Measurement E151M2970

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:	0.5639
Q²:	0.205 GeV²
W:	1325.0 GeV
E_beam:	1.9889 GeV
ε:	0.9114

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.25	66.0	0.0447	0.2352
0.35	66.0	-0.0091	0.2551
0.35	78.0	-0.0845	0.2291
0.45	78.0	0.2372	0.2646
0.55	270.0	-0.0703	0.2169
0.65	102.0	0.3077	0.2516
0.65	258.0	0.2833	0.2338
0.65	270.0	0.1907	0.2052
0.65	282.0	0.1272	0.2581
0.75	78.0	0.279	0.2093
0.75	90.0	0.0294	0.1991
0.75	102.0	-0.2331	0.1884
0.75	114.0	-0.1025	0.2059
0.75	246.0	-0.0744	0.2091
0.75	258.0	0.3588	0.1919
0.75	270.0	0.0208	0.1988
0.75	282.0	0.0921	0.1947
0.75	294.0	-0.2345	0.2185
0.85	90.0	-0.0687	0.1817
0.85	102.0	0.3979	0.145
0.85	114.0	0.0084	0.1761
0.85	126.0	-0.1625	0.2101
0.85	150.0	0.3178	0.253
0.85	222.0	-0.032	0.2144
0.85	234.0	-0.0248	0.216
0.85	246.0	0.2113	0.2104
0.85	258.0	0.3416	0.1951
0.85	270.0	0.158	0.1922
0.85	282.0	0.3257	0.1723
0.85	294.0	-0.0443	0.1778
0.95	90.0	-0.0724	0.2518
0.95	102.0	0.0069	0.1955
0.95	114.0	-0.2535	0.1868
0.95	126.0	-0.0546	0.2162
0.95	138.0	0.3551	0.2456
0.95	150.0	-0.3246	0.247
0.95	246.0	0.123	0.246
0.95	258.0	-0.1794	0.2097
0.95	270.0	-0.1258	0.1954
0.95	282.0	-0.1347	0.2348
0.95	294.0	-0.1356	0.2118

CLAS Physics Database