Measurement E151M3299

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:	0.3095
Q²:	0.2915 GeV²
W:	1505.0 GeV
E_beam:	2.2596 GeV
ε:	0.847

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.75	102.0	-0.0597	0.2462	0.03
0.75	246.0	-0.0277	0.2647	0.03
0.85	66.0	0.1378	0.2465	0.0301
0.85	246.0	0.0865	0.2205	0.03
0.85	270.0	-0.0718	0.2473	0.03
0.65	102.0	0.106	0.2635	0.0301
0.85	270.0	-0.08	0.2451	0.03
0.95	294.0	-0.4659	0.2264	0.0314

CLAS Physics Database