Measurement E151M2507

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:	0.0401
Q²:	0.0084 GeV²
W:	1295.0 GeV
E_beam:	1.0539 GeV
ε:	0.8721

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.55	42.0	-0.1516	0.2487	0.0302
0.55	234.0	-0.0175	0.2191	0.03
0.55	246.0	-0.02	0.1698	0.03
0.55	258.0	-0.0183	0.2259	0.03
0.65	162.0	-0.3639	0.2247	0.0309
0.65	222.0	0.3669	0.2372	0.0309
0.65	234.0	-0.2806	0.1707	0.0305
0.65	246.0	0.0664	0.1481	0.03
0.65	258.0	-0.1039	0.1712	0.0301
0.75	150.0	-0.4834	0.2399	0.0315
0.75	222.0	-0.1239	0.2162	0.0301
0.75	234.0	-0.0465	0.1659	0.03
0.75	246.0	0.0534	0.1714	0.03
0.75	258.0	-0.1067	0.1829	0.0301
0.85	222.0	0.2258	0.2111	0.0303
0.85	234.0	0.0976	0.1952	0.0301
0.85	246.0	-0.2531	0.1978	0.0304
0.85	258.0	-0.1178	0.2676	0.0301

CLAS Physics Database