Measurement E151M2891

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:	0.0332
Q²:	0.0496 GeV²
W:	1595.0 GeV
E_beam:	1.3383 GeV
ε:	0.5578

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.55	222.0	-0.0403	0.2083
0.65	150.0	-0.0928	0.2185
0.65	222.0	0.2255	0.225
0.75	234.0	0.01	0.2292
0.85	138.0	-0.1489	0.258
0.85	150.0	0.2273	0.2771
0.85	222.0	0.1131	0.266
0.85	234.0	-0.0104	0.2789
0.85	246.0	0.1047	0.2637
0.65	234.0	0.0834	0.3893
0.65	246.0	-0.3693	0.3711
0.75	222.0	0.51	0.2805
0.75	234.0	-0.1518	0.4093
0.85	234.0	-0.0605	0.4247

CLAS Physics Database