Measurement E151M3490

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:	0.5335
Q²:	0.7075 GeV²
W:	1475.0 GeV
E_beam:	2.999 GeV
ε:	0.8588

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.55	90.0	-0.2656	0.2609	0.0305
0.65	114.0	0.2081	0.2531	0.0303
0.65	234.0	-0.0356	0.2915	0.03
0.75	102.0	-0.2314	0.2804	0.0304
0.75	258.0	-0.1518	0.2579	0.0302
0.75	282.0	-0.68	0.2523	0.0329
0.85	246.0	-0.7999	0.1438	0.034
0.85	294.0	0.5415	0.1977	0.0319
0.85	306.0	0.1302	0.2641	0.0301
0.95	282.0	-0.2887	0.2518	0.0306

CLAS Physics Database