	0.0542	0.2178
0.85	258.0	-0.1886	0.2217
0.85	270.0	-0.1421	0.2218
0.95	102.0	-0.436	0.186
0.95	114.0	0.2089	0.1878
0.95	126.0	-0.2276	0.2003
0.95	138.0	0.2202	0.2265
0.95	150.0	0.1569	0.1967
0.95	162.0	0.161	0.2444
0.95	174.0	0.0551	0.2377
0.95	186.0	-0.1974	0.2527
0.95	198.0	0.2153	0.2633
0.95	210.0	-0.6096	0.2176
0.95	234.0	-0.2034	0.2774

CLAS Physics Database