Measurement E151M3134

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:	0.0701
Q²:	0.101 GeV²
W:	1655.0 GeV
E_beam:	1.9889 GeV
ε:	0.7568

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.55	222.0	-0.0718	0.2724
0.65	126.0	-0.1483	0.2522
0.65	138.0	0.2841	0.2631
0.65	222.0	0.2643	0.2457
0.65	294.0	0.3243	0.2177
0.75	66.0	-0.1143	0.2717
0.75	138.0	-0.0401	0.2793
0.75	198.0	0.1725	0.2699
0.75	210.0	-0.2294	0.2801
0.75	222.0	-0.0074	0.2591
0.75	234.0	-0.1439	0.2215
0.75	282.0	0.206	0.2499
0.85	102.0	-0.0189	0.2571
0.85	234.0	-0.0716	0.2256
0.95	234.0	-0.5625	0.202

CLAS Physics Database